diff --git a/src/autofix/fixer.rs b/src/autofix/fixer.rs
index d55e03b00b..04e42573a3 100644
--- a/src/autofix/fixer.rs
+++ b/src/autofix/fixer.rs
@@ -9,7 +9,6 @@ use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::registry::Check;
 use crate::source_code_locator::SourceCodeLocator;
-use crate::violations;
 
 #[derive(Debug, Copy, Clone, Hash)]
 pub enum Mode {
diff --git a/src/checkers/ast.rs b/src/checkers/ast.rs
index 25b912981c..6db1e62872 100644
--- a/src/checkers/ast.rs
+++ b/src/checkers/ast.rs
@@ -30,7 +30,7 @@ use crate::python::builtins::{BUILTINS, MAGIC_GLOBALS};
 use crate::python::future::ALL_FEATURE_NAMES;
 use crate::python::typing;
 use crate::python::typing::SubscriptKind;
-use crate::registry::{Check, CheckCode, CheckKind, DeferralKeyword};
+use crate::registry::{Check, CheckCode, DeferralKeyword};
 use crate::settings::types::PythonVersion;
 use crate::settings::{flags, Settings};
 use crate::source_code_locator::SourceCodeLocator;
diff --git a/src/checkers/imports.rs b/src/checkers/imports.rs
index b2a1d61c0a..11715c195b 100644
--- a/src/checkers/imports.rs
+++ b/src/checkers/imports.rs
@@ -6,12 +6,12 @@ use rustpython_parser::ast::Suite;
 
 use crate::ast::visitor::Visitor;
 use crate::directives::IsortDirectives;
+use crate::isort;
 use crate::isort::track::ImportTracker;
 use crate::registry::Check;
 use crate::settings::{flags, Settings};
 use crate::source_code_locator::SourceCodeLocator;
 use crate::source_code_style::SourceCodeStyleDetector;
-use crate::{isort, violations};
 
 fn check_import_blocks(
     tracker: ImportTracker,
diff --git a/src/checkers/lines.rs b/src/checkers/lines.rs
index 5c5ad7214b..6cd8d5397f 100644
--- a/src/checkers/lines.rs
+++ b/src/checkers/lines.rs
@@ -5,7 +5,6 @@ use crate::pygrep_hooks::plugins::{blanket_noqa, blanket_type_ignore};
 use crate::pyupgrade::checks::unnecessary_coding_comment;
 use crate::registry::{Check, CheckCode};
 use crate::settings::{flags, Settings};
-use crate::violations;
 
 pub fn check_lines(
     contents: &str,
@@ -83,7 +82,6 @@ mod tests {
     use super::check_lines;
     use crate::registry::CheckCode;
     use crate::settings::{flags, Settings};
-    use crate::violations;
 
     #[test]
     fn e501_non_ascii_char() {
diff --git a/src/checkers/tokens.rs b/src/checkers/tokens.rs
index e69bd5ca87..b5d3f4230c 100644
--- a/src/checkers/tokens.rs
+++ b/src/checkers/tokens.rs
@@ -7,9 +7,7 @@ use crate::registry::{Check, CheckCode};
 use crate::ruff::checks::Context;
 use crate::settings::flags;
 use crate::source_code_locator::SourceCodeLocator;
-use crate::{
-    eradicate, flake8_implicit_str_concat, flake8_quotes, pycodestyle, ruff, violations, Settings,
-};
+use crate::{eradicate, flake8_implicit_str_concat, flake8_quotes, pycodestyle, ruff, Settings};
 
 pub fn check_tokens(
     locator: &SourceCodeLocator,
diff --git a/src/cli.rs b/src/cli.rs
index 23bf3a2ad0..4c3a051686 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -4,12 +4,12 @@ use clap::{command, Parser};
 use regex::Regex;
 use rustc_hash::FxHashMap;
 
+use crate::fs;
 use crate::logging::LogLevel;
 use crate::registry::{CheckCode, CheckCodePrefix};
 use crate::settings::types::{
     FilePattern, PatternPrefixPair, PerFileIgnore, PythonVersion, SerializationFormat,
 };
-use crate::{fs, violations};
 
 #[derive(Debug, Parser)]
 #[command(author, about = "Ruff: An extremely fast Python linter.")]
diff --git a/src/commands.rs b/src/commands.rs
index a7160e436b..eb34b9082c 100644
--- a/src/commands.rs
+++ b/src/commands.rs
@@ -22,7 +22,7 @@ use crate::iterators::par_iter;
 use crate::linter::{add_noqa_to_path, lint_path, lint_stdin, Diagnostics};
 use crate::logging::LogLevel;
 use crate::message::Message;
-use crate::registry::{CheckCode, CheckKind};
+use crate::registry::CheckCode;
 use crate::resolver::{FileDiscovery, PyprojectDiscovery};
 use crate::settings::flags;
 use crate::settings::types::SerializationFormat;
diff --git a/src/directives.rs b/src/directives.rs
index 3623008c64..27c9eef777 100644
--- a/src/directives.rs
+++ b/src/directives.rs
@@ -6,7 +6,7 @@ use rustpython_ast::Location;
 use rustpython_parser::lexer::{LexResult, Tok};
 
 use crate::registry::LintSource;
-use crate::{violations, Settings};
+use crate::Settings;
 
 bitflags! {
     pub struct Flags: u32 {
diff --git a/src/eradicate/checks.rs b/src/eradicate/checks.rs
index da7942f3f5..678e73bc84 100644
--- a/src/eradicate/checks.rs
+++ b/src/eradicate/checks.rs
@@ -3,7 +3,7 @@ use rustpython_ast::Location;
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::eradicate::detection::comment_contains_code;
-use crate::registry::{CheckCode, CheckKind};
+use crate::registry::CheckCode;
 use crate::settings::flags;
 use crate::{violations, Check, Settings, SourceCodeLocator};
 
diff --git a/src/eradicate/mod.rs b/src/eradicate/mod.rs
index 7ab7d5d4bc..ba8f7d0bf6 100644
--- a/src/eradicate/mod.rs
+++ b/src/eradicate/mod.rs
@@ -11,7 +11,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{settings, violations};
+    use crate::settings;
 
     #[test_case(CheckCode::ERA001, Path::new("ERA001.py"); "ERA001")]
     fn checks(check_code: CheckCode, path: &Path) -> Result<()> {
diff --git a/src/flake8_2020/mod.rs b/src/flake8_2020/mod.rs
index 726c862181..12d65add56 100644
--- a/src/flake8_2020/mod.rs
+++ b/src/flake8_2020/mod.rs
@@ -10,7 +10,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{settings, violations};
+    use crate::settings;
 
     #[test_case(CheckCode::YTT101, Path::new("YTT101.py"); "YTT101")]
     #[test_case(CheckCode::YTT102, Path::new("YTT102.py"); "YTT102")]
diff --git a/src/flake8_2020/plugins.rs b/src/flake8_2020/plugins.rs
index 7429024696..1c3dc61d04 100644
--- a/src/flake8_2020/plugins.rs
+++ b/src/flake8_2020/plugins.rs
@@ -4,7 +4,7 @@ use rustpython_ast::{Cmpop, Constant, Expr, ExprKind, Located};
 use crate::ast::helpers::match_module_member;
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::violations;
 
 fn is_sys(checker: &Checker, expr: &Expr, target: &str) -> bool {
diff --git a/src/flake8_annotations/mod.rs b/src/flake8_annotations/mod.rs
index a605b3935a..408376bbc7 100644
--- a/src/flake8_annotations/mod.rs
+++ b/src/flake8_annotations/mod.rs
@@ -11,7 +11,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{flake8_annotations, violations, Settings};
+    use crate::{flake8_annotations, Settings};
 
     #[test]
     fn defaults() -> Result<()> {
diff --git a/src/flake8_annotations/plugins.rs b/src/flake8_annotations/plugins.rs
index 3aaee8fe67..0e82759ddf 100644
--- a/src/flake8_annotations/plugins.rs
+++ b/src/flake8_annotations/plugins.rs
@@ -8,7 +8,7 @@ use crate::checkers::ast::Checker;
 use crate::docstrings::definition::{Definition, DefinitionKind};
 use crate::flake8_annotations::fixes;
 use crate::flake8_annotations::helpers::match_function_def;
-use crate::registry::{CheckCode, CheckKind};
+use crate::registry::CheckCode;
 use crate::visibility::Visibility;
 use crate::{violations, visibility, Check};
 
diff --git a/src/flake8_bandit/checks/assert_used.rs b/src/flake8_bandit/checks/assert_used.rs
index 8b19c75c9f..0f540f7b51 100644
--- a/src/flake8_bandit/checks/assert_used.rs
+++ b/src/flake8_bandit/checks/assert_used.rs
@@ -1,7 +1,7 @@
 use rustpython_ast::{Located, StmtKind};
 
 use crate::ast::types::Range;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// S101
diff --git a/src/flake8_bandit/checks/bad_file_permissions.rs b/src/flake8_bandit/checks/bad_file_permissions.rs
index 08119a7aad..5077d4610c 100644
--- a/src/flake8_bandit/checks/bad_file_permissions.rs
+++ b/src/flake8_bandit/checks/bad_file_permissions.rs
@@ -5,7 +5,7 @@ use rustpython_ast::{Constant, Expr, ExprKind, Keyword, Operator};
 
 use crate::ast::helpers::{compose_call_path, match_module_member, SimpleCallArgs};
 use crate::ast::types::Range;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 const WRITE_WORLD: u16 = 0o2;
diff --git a/src/flake8_bandit/checks/exec_used.rs b/src/flake8_bandit/checks/exec_used.rs
index c843f9a976..e92ec22e0b 100644
--- a/src/flake8_bandit/checks/exec_used.rs
+++ b/src/flake8_bandit/checks/exec_used.rs
@@ -1,7 +1,7 @@
 use rustpython_ast::{Expr, ExprKind};
 
 use crate::ast::types::Range;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// S102
diff --git a/src/flake8_bandit/checks/hardcoded_bind_all_interfaces.rs b/src/flake8_bandit/checks/hardcoded_bind_all_interfaces.rs
index 49dc24c86a..093df44d08 100644
--- a/src/flake8_bandit/checks/hardcoded_bind_all_interfaces.rs
+++ b/src/flake8_bandit/checks/hardcoded_bind_all_interfaces.rs
@@ -1,5 +1,5 @@
 use crate::ast::types::Range;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// S104
diff --git a/src/flake8_bandit/checks/hardcoded_password_default.rs b/src/flake8_bandit/checks/hardcoded_password_default.rs
index cbf02e439c..8173dd653e 100644
--- a/src/flake8_bandit/checks/hardcoded_password_default.rs
+++ b/src/flake8_bandit/checks/hardcoded_password_default.rs
@@ -2,7 +2,7 @@ use rustpython_ast::{ArgData, Arguments, Expr, Located};
 
 use crate::ast::types::Range;
 use crate::flake8_bandit::helpers::{matches_password_name, string_literal};
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 fn check_password_kwarg(arg: &Located<ArgData>, default: &Expr) -> Option<Check> {
diff --git a/src/flake8_bandit/checks/hardcoded_password_func_arg.rs b/src/flake8_bandit/checks/hardcoded_password_func_arg.rs
index 9c8b7a6bf1..5f1bfceae7 100644
--- a/src/flake8_bandit/checks/hardcoded_password_func_arg.rs
+++ b/src/flake8_bandit/checks/hardcoded_password_func_arg.rs
@@ -2,7 +2,7 @@ use rustpython_ast::Keyword;
 
 use crate::ast::types::Range;
 use crate::flake8_bandit::helpers::{matches_password_name, string_literal};
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// S106
diff --git a/src/flake8_bandit/checks/hardcoded_password_string.rs b/src/flake8_bandit/checks/hardcoded_password_string.rs
index 0a69503921..b8fb070887 100644
--- a/src/flake8_bandit/checks/hardcoded_password_string.rs
+++ b/src/flake8_bandit/checks/hardcoded_password_string.rs
@@ -2,7 +2,7 @@ use rustpython_ast::{Constant, Expr, ExprKind};
 
 use crate::ast::types::Range;
 use crate::flake8_bandit::helpers::{matches_password_name, string_literal};
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 fn is_password_target(target: &Expr) -> bool {
diff --git a/src/flake8_bandit/checks/hardcoded_tmp_directory.rs b/src/flake8_bandit/checks/hardcoded_tmp_directory.rs
index 901e5dcd78..d744d96ba9 100644
--- a/src/flake8_bandit/checks/hardcoded_tmp_directory.rs
+++ b/src/flake8_bandit/checks/hardcoded_tmp_directory.rs
@@ -1,7 +1,7 @@
 use rustpython_ast::Expr;
 
 use crate::ast::types::Range;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// S108
diff --git a/src/flake8_bandit/checks/hashlib_insecure_hash_functions.rs b/src/flake8_bandit/checks/hashlib_insecure_hash_functions.rs
index 975ffc404c..63f85317e6 100644
--- a/src/flake8_bandit/checks/hashlib_insecure_hash_functions.rs
+++ b/src/flake8_bandit/checks/hashlib_insecure_hash_functions.rs
@@ -4,7 +4,7 @@ use rustpython_ast::{Constant, Expr, ExprKind, Keyword};
 use crate::ast::helpers::{match_module_member, SimpleCallArgs};
 use crate::ast::types::Range;
 use crate::flake8_bandit::helpers::string_literal;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 const WEAK_HASHES: [&str; 4] = ["md4", "md5", "sha", "sha1"];
diff --git a/src/flake8_bandit/checks/request_with_no_cert_validation.rs b/src/flake8_bandit/checks/request_with_no_cert_validation.rs
index a7c1c0a126..9ccb6287fc 100644
--- a/src/flake8_bandit/checks/request_with_no_cert_validation.rs
+++ b/src/flake8_bandit/checks/request_with_no_cert_validation.rs
@@ -4,7 +4,7 @@ use rustpython_parser::ast::Constant;
 
 use crate::ast::helpers::{collect_call_paths, dealias_call_path, match_call_path, SimpleCallArgs};
 use crate::ast::types::Range;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 const REQUESTS_HTTP_VERBS: [&str; 7] = ["get", "options", "head", "post", "put", "patch", "delete"];
diff --git a/src/flake8_bandit/checks/request_without_timeout.rs b/src/flake8_bandit/checks/request_without_timeout.rs
index 252a30c4cd..16d977554a 100644
--- a/src/flake8_bandit/checks/request_without_timeout.rs
+++ b/src/flake8_bandit/checks/request_without_timeout.rs
@@ -4,7 +4,7 @@ use rustpython_parser::ast::Constant;
 
 use crate::ast::helpers::{collect_call_paths, dealias_call_path, match_call_path, SimpleCallArgs};
 use crate::ast::types::Range;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 const HTTP_VERBS: [&str; 7] = ["get", "options", "head", "post", "put", "patch", "delete"];
diff --git a/src/flake8_bandit/checks/unsafe_yaml_load.rs b/src/flake8_bandit/checks/unsafe_yaml_load.rs
index 44c725b08c..94919911d8 100644
--- a/src/flake8_bandit/checks/unsafe_yaml_load.rs
+++ b/src/flake8_bandit/checks/unsafe_yaml_load.rs
@@ -3,7 +3,7 @@ use rustpython_ast::{Expr, ExprKind, Keyword};
 
 use crate::ast::helpers::{match_module_member, SimpleCallArgs};
 use crate::ast::types::Range;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// S506
diff --git a/src/flake8_bandit/mod.rs b/src/flake8_bandit/mod.rs
index f55ac00107..f7ccc5beba 100644
--- a/src/flake8_bandit/mod.rs
+++ b/src/flake8_bandit/mod.rs
@@ -11,7 +11,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{flake8_bandit, violations, Settings};
+    use crate::{flake8_bandit, Settings};
 
     #[test_case(CheckCode::S101, Path::new("S101.py"); "S101")]
     #[test_case(CheckCode::S102, Path::new("S102.py"); "S102")]
diff --git a/src/flake8_blind_except/mod.rs b/src/flake8_blind_except/mod.rs
index fd48692b75..a9ded38787 100644
--- a/src/flake8_blind_except/mod.rs
+++ b/src/flake8_blind_except/mod.rs
@@ -10,7 +10,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{settings, violations};
+    use crate::settings;
 
     #[test_case(CheckCode::BLE001, Path::new("BLE.py"); "BLE001")]
     fn checks(check_code: CheckCode, path: &Path) -> Result<()> {
diff --git a/src/flake8_blind_except/plugins.rs b/src/flake8_blind_except/plugins.rs
index 3fd595f087..e31e541322 100644
--- a/src/flake8_blind_except/plugins.rs
+++ b/src/flake8_blind_except/plugins.rs
@@ -2,7 +2,7 @@ use rustpython_ast::{Expr, ExprKind, Stmt, StmtKind};
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// BLE001
diff --git a/src/flake8_boolean_trap/mod.rs b/src/flake8_boolean_trap/mod.rs
index da482c2335..a067814fa1 100644
--- a/src/flake8_boolean_trap/mod.rs
+++ b/src/flake8_boolean_trap/mod.rs
@@ -10,7 +10,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{settings, violations};
+    use crate::settings;
 
     #[test_case(CheckCode::FBT001, Path::new("FBT.py"); "FBT001")]
     #[test_case(CheckCode::FBT002, Path::new("FBT.py"); "FBT002")]
diff --git a/src/flake8_bugbear/mod.rs b/src/flake8_bugbear/mod.rs
index f868246103..2ca9f309ed 100644
--- a/src/flake8_bugbear/mod.rs
+++ b/src/flake8_bugbear/mod.rs
@@ -10,7 +10,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{flake8_bugbear, violations, Settings};
+    use crate::{flake8_bugbear, Settings};
 
     #[test_case(CheckCode::B002, Path::new("B002.py"); "B002")]
     #[test_case(CheckCode::B003, Path::new("B003.py"); "B003")]
diff --git a/src/flake8_bugbear/plugins/abstract_base_class.rs b/src/flake8_bugbear/plugins/abstract_base_class.rs
index 01a9aa6d41..c00fc60a31 100644
--- a/src/flake8_bugbear/plugins/abstract_base_class.rs
+++ b/src/flake8_bugbear/plugins/abstract_base_class.rs
@@ -4,7 +4,7 @@ use rustpython_ast::{Constant, Expr, ExprKind, Keyword, Stmt, StmtKind};
 use crate::ast::helpers::match_module_member;
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::violations;
 
 fn is_abc_class(
diff --git a/src/flake8_bugbear/plugins/assert_false.rs b/src/flake8_bugbear/plugins/assert_false.rs
index 714a81829a..93fcc02fc4 100644
--- a/src/flake8_bugbear/plugins/assert_false.rs
+++ b/src/flake8_bugbear/plugins/assert_false.rs
@@ -3,7 +3,7 @@ use rustpython_ast::{Constant, Expr, ExprContext, ExprKind, Location, Stmt, Stmt
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::source_code_generator::SourceCodeGenerator;
 use crate::violations;
 
diff --git a/src/flake8_bugbear/plugins/assert_raises_exception.rs b/src/flake8_bugbear/plugins/assert_raises_exception.rs
index 2738f00155..635affbcc4 100644
--- a/src/flake8_bugbear/plugins/assert_raises_exception.rs
+++ b/src/flake8_bugbear/plugins/assert_raises_exception.rs
@@ -3,7 +3,7 @@ use rustpython_ast::{ExprKind, Stmt, Withitem};
 use crate::ast::helpers::match_module_member;
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// B017
diff --git a/src/flake8_bugbear/plugins/assignment_to_os_environ.rs b/src/flake8_bugbear/plugins/assignment_to_os_environ.rs
index 576858d80b..95d814b8fd 100644
--- a/src/flake8_bugbear/plugins/assignment_to_os_environ.rs
+++ b/src/flake8_bugbear/plugins/assignment_to_os_environ.rs
@@ -2,7 +2,7 @@ use rustpython_ast::{Expr, ExprKind};
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// B003
diff --git a/src/flake8_bugbear/plugins/cached_instance_method.rs b/src/flake8_bugbear/plugins/cached_instance_method.rs
index d7478a9f68..86cc21e932 100644
--- a/src/flake8_bugbear/plugins/cached_instance_method.rs
+++ b/src/flake8_bugbear/plugins/cached_instance_method.rs
@@ -3,7 +3,7 @@ use rustpython_ast::{Expr, ExprKind};
 use crate::ast::helpers::{collect_call_paths, dealias_call_path, match_call_path};
 use crate::ast::types::{Range, ScopeKind};
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 fn is_cache_func(checker: &Checker, expr: &Expr) -> bool {
diff --git a/src/flake8_bugbear/plugins/cannot_raise_literal.rs b/src/flake8_bugbear/plugins/cannot_raise_literal.rs
index d42baf0109..55a4adb1cb 100644
--- a/src/flake8_bugbear/plugins/cannot_raise_literal.rs
+++ b/src/flake8_bugbear/plugins/cannot_raise_literal.rs
@@ -2,7 +2,7 @@ use rustpython_ast::{Expr, ExprKind};
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// B016
diff --git a/src/flake8_bugbear/plugins/duplicate_exceptions.rs b/src/flake8_bugbear/plugins/duplicate_exceptions.rs
index ec80d6abab..34d6d8872a 100644
--- a/src/flake8_bugbear/plugins/duplicate_exceptions.rs
+++ b/src/flake8_bugbear/plugins/duplicate_exceptions.rs
@@ -6,7 +6,7 @@ use crate::ast::helpers;
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::source_code_generator::SourceCodeGenerator;
 use crate::violations;
 
diff --git a/src/flake8_bugbear/plugins/f_string_docstring.rs b/src/flake8_bugbear/plugins/f_string_docstring.rs
index 0098942b5e..56ebd1dc23 100644
--- a/src/flake8_bugbear/plugins/f_string_docstring.rs
+++ b/src/flake8_bugbear/plugins/f_string_docstring.rs
@@ -2,7 +2,7 @@ use rustpython_ast::{ExprKind, Stmt, StmtKind};
 
 use crate::ast::helpers;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// B021
diff --git a/src/flake8_bugbear/plugins/function_uses_loop_variable.rs b/src/flake8_bugbear/plugins/function_uses_loop_variable.rs
index 92048beabc..e5d2aa35f8 100644
--- a/src/flake8_bugbear/plugins/function_uses_loop_variable.rs
+++ b/src/flake8_bugbear/plugins/function_uses_loop_variable.rs
@@ -6,7 +6,7 @@ use crate::ast::types::{Node, Range};
 use crate::ast::visitor;
 use crate::ast::visitor::Visitor;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 #[derive(Default)]
diff --git a/src/flake8_bugbear/plugins/getattr_with_constant.rs b/src/flake8_bugbear/plugins/getattr_with_constant.rs
index 3d81842d0c..05c86e2225 100644
--- a/src/flake8_bugbear/plugins/getattr_with_constant.rs
+++ b/src/flake8_bugbear/plugins/getattr_with_constant.rs
@@ -5,7 +5,7 @@ use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
 use crate::python::identifiers::IDENTIFIER_REGEX;
 use crate::python::keyword::KWLIST;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::source_code_generator::SourceCodeGenerator;
 use crate::violations;
 
diff --git a/src/flake8_bugbear/plugins/jump_statement_in_finally.rs b/src/flake8_bugbear/plugins/jump_statement_in_finally.rs
index ce500f2ad7..6715568bae 100644
--- a/src/flake8_bugbear/plugins/jump_statement_in_finally.rs
+++ b/src/flake8_bugbear/plugins/jump_statement_in_finally.rs
@@ -2,7 +2,7 @@ use rustpython_ast::{Stmt, StmtKind};
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 fn walk_stmt(checker: &mut Checker, body: &[Stmt], f: fn(&Stmt) -> bool) {
diff --git a/src/flake8_bugbear/plugins/loop_variable_overrides_iterator.rs b/src/flake8_bugbear/plugins/loop_variable_overrides_iterator.rs
index bf7278b581..f078257abc 100644
--- a/src/flake8_bugbear/plugins/loop_variable_overrides_iterator.rs
+++ b/src/flake8_bugbear/plugins/loop_variable_overrides_iterator.rs
@@ -5,7 +5,7 @@ use crate::ast::types::Range;
 use crate::ast::visitor;
 use crate::ast::visitor::Visitor;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 #[derive(Default)]
diff --git a/src/flake8_bugbear/plugins/mutable_argument_default.rs b/src/flake8_bugbear/plugins/mutable_argument_default.rs
index b4a3e9b0c3..6b2c74ce5f 100644
--- a/src/flake8_bugbear/plugins/mutable_argument_default.rs
+++ b/src/flake8_bugbear/plugins/mutable_argument_default.rs
@@ -4,7 +4,7 @@ use rustpython_ast::{Arguments, Constant, Expr, ExprKind, Operator};
 use crate::ast::helpers::{collect_call_paths, dealias_call_path, match_call_path};
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 const MUTABLE_FUNCS: &[(&str, &str)] = &[
diff --git a/src/flake8_bugbear/plugins/raise_without_from_inside_except.rs b/src/flake8_bugbear/plugins/raise_without_from_inside_except.rs
index a303a00d2b..a1ca215adf 100644
--- a/src/flake8_bugbear/plugins/raise_without_from_inside_except.rs
+++ b/src/flake8_bugbear/plugins/raise_without_from_inside_except.rs
@@ -4,7 +4,7 @@ use crate::ast::types::Range;
 use crate::ast::visitor::Visitor;
 use crate::checkers::ast::Checker;
 use crate::python::string::is_lower;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 struct RaiseVisitor {
diff --git a/src/flake8_bugbear/plugins/redundant_tuple_in_exception_handler.rs b/src/flake8_bugbear/plugins/redundant_tuple_in_exception_handler.rs
index 16db47779c..0661640e10 100644
--- a/src/flake8_bugbear/plugins/redundant_tuple_in_exception_handler.rs
+++ b/src/flake8_bugbear/plugins/redundant_tuple_in_exception_handler.rs
@@ -3,7 +3,7 @@ use rustpython_ast::{Excepthandler, ExcepthandlerKind, ExprKind};
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::source_code_generator::SourceCodeGenerator;
 use crate::violations;
 
diff --git a/src/flake8_bugbear/plugins/setattr_with_constant.rs b/src/flake8_bugbear/plugins/setattr_with_constant.rs
index b6583dfed7..6a06612d76 100644
--- a/src/flake8_bugbear/plugins/setattr_with_constant.rs
+++ b/src/flake8_bugbear/plugins/setattr_with_constant.rs
@@ -5,7 +5,7 @@ use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
 use crate::python::identifiers::IDENTIFIER_REGEX;
 use crate::python::keyword::KWLIST;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::source_code_generator::SourceCodeGenerator;
 use crate::source_code_style::SourceCodeStyleDetector;
 use crate::violations;
diff --git a/src/flake8_bugbear/plugins/star_arg_unpacking_after_keyword_arg.rs b/src/flake8_bugbear/plugins/star_arg_unpacking_after_keyword_arg.rs
index 1c6a4b4d41..286056e90b 100644
--- a/src/flake8_bugbear/plugins/star_arg_unpacking_after_keyword_arg.rs
+++ b/src/flake8_bugbear/plugins/star_arg_unpacking_after_keyword_arg.rs
@@ -2,7 +2,7 @@ use rustpython_ast::{Expr, ExprKind, Keyword};
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// B026
diff --git a/src/flake8_bugbear/plugins/strip_with_multi_characters.rs b/src/flake8_bugbear/plugins/strip_with_multi_characters.rs
index 8e4ed13961..9a59c054db 100644
--- a/src/flake8_bugbear/plugins/strip_with_multi_characters.rs
+++ b/src/flake8_bugbear/plugins/strip_with_multi_characters.rs
@@ -3,7 +3,7 @@ use rustpython_ast::{Constant, Expr, ExprKind};
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// B005
diff --git a/src/flake8_bugbear/plugins/unary_prefix_increment.rs b/src/flake8_bugbear/plugins/unary_prefix_increment.rs
index 099ebabb65..01c247c4a8 100644
--- a/src/flake8_bugbear/plugins/unary_prefix_increment.rs
+++ b/src/flake8_bugbear/plugins/unary_prefix_increment.rs
@@ -2,7 +2,7 @@ use rustpython_ast::{Expr, ExprKind, Unaryop};
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// B002
diff --git a/src/flake8_bugbear/plugins/unreliable_callable_check.rs b/src/flake8_bugbear/plugins/unreliable_callable_check.rs
index 9ce65db10f..96a44ae730 100644
--- a/src/flake8_bugbear/plugins/unreliable_callable_check.rs
+++ b/src/flake8_bugbear/plugins/unreliable_callable_check.rs
@@ -2,7 +2,7 @@ use rustpython_ast::{Constant, Expr, ExprKind};
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// B004
diff --git a/src/flake8_bugbear/plugins/unused_loop_control_variable.rs b/src/flake8_bugbear/plugins/unused_loop_control_variable.rs
index 67d845d842..93120d2b6e 100644
--- a/src/flake8_bugbear/plugins/unused_loop_control_variable.rs
+++ b/src/flake8_bugbear/plugins/unused_loop_control_variable.rs
@@ -6,7 +6,7 @@ use crate::ast::visitor;
 use crate::ast::visitor::Visitor;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// Identify all `ExprKind::Name` nodes in an AST.
diff --git a/src/flake8_bugbear/plugins/useless_comparison.rs b/src/flake8_bugbear/plugins/useless_comparison.rs
index 3fa676ecdb..f3e33aa99b 100644
--- a/src/flake8_bugbear/plugins/useless_comparison.rs
+++ b/src/flake8_bugbear/plugins/useless_comparison.rs
@@ -2,7 +2,7 @@ use rustpython_ast::{Expr, ExprKind};
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 pub fn useless_comparison(checker: &mut Checker, expr: &Expr) {
diff --git a/src/flake8_bugbear/plugins/useless_contextlib_suppress.rs b/src/flake8_bugbear/plugins/useless_contextlib_suppress.rs
index 1d2918a7bc..8ff9d2620f 100644
--- a/src/flake8_bugbear/plugins/useless_contextlib_suppress.rs
+++ b/src/flake8_bugbear/plugins/useless_contextlib_suppress.rs
@@ -3,7 +3,7 @@ use rustpython_ast::Expr;
 use crate::ast::helpers::{collect_call_paths, match_call_path};
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// B005
diff --git a/src/flake8_bugbear/plugins/useless_expression.rs b/src/flake8_bugbear/plugins/useless_expression.rs
index 9acf62d1db..ea9d82cda9 100644
--- a/src/flake8_bugbear/plugins/useless_expression.rs
+++ b/src/flake8_bugbear/plugins/useless_expression.rs
@@ -2,7 +2,7 @@ use rustpython_ast::{Constant, ExprKind, Stmt, StmtKind};
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 // B018
diff --git a/src/flake8_bugbear/plugins/zip_without_explicit_strict.rs b/src/flake8_bugbear/plugins/zip_without_explicit_strict.rs
index 7170196b1b..260212fa4f 100644
--- a/src/flake8_bugbear/plugins/zip_without_explicit_strict.rs
+++ b/src/flake8_bugbear/plugins/zip_without_explicit_strict.rs
@@ -2,7 +2,7 @@ use rustpython_ast::{Expr, ExprKind, Keyword};
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// B905
diff --git a/src/flake8_builtins/mod.rs b/src/flake8_builtins/mod.rs
index 0bab186a11..89f567ca99 100644
--- a/src/flake8_builtins/mod.rs
+++ b/src/flake8_builtins/mod.rs
@@ -11,7 +11,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{settings, violations};
+    use crate::settings;
 
     #[test_case(CheckCode::A001, Path::new("A001.py"); "A001")]
     #[test_case(CheckCode::A002, Path::new("A002.py"); "A002")]
diff --git a/src/flake8_comprehensions/checks.rs b/src/flake8_comprehensions/checks.rs
index 01b862f00a..173ec98090 100644
--- a/src/flake8_comprehensions/checks.rs
+++ b/src/flake8_comprehensions/checks.rs
@@ -6,7 +6,7 @@ use rustpython_ast::{
 
 use crate::ast::types::Range;
 use crate::flake8_comprehensions::fixes;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::source_code_locator::SourceCodeLocator;
 use crate::violations;
 
diff --git a/src/flake8_comprehensions/mod.rs b/src/flake8_comprehensions/mod.rs
index 9efa9a25df..476c7a8d8a 100644
--- a/src/flake8_comprehensions/mod.rs
+++ b/src/flake8_comprehensions/mod.rs
@@ -11,7 +11,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{settings, violations};
+    use crate::settings;
 
     #[test_case(CheckCode::C400, Path::new("C400.py"); "C400")]
     #[test_case(CheckCode::C401, Path::new("C401.py"); "C401")]
diff --git a/src/flake8_datetimez/mod.rs b/src/flake8_datetimez/mod.rs
index 6f93ff116f..5818473ffe 100644
--- a/src/flake8_datetimez/mod.rs
+++ b/src/flake8_datetimez/mod.rs
@@ -10,7 +10,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{settings, violations};
+    use crate::settings;
 
     #[test_case(CheckCode::DTZ001, Path::new("DTZ001.py"); "DTZ001")]
     #[test_case(CheckCode::DTZ002, Path::new("DTZ002.py"); "DTZ002")]
diff --git a/src/flake8_datetimez/plugins.rs b/src/flake8_datetimez/plugins.rs
index 400fdd8b43..80da2f6a72 100644
--- a/src/flake8_datetimez/plugins.rs
+++ b/src/flake8_datetimez/plugins.rs
@@ -5,7 +5,7 @@ use crate::ast::helpers::{
 };
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 pub fn call_datetime_without_tzinfo(
diff --git a/src/flake8_debugger/checks.rs b/src/flake8_debugger/checks.rs
index ac5a3908fb..2f34c8d3e7 100644
--- a/src/flake8_debugger/checks.rs
+++ b/src/flake8_debugger/checks.rs
@@ -4,7 +4,7 @@ use rustpython_ast::{Expr, Stmt};
 use crate::ast::helpers::{collect_call_paths, dealias_call_path, match_call_path};
 use crate::ast::types::Range;
 use crate::flake8_debugger::types::DebuggerUsingType;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 const DEBUGGERS: &[(&str, &str)] = &[
diff --git a/src/flake8_debugger/mod.rs b/src/flake8_debugger/mod.rs
index 1077be6ea7..05c8d29729 100644
--- a/src/flake8_debugger/mod.rs
+++ b/src/flake8_debugger/mod.rs
@@ -11,7 +11,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{settings, violations};
+    use crate::settings;
 
     #[test_case(CheckCode::T100, Path::new("T100.py"); "T100")]
     fn checks(check_code: CheckCode, path: &Path) -> Result<()> {
diff --git a/src/flake8_errmsg/mod.rs b/src/flake8_errmsg/mod.rs
index ced18169fa..f47de47101 100644
--- a/src/flake8_errmsg/mod.rs
+++ b/src/flake8_errmsg/mod.rs
@@ -9,7 +9,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{flake8_errmsg, settings, violations};
+    use crate::{flake8_errmsg, settings};
 
     #[test]
     fn defaults() -> Result<()> {
diff --git a/src/flake8_errmsg/plugins.rs b/src/flake8_errmsg/plugins.rs
index 3e6c7b58d8..d00f306aa4 100644
--- a/src/flake8_errmsg/plugins.rs
+++ b/src/flake8_errmsg/plugins.rs
@@ -2,7 +2,7 @@ use rustpython_ast::{Constant, Expr, ExprKind};
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::violations;
 
 /// EM101, EM102, EM103
diff --git a/src/flake8_implicit_str_concat/checks.rs b/src/flake8_implicit_str_concat/checks.rs
index d2f0727b5a..136627641e 100644
--- a/src/flake8_implicit_str_concat/checks.rs
+++ b/src/flake8_implicit_str_concat/checks.rs
@@ -3,7 +3,7 @@ use rustpython_ast::{Constant, Expr, ExprKind, Location, Operator};
 use rustpython_parser::lexer::{LexResult, Tok};
 
 use crate::ast::types::Range;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::source_code_locator::SourceCodeLocator;
 use crate::violations;
 
diff --git a/src/flake8_implicit_str_concat/mod.rs b/src/flake8_implicit_str_concat/mod.rs
index 0cec6df033..5c0af90c92 100644
--- a/src/flake8_implicit_str_concat/mod.rs
+++ b/src/flake8_implicit_str_concat/mod.rs
@@ -10,7 +10,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{settings, violations};
+    use crate::settings;
 
     #[test_case(CheckCode::ISC001, Path::new("ISC.py"); "ISC001")]
     #[test_case(CheckCode::ISC002, Path::new("ISC.py"); "ISC002")]
diff --git a/src/flake8_import_conventions/checks.rs b/src/flake8_import_conventions/checks.rs
index 9617ac02cb..6577e15e58 100644
--- a/src/flake8_import_conventions/checks.rs
+++ b/src/flake8_import_conventions/checks.rs
@@ -2,7 +2,7 @@ use rustc_hash::FxHashMap;
 use rustpython_ast::Stmt;
 
 use crate::ast::types::Range;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// ICN001
diff --git a/src/flake8_import_conventions/mod.rs b/src/flake8_import_conventions/mod.rs
index 37839319eb..b51aec7794 100644
--- a/src/flake8_import_conventions/mod.rs
+++ b/src/flake8_import_conventions/mod.rs
@@ -11,7 +11,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{flake8_import_conventions, violations, Settings};
+    use crate::{flake8_import_conventions, Settings};
 
     #[test]
     fn defaults() -> Result<()> {
diff --git a/src/flake8_pie/mod.rs b/src/flake8_pie/mod.rs
index d66d4241fe..d917732a6e 100644
--- a/src/flake8_pie/mod.rs
+++ b/src/flake8_pie/mod.rs
@@ -10,7 +10,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{settings, violations};
+    use crate::settings;
 
     #[test_case(CheckCode::PIE790, Path::new("PIE790.py"); "PIE790")]
     #[test_case(CheckCode::PIE794, Path::new("PIE794.py"); "PIE794")]
diff --git a/src/flake8_pie/plugins.rs b/src/flake8_pie/plugins.rs
index 6562d8d0fc..06029d5098 100644
--- a/src/flake8_pie/plugins.rs
+++ b/src/flake8_pie/plugins.rs
@@ -6,7 +6,7 @@ use crate::ast::types::Range;
 use crate::autofix::helpers::delete_stmt;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::violations;
 
 /// PIE790
diff --git a/src/flake8_print/mod.rs b/src/flake8_print/mod.rs
index bca4b4da08..228d414cd7 100644
--- a/src/flake8_print/mod.rs
+++ b/src/flake8_print/mod.rs
@@ -10,7 +10,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{settings, violations};
+    use crate::settings;
 
     #[test_case(CheckCode::T201, Path::new("T201.py"); "T201")]
     #[test_case(CheckCode::T203, Path::new("T203.py"); "T203")]
diff --git a/src/flake8_print/plugins/print_call.rs b/src/flake8_print/plugins/print_call.rs
index 206255445a..df50a0f945 100644
--- a/src/flake8_print/plugins/print_call.rs
+++ b/src/flake8_print/plugins/print_call.rs
@@ -5,7 +5,7 @@ use crate::ast::helpers::{collect_call_paths, dealias_call_path, is_const_none,
 use crate::ast::types::Range;
 use crate::autofix::helpers;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// T201, T203
diff --git a/src/flake8_pytest_style/mod.rs b/src/flake8_pytest_style/mod.rs
index bab8fd877d..a56922899e 100644
--- a/src/flake8_pytest_style/mod.rs
+++ b/src/flake8_pytest_style/mod.rs
@@ -13,7 +13,7 @@ mod tests {
     use crate::flake8_pytest_style::types;
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{settings, violations};
+    use crate::settings;
 
     #[test_case(CheckCode::PT001, Path::new("PT001.py"), Settings::default(), "PT001_default"; "PT001_0")]
     #[test_case(
diff --git a/src/flake8_pytest_style/plugins/assertion.rs b/src/flake8_pytest_style/plugins/assertion.rs
index 28dcec732a..c472bc61c1 100644
--- a/src/flake8_pytest_style/plugins/assertion.rs
+++ b/src/flake8_pytest_style/plugins/assertion.rs
@@ -10,7 +10,7 @@ use crate::ast::visitor;
 use crate::ast::visitor::Visitor;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// Visitor that tracks assert statements and checks if they reference
diff --git a/src/flake8_pytest_style/plugins/fail.rs b/src/flake8_pytest_style/plugins/fail.rs
index 8234ecc404..0e2a161c45 100644
--- a/src/flake8_pytest_style/plugins/fail.rs
+++ b/src/flake8_pytest_style/plugins/fail.rs
@@ -4,7 +4,7 @@ use super::helpers::{is_empty_or_null_string, is_pytest_fail};
 use crate::ast::helpers::SimpleCallArgs;
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 pub fn fail_call(checker: &mut Checker, call: &Expr, args: &[Expr], keywords: &[Keyword]) {
diff --git a/src/flake8_pytest_style/plugins/fixture.rs b/src/flake8_pytest_style/plugins/fixture.rs
index bbf90c0cef..cc5f94fd2f 100644
--- a/src/flake8_pytest_style/plugins/fixture.rs
+++ b/src/flake8_pytest_style/plugins/fixture.rs
@@ -10,7 +10,7 @@ use crate::ast::visitor;
 use crate::ast::visitor::Visitor;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::violations;
 
 #[derive(Default)]
diff --git a/src/flake8_pytest_style/plugins/imports.rs b/src/flake8_pytest_style/plugins/imports.rs
index 5ddd982d3f..b75fe22236 100644
--- a/src/flake8_pytest_style/plugins/imports.rs
+++ b/src/flake8_pytest_style/plugins/imports.rs
@@ -1,7 +1,7 @@
 use rustpython_ast::Stmt;
 
 use crate::ast::types::Range;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 fn is_pytest_or_subpackage(imported_name: &str) -> bool {
diff --git a/src/flake8_pytest_style/plugins/marks.rs b/src/flake8_pytest_style/plugins/marks.rs
index cbf8e0097e..c30e53f234 100644
--- a/src/flake8_pytest_style/plugins/marks.rs
+++ b/src/flake8_pytest_style/plugins/marks.rs
@@ -4,7 +4,7 @@ use super::helpers::{get_mark_decorators, get_mark_name};
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::violations;
 
 fn pytest_mark_parentheses(
diff --git a/src/flake8_pytest_style/plugins/parametrize.rs b/src/flake8_pytest_style/plugins/parametrize.rs
index 5ed3005a2d..aff862808e 100644
--- a/src/flake8_pytest_style/plugins/parametrize.rs
+++ b/src/flake8_pytest_style/plugins/parametrize.rs
@@ -6,7 +6,7 @@ use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
 use crate::flake8_pytest_style::types;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::source_code_generator::SourceCodeGenerator;
 use crate::violations;
 
diff --git a/src/flake8_pytest_style/plugins/patch.rs b/src/flake8_pytest_style/plugins/patch.rs
index a30af0477d..58b6f07c3a 100644
--- a/src/flake8_pytest_style/plugins/patch.rs
+++ b/src/flake8_pytest_style/plugins/patch.rs
@@ -5,7 +5,7 @@ use crate::ast::helpers::{collect_arg_names, compose_call_path, SimpleCallArgs};
 use crate::ast::types::Range;
 use crate::ast::visitor;
 use crate::ast::visitor::Visitor;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 const PATCH_NAMES: &[&str] = &[
diff --git a/src/flake8_pytest_style/plugins/raises.rs b/src/flake8_pytest_style/plugins/raises.rs
index f3d452cbb6..77d89a3a97 100644
--- a/src/flake8_pytest_style/plugins/raises.rs
+++ b/src/flake8_pytest_style/plugins/raises.rs
@@ -8,7 +8,7 @@ use crate::ast::helpers::{
 };
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::violations;
 
 fn is_pytest_raises(
diff --git a/src/flake8_quotes/checks.rs b/src/flake8_quotes/checks.rs
index 9c54aea444..5d1910296e 100644
--- a/src/flake8_quotes/checks.rs
+++ b/src/flake8_quotes/checks.rs
@@ -2,7 +2,7 @@ use rustpython_ast::Location;
 
 use crate::ast::types::Range;
 use crate::flake8_quotes::settings::{Quote, Settings};
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::source_code_locator::SourceCodeLocator;
 use crate::violations;
 
diff --git a/src/flake8_quotes/mod.rs b/src/flake8_quotes/mod.rs
index f12cb63ffe..7eba2bcae9 100644
--- a/src/flake8_quotes/mod.rs
+++ b/src/flake8_quotes/mod.rs
@@ -11,7 +11,7 @@ mod tests {
     use crate::flake8_quotes::settings::Quote;
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{flake8_quotes, violations, Settings};
+    use crate::{flake8_quotes, Settings};
 
     #[test_case(Path::new("doubles.py"))]
     #[test_case(Path::new("doubles_escaped.py"))]
diff --git a/src/flake8_return/mod.rs b/src/flake8_return/mod.rs
index 4bd9750a2d..bbc91b72af 100644
--- a/src/flake8_return/mod.rs
+++ b/src/flake8_return/mod.rs
@@ -11,7 +11,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{violations, Settings};
+    use crate::Settings;
 
     #[test_case(CheckCode::RET501, Path::new("RET501.py"); "RET501")]
     #[test_case(CheckCode::RET502, Path::new("RET502.py"); "RET502")]
diff --git a/src/flake8_return/plugins.rs b/src/flake8_return/plugins.rs
index a237c25150..3f2adad95a 100644
--- a/src/flake8_return/plugins.rs
+++ b/src/flake8_return/plugins.rs
@@ -8,7 +8,7 @@ use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
 use crate::flake8_return::helpers::result_exists;
 use crate::flake8_return::visitor::{ReturnVisitor, Stack};
-use crate::registry::{Branch, CheckCode, CheckKind};
+use crate::registry::{Branch, CheckCode};
 use crate::{violations, Check};
 
 /// RET501
diff --git a/src/flake8_simplify/mod.rs b/src/flake8_simplify/mod.rs
index 69300f5b4e..ea5f7e60d7 100644
--- a/src/flake8_simplify/mod.rs
+++ b/src/flake8_simplify/mod.rs
@@ -10,7 +10,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{settings, violations};
+    use crate::settings;
 
     #[test_case(CheckCode::SIM101, Path::new("SIM101.py"); "SIM101")]
     #[test_case(CheckCode::SIM102, Path::new("SIM102.py"); "SIM102")]
diff --git a/src/flake8_simplify/plugins/ast_bool_op.rs b/src/flake8_simplify/plugins/ast_bool_op.rs
index d628aa616c..d98b6d8e96 100644
--- a/src/flake8_simplify/plugins/ast_bool_op.rs
+++ b/src/flake8_simplify/plugins/ast_bool_op.rs
@@ -9,7 +9,7 @@ use crate::ast::helpers::{create_expr, unparse_expr};
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::violations;
 
 /// Return `true` if two `Expr` instances are equivalent names.
diff --git a/src/flake8_simplify/plugins/ast_for.rs b/src/flake8_simplify/plugins/ast_for.rs
index c17510fce5..8de02716ed 100644
--- a/src/flake8_simplify/plugins/ast_for.rs
+++ b/src/flake8_simplify/plugins/ast_for.rs
@@ -6,7 +6,7 @@ use crate::ast::helpers::{create_expr, create_stmt};
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::source_code_generator::SourceCodeGenerator;
 use crate::source_code_style::SourceCodeStyleDetector;
 use crate::violations;
diff --git a/src/flake8_simplify/plugins/ast_if.rs b/src/flake8_simplify/plugins/ast_if.rs
index 631a506c89..a39528228e 100644
--- a/src/flake8_simplify/plugins/ast_if.rs
+++ b/src/flake8_simplify/plugins/ast_if.rs
@@ -4,7 +4,7 @@ use crate::ast::helpers::{create_expr, create_stmt, unparse_expr, unparse_stmt};
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::violations;
 
 fn is_main_check(expr: &Expr) -> bool {
diff --git a/src/flake8_simplify/plugins/ast_with.rs b/src/flake8_simplify/plugins/ast_with.rs
index d5cbf4c5b4..987056c501 100644
--- a/src/flake8_simplify/plugins/ast_with.rs
+++ b/src/flake8_simplify/plugins/ast_with.rs
@@ -2,7 +2,7 @@ use rustpython_ast::{Stmt, StmtKind};
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// SIM117
diff --git a/src/flake8_simplify/plugins/key_in_dict.rs b/src/flake8_simplify/plugins/key_in_dict.rs
index 52772119a2..b5e71cce51 100644
--- a/src/flake8_simplify/plugins/key_in_dict.rs
+++ b/src/flake8_simplify/plugins/key_in_dict.rs
@@ -3,7 +3,7 @@ use rustpython_ast::{Cmpop, Expr, ExprKind};
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// SIM118
diff --git a/src/flake8_simplify/plugins/return_in_try_except_finally.rs b/src/flake8_simplify/plugins/return_in_try_except_finally.rs
index 725526253d..50e96a09b5 100644
--- a/src/flake8_simplify/plugins/return_in_try_except_finally.rs
+++ b/src/flake8_simplify/plugins/return_in_try_except_finally.rs
@@ -2,7 +2,7 @@ use rustpython_ast::{Excepthandler, ExcepthandlerKind, Stmt, StmtKind};
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 fn find_return(stmts: &[Stmt]) -> Option<&Stmt> {
diff --git a/src/flake8_simplify/plugins/unary_ops.rs b/src/flake8_simplify/plugins/unary_ops.rs
index a0b1c9244c..6509d1fa21 100644
--- a/src/flake8_simplify/plugins/unary_ops.rs
+++ b/src/flake8_simplify/plugins/unary_ops.rs
@@ -4,7 +4,7 @@ use crate::ast::helpers::{create_expr, unparse_expr};
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 fn is_exception_check(stmt: &Stmt) -> bool {
diff --git a/src/flake8_simplify/plugins/use_contextlib_suppress.rs b/src/flake8_simplify/plugins/use_contextlib_suppress.rs
index 130be2590e..1f7180c38f 100644
--- a/src/flake8_simplify/plugins/use_contextlib_suppress.rs
+++ b/src/flake8_simplify/plugins/use_contextlib_suppress.rs
@@ -3,7 +3,7 @@ use rustpython_ast::{Excepthandler, ExcepthandlerKind, Stmt, StmtKind};
 use crate::ast::helpers;
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// SIM105
diff --git a/src/flake8_simplify/plugins/yoda_conditions.rs b/src/flake8_simplify/plugins/yoda_conditions.rs
index f54047ce75..c142997ed0 100644
--- a/src/flake8_simplify/plugins/yoda_conditions.rs
+++ b/src/flake8_simplify/plugins/yoda_conditions.rs
@@ -3,7 +3,7 @@ use rustpython_ast::{Cmpop, Expr, ExprKind};
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// SIM300
diff --git a/src/flake8_tidy_imports/checks.rs b/src/flake8_tidy_imports/checks.rs
index 9bb16e29bc..7ad61d229a 100644
--- a/src/flake8_tidy_imports/checks.rs
+++ b/src/flake8_tidy_imports/checks.rs
@@ -6,7 +6,7 @@ use crate::ast::helpers::match_call_path;
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
 use crate::flake8_tidy_imports::settings::Strictness;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// TID252
diff --git a/src/flake8_tidy_imports/mod.rs b/src/flake8_tidy_imports/mod.rs
index 83c11b26f6..049f2f36e1 100644
--- a/src/flake8_tidy_imports/mod.rs
+++ b/src/flake8_tidy_imports/mod.rs
@@ -11,7 +11,7 @@ mod tests {
     use crate::flake8_tidy_imports::settings::{BannedApi, Strictness};
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{flake8_tidy_imports, violations, Settings};
+    use crate::{flake8_tidy_imports, Settings};
 
     #[test]
     fn ban_parent_imports() -> Result<()> {
diff --git a/src/flake8_unused_arguments/mod.rs b/src/flake8_unused_arguments/mod.rs
index 8a4702ae6c..eb9ef4d27c 100644
--- a/src/flake8_unused_arguments/mod.rs
+++ b/src/flake8_unused_arguments/mod.rs
@@ -13,7 +13,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{flake8_unused_arguments, settings, violations};
+    use crate::{flake8_unused_arguments, settings};
 
     #[test_case(CheckCode::ARG001, Path::new("ARG.py"); "ARG001")]
     #[test_case(CheckCode::ARG002, Path::new("ARG.py"); "ARG002")]
diff --git a/src/fs.rs b/src/fs.rs
index 79ab2ce8ac..74c0fb3a86 100644
--- a/src/fs.rs
+++ b/src/fs.rs
@@ -9,7 +9,6 @@ use path_absolutize::{path_dedot, Absolutize};
 use rustc_hash::FxHashSet;
 
 use crate::registry::CheckCode;
-use crate::violations;
 
 /// Extract the absolute path and basename (as strings) from a Path.
 pub fn extract_path_names(path: &Path) -> Result<(&str, &str)> {
diff --git a/src/isort/mod.rs b/src/isort/mod.rs
index 10287d4500..ebcff2c24c 100644
--- a/src/isort/mod.rs
+++ b/src/isort/mod.rs
@@ -634,7 +634,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{isort, violations, Settings};
+    use crate::{isort, Settings};
 
     #[test_case(Path::new("add_newline_before_comments.py"))]
     #[test_case(Path::new("combine_as_imports.py"))]
diff --git a/src/isort/plugins.rs b/src/isort/plugins.rs
index 9466286e1c..af3bf0a9c6 100644
--- a/src/isort/plugins.rs
+++ b/src/isort/plugins.rs
@@ -11,7 +11,6 @@ use crate::ast::whitespace::leading_space;
 use crate::autofix::Fix;
 use crate::isort::track::Block;
 use crate::isort::{comments, format_imports};
-use crate::registry::CheckKind;
 use crate::settings::flags;
 use crate::source_code_style::SourceCodeStyleDetector;
 use crate::{violations, Check, Settings, SourceCodeLocator};
diff --git a/src/lib_native.rs b/src/lib_native.rs
index d35f45090c..d7afd8f886 100644
--- a/src/lib_native.rs
+++ b/src/lib_native.rs
@@ -12,7 +12,7 @@ use crate::settings::configuration::Configuration;
 use crate::settings::{flags, pyproject, Settings};
 use crate::source_code_locator::SourceCodeLocator;
 use crate::source_code_style::SourceCodeStyleDetector;
-use crate::{directives, packages, resolver, violations};
+use crate::{directives, packages, resolver};
 
 /// Load the relevant `Settings` for a given `Path`.
 fn resolve(path: &Path) -> Result<Settings> {
diff --git a/src/linter.rs b/src/linter.rs
index ae6bce6b3d..ba13899dc9 100644
--- a/src/linter.rs
+++ b/src/linter.rs
@@ -21,7 +21,7 @@ use crate::checkers::tokens::check_tokens;
 use crate::directives::Directives;
 use crate::message::{Message, Source};
 use crate::noqa::add_noqa;
-use crate::registry::{Check, CheckCode, CheckKind, LintSource};
+use crate::registry::{Check, CheckCode, LintSource};
 use crate::settings::{flags, Settings};
 use crate::source_code_locator::SourceCodeLocator;
 use crate::source_code_style::SourceCodeStyleDetector;
diff --git a/src/mccabe/checks.rs b/src/mccabe/checks.rs
index 54584ac79d..723fef5b37 100644
--- a/src/mccabe/checks.rs
+++ b/src/mccabe/checks.rs
@@ -1,7 +1,7 @@
 use rustpython_ast::{ExcepthandlerKind, ExprKind, Stmt, StmtKind};
 
 use crate::ast::helpers::identifier_range;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::source_code_locator::SourceCodeLocator;
 use crate::violations;
 
diff --git a/src/mccabe/mod.rs b/src/mccabe/mod.rs
index 4c45fde090..fa8a5e8feb 100644
--- a/src/mccabe/mod.rs
+++ b/src/mccabe/mod.rs
@@ -10,7 +10,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{mccabe, violations, Settings};
+    use crate::{mccabe, Settings};
 
     #[test_case(0)]
     #[test_case(3)]
diff --git a/src/message.rs b/src/message.rs
index 144eb30f05..993618af62 100644
--- a/src/message.rs
+++ b/src/message.rs
@@ -7,7 +7,6 @@ use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::registry::{Check, CheckKind};
 use crate::source_code_locator::SourceCodeLocator;
-use crate::violations;
 
 #[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
 pub struct Message {
diff --git a/src/noqa.rs b/src/noqa.rs
index 7ed2582801..7ea2700cd8 100644
--- a/src/noqa.rs
+++ b/src/noqa.rs
@@ -10,7 +10,6 @@ use rustc_hash::{FxHashMap, FxHashSet};
 
 use crate::registry::{Check, CheckCode, CODE_REDIRECTS};
 use crate::source_code_style::LineEnding;
-use crate::violations;
 
 static NOQA_LINE_REGEX: Lazy<Regex> = Lazy::new(|| {
     Regex::new(
@@ -214,7 +213,7 @@ mod tests {
 
     use crate::ast::types::Range;
     use crate::noqa::{add_noqa_inner, NOQA_LINE_REGEX};
-    use crate::registry::{Check, CheckKind};
+    use crate::registry::Check;
     use crate::source_code_style::LineEnding;
     use crate::violations;
 
diff --git a/src/pandas_vet/checks.rs b/src/pandas_vet/checks.rs
index e42d4ac1d8..2a22b552fa 100644
--- a/src/pandas_vet/checks.rs
+++ b/src/pandas_vet/checks.rs
@@ -1,7 +1,7 @@
 use rustpython_ast::{Constant, Expr, ExprKind, Keyword};
 
 use crate::ast::types::Range;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// PD002
diff --git a/src/pandas_vet/mod.rs b/src/pandas_vet/mod.rs
index 7d79de79b9..9673957721 100644
--- a/src/pandas_vet/mod.rs
+++ b/src/pandas_vet/mod.rs
@@ -15,7 +15,7 @@ mod tests {
     use crate::settings::flags;
     use crate::source_code_locator::SourceCodeLocator;
     use crate::source_code_style::SourceCodeStyleDetector;
-    use crate::{directives, rustpython_helpers, settings, violations};
+    use crate::{directives, rustpython_helpers, settings};
 
     fn check_code(contents: &str, expected: &[CheckCode]) -> Result<()> {
         let contents = dedent(contents);
diff --git a/src/pep8_naming/checks.rs b/src/pep8_naming/checks.rs
index ec23d030ea..15035f987d 100644
--- a/src/pep8_naming/checks.rs
+++ b/src/pep8_naming/checks.rs
@@ -7,7 +7,7 @@ use crate::ast::types::{Range, Scope, ScopeKind};
 use crate::pep8_naming::helpers;
 use crate::pep8_naming::settings::Settings;
 use crate::python::string::{self};
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::source_code_locator::SourceCodeLocator;
 use crate::violations;
 
diff --git a/src/pep8_naming/mod.rs b/src/pep8_naming/mod.rs
index bfcf252eb6..3fe6c8ac51 100644
--- a/src/pep8_naming/mod.rs
+++ b/src/pep8_naming/mod.rs
@@ -13,7 +13,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{settings, violations};
+    use crate::settings;
 
     #[test_case(CheckCode::N801, Path::new("N801.py"); "N801")]
     #[test_case(CheckCode::N802, Path::new("N802.py"); "N802")]
diff --git a/src/pep8_naming/plugins.rs b/src/pep8_naming/plugins.rs
index 9543619af1..9735378d6f 100644
--- a/src/pep8_naming/plugins.rs
+++ b/src/pep8_naming/plugins.rs
@@ -3,7 +3,6 @@ use rustpython_ast::{Expr, Stmt};
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
 use crate::pep8_naming::helpers;
-use crate::registry::CheckKind;
 use crate::{violations, Check};
 
 /// N806
diff --git a/src/printer.rs b/src/printer.rs
index 00099dc80a..af7f1cc762 100644
--- a/src/printer.rs
+++ b/src/printer.rs
@@ -17,7 +17,7 @@ use crate::logging::LogLevel;
 use crate::message::Message;
 use crate::registry::CheckCode;
 use crate::settings::types::SerializationFormat;
-use crate::{tell_user, violations};
+use crate::tell_user;
 
 /// Enum to control whether lint violations are shown to the user.
 pub enum Violations {
diff --git a/src/pycodestyle/checks.rs b/src/pycodestyle/checks.rs
index d9a27aff62..59caea4356 100644
--- a/src/pycodestyle/checks.rs
+++ b/src/pycodestyle/checks.rs
@@ -7,7 +7,7 @@ use rustpython_parser::ast::{Cmpop, Expr, ExprKind};
 use crate::ast::helpers::except_range;
 use crate::ast::types::Range;
 use crate::autofix::Fix;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::settings::Settings;
 use crate::source_code_locator::SourceCodeLocator;
 use crate::violations;
diff --git a/src/pycodestyle/mod.rs b/src/pycodestyle/mod.rs
index c10657a1b9..49ee8db613 100644
--- a/src/pycodestyle/mod.rs
+++ b/src/pycodestyle/mod.rs
@@ -13,7 +13,7 @@ mod tests {
     use super::settings::Settings;
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{settings, violations};
+    use crate::settings;
 
     #[test_case(CheckCode::E401, Path::new("E40.py"))]
     #[test_case(CheckCode::E402, Path::new("E40.py"))]
diff --git a/src/pycodestyle/plugins.rs b/src/pycodestyle/plugins.rs
index 5f90fb4ac6..e00bad737b 100644
--- a/src/pycodestyle/plugins.rs
+++ b/src/pycodestyle/plugins.rs
@@ -11,7 +11,7 @@ use crate::ast::types::Range;
 use crate::ast::whitespace::leading_space;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::source_code_generator::SourceCodeGenerator;
 use crate::source_code_style::SourceCodeStyleDetector;
 use crate::violations;
diff --git a/src/pydocstyle/mod.rs b/src/pydocstyle/mod.rs
index eb4f5b0024..b8c0842d9f 100644
--- a/src/pydocstyle/mod.rs
+++ b/src/pydocstyle/mod.rs
@@ -13,7 +13,7 @@ mod tests {
     use crate::linter::test_path;
     use crate::pydocstyle::settings::{Convention, Settings};
     use crate::registry::CheckCode;
-    use crate::{settings, violations};
+    use crate::settings;
 
     #[test_case(CheckCode::D100, Path::new("D.py"); "D100")]
     #[test_case(CheckCode::D101, Path::new("D.py"); "D101")]
diff --git a/src/pydocstyle/plugins.rs b/src/pydocstyle/plugins.rs
index cb5c8ac408..12f164f823 100644
--- a/src/pydocstyle/plugins.rs
+++ b/src/pydocstyle/plugins.rs
@@ -16,7 +16,7 @@ use crate::docstrings::sections::{section_contexts, SectionContext};
 use crate::docstrings::styles::SectionStyle;
 use crate::pydocstyle::helpers::{leading_quote, logical_line};
 use crate::pydocstyle::settings::Convention;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::violations;
 use crate::visibility::{is_init, is_magic, is_overload, is_override, is_staticmethod, Visibility};
 
diff --git a/src/pydocstyle/settings.rs b/src/pydocstyle/settings.rs
index d53601833d..e679c75203 100644
--- a/src/pydocstyle/settings.rs
+++ b/src/pydocstyle/settings.rs
@@ -5,7 +5,6 @@ use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 
 use crate::registry::CheckCodePrefix;
-use crate::violations;
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, Hash, JsonSchema)]
 #[serde(deny_unknown_fields, rename_all = "kebab-case")]
diff --git a/src/pyflakes/checks.rs b/src/pyflakes/checks.rs
index e1458e7457..53788e29c1 100644
--- a/src/pyflakes/checks.rs
+++ b/src/pyflakes/checks.rs
@@ -6,7 +6,7 @@ use rustpython_parser::ast::{
 
 use crate::ast::helpers::except_range;
 use crate::ast::types::{Binding, Range, Scope, ScopeKind};
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::source_code_locator::SourceCodeLocator;
 use crate::violations;
 
diff --git a/src/pyflakes/mod.rs b/src/pyflakes/mod.rs
index 92140ae7b7..799b2ec477 100644
--- a/src/pyflakes/mod.rs
+++ b/src/pyflakes/mod.rs
@@ -20,7 +20,7 @@ mod tests {
     use crate::settings::flags;
     use crate::source_code_locator::SourceCodeLocator;
     use crate::source_code_style::SourceCodeStyleDetector;
-    use crate::{directives, rustpython_helpers, settings, violations};
+    use crate::{directives, rustpython_helpers, settings};
 
     #[test_case(CheckCode::F401, Path::new("F401_0.py"); "F401_0")]
     #[test_case(CheckCode::F401, Path::new("F401_1.py"); "F401_1")]
diff --git a/src/pyflakes/plugins/f_string_missing_placeholders.rs b/src/pyflakes/plugins/f_string_missing_placeholders.rs
index 9ce73e7200..47dbdeff8c 100644
--- a/src/pyflakes/plugins/f_string_missing_placeholders.rs
+++ b/src/pyflakes/plugins/f_string_missing_placeholders.rs
@@ -3,7 +3,7 @@ use rustpython_ast::{Expr, ExprKind};
 use crate::ast::helpers::find_useless_f_strings;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::violations;
 
 /// F541
diff --git a/src/pyflakes/plugins/invalid_literal_comparisons.rs b/src/pyflakes/plugins/invalid_literal_comparisons.rs
index e0dcdc4615..2386fb8cdb 100644
--- a/src/pyflakes/plugins/invalid_literal_comparisons.rs
+++ b/src/pyflakes/plugins/invalid_literal_comparisons.rs
@@ -7,7 +7,7 @@ use crate::ast::operations::locate_cmpops;
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// F632
diff --git a/src/pyflakes/plugins/invalid_print_syntax.rs b/src/pyflakes/plugins/invalid_print_syntax.rs
index ec84fe6558..2f5b000181 100644
--- a/src/pyflakes/plugins/invalid_print_syntax.rs
+++ b/src/pyflakes/plugins/invalid_print_syntax.rs
@@ -2,7 +2,7 @@ use rustpython_ast::{Expr, ExprKind};
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// F633
diff --git a/src/pyflakes/plugins/raise_not_implemented.rs b/src/pyflakes/plugins/raise_not_implemented.rs
index 4ad41e529a..67b0938a8b 100644
--- a/src/pyflakes/plugins/raise_not_implemented.rs
+++ b/src/pyflakes/plugins/raise_not_implemented.rs
@@ -3,7 +3,7 @@ use rustpython_ast::{Expr, ExprKind};
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 fn match_not_implemented(expr: &Expr) -> Option<&Expr> {
diff --git a/src/pyflakes/plugins/strings.rs b/src/pyflakes/plugins/strings.rs
index e2805cd071..bd975c66a6 100644
--- a/src/pyflakes/plugins/strings.rs
+++ b/src/pyflakes/plugins/strings.rs
@@ -12,7 +12,7 @@ use crate::pyflakes::fixes::{
     remove_unused_format_arguments_from_dict, remove_unused_keyword_arguments_from_format_call,
 };
 use crate::pyflakes::format::FormatSummary;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 fn has_star_star_kwargs(keywords: &[Keyword]) -> bool {
diff --git a/src/pyflakes/plugins/unused_annotation.rs b/src/pyflakes/plugins/unused_annotation.rs
index 4944b5910c..53deb278a5 100644
--- a/src/pyflakes/plugins/unused_annotation.rs
+++ b/src/pyflakes/plugins/unused_annotation.rs
@@ -1,6 +1,6 @@
 use crate::ast::types::BindingKind;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// F842
diff --git a/src/pyflakes/plugins/unused_variable.rs b/src/pyflakes/plugins/unused_variable.rs
index 78f827c1e6..4d952517b4 100644
--- a/src/pyflakes/plugins/unused_variable.rs
+++ b/src/pyflakes/plugins/unused_variable.rs
@@ -5,7 +5,7 @@ use crate::ast::types::{BindingKind, Range, RefEquality, ScopeKind};
 use crate::autofix::helpers::delete_stmt;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::violations;
 
 fn is_literal_or_name(expr: &Expr, checker: &Checker) -> bool {
diff --git a/src/pygrep_hooks/mod.rs b/src/pygrep_hooks/mod.rs
index 6a901da183..c20b69997b 100644
--- a/src/pygrep_hooks/mod.rs
+++ b/src/pygrep_hooks/mod.rs
@@ -10,7 +10,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{settings, violations};
+    use crate::settings;
 
     #[test_case(CheckCode::PGH001, Path::new("PGH001_0.py"); "PGH001_0")]
     #[test_case(CheckCode::PGH001, Path::new("PGH001_1.py"); "PGH001_1")]
diff --git a/src/pygrep_hooks/plugins/blanket_noqa.rs b/src/pygrep_hooks/plugins/blanket_noqa.rs
index 6effb8a65b..b627da5743 100644
--- a/src/pygrep_hooks/plugins/blanket_noqa.rs
+++ b/src/pygrep_hooks/plugins/blanket_noqa.rs
@@ -3,7 +3,7 @@ use regex::Regex;
 use rustpython_ast::Location;
 
 use crate::ast::types::Range;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 static BLANKET_NOQA_REGEX: Lazy<Regex> =
diff --git a/src/pygrep_hooks/plugins/blanket_type_ignore.rs b/src/pygrep_hooks/plugins/blanket_type_ignore.rs
index fa3fc8ac90..d671595639 100644
--- a/src/pygrep_hooks/plugins/blanket_type_ignore.rs
+++ b/src/pygrep_hooks/plugins/blanket_type_ignore.rs
@@ -3,7 +3,7 @@ use regex::Regex;
 use rustpython_ast::Location;
 
 use crate::ast::types::Range;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 static BLANKET_TYPE_IGNORE_REGEX: Lazy<Regex> =
diff --git a/src/pygrep_hooks/plugins/deprecated_log_warn.rs b/src/pygrep_hooks/plugins/deprecated_log_warn.rs
index 1eade04fe1..b59fc640c2 100644
--- a/src/pygrep_hooks/plugins/deprecated_log_warn.rs
+++ b/src/pygrep_hooks/plugins/deprecated_log_warn.rs
@@ -3,7 +3,7 @@ use rustpython_ast::Expr;
 use crate::ast::helpers::{collect_call_paths, dealias_call_path, match_call_path};
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// PGH002 - deprecated use of logging.warn
diff --git a/src/pygrep_hooks/plugins/no_eval.rs b/src/pygrep_hooks/plugins/no_eval.rs
index 90c691a68c..3174319bd2 100644
--- a/src/pygrep_hooks/plugins/no_eval.rs
+++ b/src/pygrep_hooks/plugins/no_eval.rs
@@ -2,7 +2,7 @@ use rustpython_ast::{Expr, ExprKind};
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// PGH001 - no eval
diff --git a/src/pylint/mod.rs b/src/pylint/mod.rs
index 01d3144dd9..13ab36b81b 100644
--- a/src/pylint/mod.rs
+++ b/src/pylint/mod.rs
@@ -9,7 +9,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{violations, Settings};
+    use crate::Settings;
 
     #[test_case(CheckCode::PLC0414, Path::new("import_aliasing.py"); "PLC0414")]
     #[test_case(CheckCode::PLC2201, Path::new("misplaced_comparison_constant.py"); "PLC2201")]
diff --git a/src/pylint/plugins/await_outside_async.rs b/src/pylint/plugins/await_outside_async.rs
index b362ee6567..9908fe4beb 100644
--- a/src/pylint/plugins/await_outside_async.rs
+++ b/src/pylint/plugins/await_outside_async.rs
@@ -2,7 +2,6 @@ use rustpython_ast::Expr;
 
 use crate::ast::types::{FunctionDef, Range, ScopeKind};
 use crate::checkers::ast::Checker;
-use crate::registry::CheckKind;
 use crate::{violations, Check};
 
 /// PLE1142
diff --git a/src/pylint/plugins/merge_isinstance.rs b/src/pylint/plugins/merge_isinstance.rs
index b2f5b21c3a..432d8e0a15 100644
--- a/src/pylint/plugins/merge_isinstance.rs
+++ b/src/pylint/plugins/merge_isinstance.rs
@@ -4,7 +4,6 @@ use rustpython_ast::{Boolop, Expr, ExprKind};
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::CheckKind;
 use crate::{violations, Check};
 
 /// PLR1701
diff --git a/src/pylint/plugins/misplaced_comparison_constant.rs b/src/pylint/plugins/misplaced_comparison_constant.rs
index 711e0c4dbc..37cde53382 100644
--- a/src/pylint/plugins/misplaced_comparison_constant.rs
+++ b/src/pylint/plugins/misplaced_comparison_constant.rs
@@ -3,7 +3,6 @@ use rustpython_ast::{Cmpop, Expr, ExprKind};
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::CheckKind;
 use crate::{violations, Check};
 
 /// PLC2201
diff --git a/src/pylint/plugins/property_with_parameters.rs b/src/pylint/plugins/property_with_parameters.rs
index a427c797e1..7b0f771973 100644
--- a/src/pylint/plugins/property_with_parameters.rs
+++ b/src/pylint/plugins/property_with_parameters.rs
@@ -2,7 +2,6 @@ use rustpython_ast::{Arguments, Expr, ExprKind, Stmt};
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::CheckKind;
 use crate::{violations, Check};
 
 /// PLR0206
diff --git a/src/pylint/plugins/unnecessary_direct_lambda_call.rs b/src/pylint/plugins/unnecessary_direct_lambda_call.rs
index 174a70dbbf..37fef0e2ef 100644
--- a/src/pylint/plugins/unnecessary_direct_lambda_call.rs
+++ b/src/pylint/plugins/unnecessary_direct_lambda_call.rs
@@ -2,7 +2,6 @@ use rustpython_ast::{Expr, ExprKind};
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::CheckKind;
 use crate::{violations, Check};
 
 /// PLC3002
diff --git a/src/pylint/plugins/use_from_import.rs b/src/pylint/plugins/use_from_import.rs
index fd62fbaa3d..b85798de83 100644
--- a/src/pylint/plugins/use_from_import.rs
+++ b/src/pylint/plugins/use_from_import.rs
@@ -2,7 +2,6 @@ use rustpython_ast::Alias;
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::CheckKind;
 use crate::{violations, Check};
 
 /// PLR0402
diff --git a/src/pylint/plugins/use_sys_exit.rs b/src/pylint/plugins/use_sys_exit.rs
index a0d5686fd5..a5f2b3f386 100644
--- a/src/pylint/plugins/use_sys_exit.rs
+++ b/src/pylint/plugins/use_sys_exit.rs
@@ -3,7 +3,7 @@ use rustpython_ast::{Expr, ExprKind};
 use crate::ast::types::{BindingKind, Range};
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// Return `true` if the `module` was imported using a star import (e.g., `from
diff --git a/src/pylint/plugins/used_prior_global_declaration.rs b/src/pylint/plugins/used_prior_global_declaration.rs
index 66691054f7..56701b50fb 100644
--- a/src/pylint/plugins/used_prior_global_declaration.rs
+++ b/src/pylint/plugins/used_prior_global_declaration.rs
@@ -2,7 +2,6 @@ use rustpython_ast::Expr;
 
 use crate::ast::types::{Range, ScopeKind};
 use crate::checkers::ast::Checker;
-use crate::registry::CheckKind;
 use crate::{violations, Check};
 
 /// PLE0118
diff --git a/src/pylint/plugins/useless_else_on_loop.rs b/src/pylint/plugins/useless_else_on_loop.rs
index 564ad472cc..dfc9b29b99 100644
--- a/src/pylint/plugins/useless_else_on_loop.rs
+++ b/src/pylint/plugins/useless_else_on_loop.rs
@@ -2,7 +2,6 @@ use rustpython_ast::{ExcepthandlerKind, Stmt, StmtKind};
 
 use crate::ast::helpers;
 use crate::checkers::ast::Checker;
-use crate::registry::CheckKind;
 use crate::{violations, Check};
 
 fn loop_exits_early(body: &[Stmt]) -> bool {
diff --git a/src/pylint/plugins/useless_import_alias.rs b/src/pylint/plugins/useless_import_alias.rs
index 008bc61f23..0f98182727 100644
--- a/src/pylint/plugins/useless_import_alias.rs
+++ b/src/pylint/plugins/useless_import_alias.rs
@@ -3,7 +3,6 @@ use rustpython_ast::Alias;
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::CheckKind;
 use crate::{violations, Check};
 
 /// PLC0414
diff --git a/src/pyupgrade/checks.rs b/src/pyupgrade/checks.rs
index af825564d9..b80da6d462 100644
--- a/src/pyupgrade/checks.rs
+++ b/src/pyupgrade/checks.rs
@@ -8,7 +8,7 @@ use crate::ast::helpers::{self};
 use crate::ast::types::{Binding, BindingKind, Range, Scope, ScopeKind};
 use crate::autofix::Fix;
 use crate::pyupgrade::types::Primitive;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::settings::types::PythonVersion;
 use crate::violations;
 
diff --git a/src/pyupgrade/mod.rs b/src/pyupgrade/mod.rs
index a8aca2f3b5..17d6a422a0 100644
--- a/src/pyupgrade/mod.rs
+++ b/src/pyupgrade/mod.rs
@@ -14,8 +14,8 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
+    use crate::settings;
     use crate::settings::types::PythonVersion;
-    use crate::{settings, violations};
 
     #[test_case(CheckCode::UP001, Path::new("UP001.py"); "UP001")]
     #[test_case(CheckCode::UP003, Path::new("UP003.py"); "UP003")]
diff --git a/src/pyupgrade/plugins/convert_named_tuple_functional_to_class.rs b/src/pyupgrade/plugins/convert_named_tuple_functional_to_class.rs
index b8d1f79952..1ad215a281 100644
--- a/src/pyupgrade/plugins/convert_named_tuple_functional_to_class.rs
+++ b/src/pyupgrade/plugins/convert_named_tuple_functional_to_class.rs
@@ -8,7 +8,7 @@ use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
 use crate::python::identifiers::IDENTIFIER_REGEX;
 use crate::python::keyword::KWLIST;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::source_code_generator::SourceCodeGenerator;
 use crate::source_code_style::SourceCodeStyleDetector;
 use crate::violations;
diff --git a/src/pyupgrade/plugins/convert_typed_dict_functional_to_class.rs b/src/pyupgrade/plugins/convert_typed_dict_functional_to_class.rs
index 7af6c2c18d..7c0345e794 100644
--- a/src/pyupgrade/plugins/convert_typed_dict_functional_to_class.rs
+++ b/src/pyupgrade/plugins/convert_typed_dict_functional_to_class.rs
@@ -10,7 +10,7 @@ use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
 use crate::python::identifiers::IDENTIFIER_REGEX;
 use crate::python::keyword::KWLIST;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::source_code_generator::SourceCodeGenerator;
 use crate::source_code_style::SourceCodeStyleDetector;
 use crate::violations;
diff --git a/src/pyupgrade/plugins/datetime_utc_alias.rs b/src/pyupgrade/plugins/datetime_utc_alias.rs
index 1815c782d2..67d32e5b77 100644
--- a/src/pyupgrade/plugins/datetime_utc_alias.rs
+++ b/src/pyupgrade/plugins/datetime_utc_alias.rs
@@ -4,7 +4,7 @@ use crate::ast::helpers::{collect_call_paths, compose_call_path, dealias_call_pa
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::violations;
 
 /// UP017
diff --git a/src/pyupgrade/plugins/deprecated_unittest_alias.rs b/src/pyupgrade/plugins/deprecated_unittest_alias.rs
index d1c31679f5..8dd1468432 100644
--- a/src/pyupgrade/plugins/deprecated_unittest_alias.rs
+++ b/src/pyupgrade/plugins/deprecated_unittest_alias.rs
@@ -5,7 +5,7 @@ use rustpython_ast::{Expr, ExprKind};
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 static DEPRECATED_ALIASES: Lazy<FxHashMap<&'static str, &'static str>> = Lazy::new(|| {
diff --git a/src/pyupgrade/plugins/native_literals.rs b/src/pyupgrade/plugins/native_literals.rs
index 525bce3c68..c42b41f9f5 100644
--- a/src/pyupgrade/plugins/native_literals.rs
+++ b/src/pyupgrade/plugins/native_literals.rs
@@ -5,7 +5,7 @@ use rustpython_parser::lexer::Tok;
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind, LiteralType};
+use crate::registry::{Check, CheckCode, LiteralType};
 use crate::violations;
 
 /// UP018
diff --git a/src/pyupgrade/plugins/open_alias.rs b/src/pyupgrade/plugins/open_alias.rs
index d8d89d86e1..f1a581edfd 100644
--- a/src/pyupgrade/plugins/open_alias.rs
+++ b/src/pyupgrade/plugins/open_alias.rs
@@ -4,7 +4,7 @@ use crate::ast::helpers::{collect_call_paths, dealias_call_path, match_call_path
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::violations;
 
 /// UP020
diff --git a/src/pyupgrade/plugins/os_error_alias.rs b/src/pyupgrade/plugins/os_error_alias.rs
index 20a4bc684e..e9d68ad407 100644
--- a/src/pyupgrade/plugins/os_error_alias.rs
+++ b/src/pyupgrade/plugins/os_error_alias.rs
@@ -7,7 +7,7 @@ use crate::ast::helpers::{compose_call_path, match_module_member};
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 const ERROR_NAMES: &[&str] = &["EnvironmentError", "IOError", "WindowsError"];
diff --git a/src/pyupgrade/plugins/redundant_open_modes.rs b/src/pyupgrade/plugins/redundant_open_modes.rs
index fa398386ac..8638925789 100644
--- a/src/pyupgrade/plugins/redundant_open_modes.rs
+++ b/src/pyupgrade/plugins/redundant_open_modes.rs
@@ -10,7 +10,7 @@ use crate::ast::helpers::find_keyword;
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::source_code_locator::SourceCodeLocator;
 use crate::violations;
 
diff --git a/src/pyupgrade/plugins/remove_six_compat.rs b/src/pyupgrade/plugins/remove_six_compat.rs
index 84d41394f1..f7ed63726d 100644
--- a/src/pyupgrade/plugins/remove_six_compat.rs
+++ b/src/pyupgrade/plugins/remove_six_compat.rs
@@ -4,7 +4,7 @@ use crate::ast::helpers::{collect_call_paths, create_expr, create_stmt, dealias_
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::source_code_generator::SourceCodeGenerator;
 use crate::source_code_style::SourceCodeStyleDetector;
 use crate::{violations, SourceCodeLocator};
diff --git a/src/pyupgrade/plugins/replace_stdout_stderr.rs b/src/pyupgrade/plugins/replace_stdout_stderr.rs
index 224ea115eb..2c22ac44be 100644
--- a/src/pyupgrade/plugins/replace_stdout_stderr.rs
+++ b/src/pyupgrade/plugins/replace_stdout_stderr.rs
@@ -5,7 +5,7 @@ use crate::ast::types::Range;
 use crate::ast::whitespace::indentation;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 #[derive(Debug)]
diff --git a/src/pyupgrade/plugins/replace_universal_newlines.rs b/src/pyupgrade/plugins/replace_universal_newlines.rs
index 63ab1357a8..682536808c 100644
--- a/src/pyupgrade/plugins/replace_universal_newlines.rs
+++ b/src/pyupgrade/plugins/replace_universal_newlines.rs
@@ -4,7 +4,7 @@ use crate::ast::helpers::{find_keyword, match_module_member};
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// UP021
diff --git a/src/pyupgrade/plugins/rewrite_c_element_tree.rs b/src/pyupgrade/plugins/rewrite_c_element_tree.rs
index c4c4750ed3..c2bb290e39 100644
--- a/src/pyupgrade/plugins/rewrite_c_element_tree.rs
+++ b/src/pyupgrade/plugins/rewrite_c_element_tree.rs
@@ -3,7 +3,7 @@ use rustpython_ast::{Located, Stmt, StmtKind};
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 fn add_check_for_node<T>(checker: &mut Checker, node: &Located<T>) {
diff --git a/src/pyupgrade/plugins/rewrite_mock_import.rs b/src/pyupgrade/plugins/rewrite_mock_import.rs
index 20ea06849b..a719af4bc4 100644
--- a/src/pyupgrade/plugins/rewrite_mock_import.rs
+++ b/src/pyupgrade/plugins/rewrite_mock_import.rs
@@ -12,7 +12,7 @@ use crate::ast::whitespace::indentation;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
 use crate::cst::matchers::{match_import, match_import_from, match_module};
-use crate::registry::{Check, CheckCode, CheckKind, MockReference};
+use crate::registry::{Check, CheckCode, MockReference};
 use crate::source_code_locator::SourceCodeLocator;
 use crate::source_code_style::SourceCodeStyleDetector;
 use crate::violations;
diff --git a/src/pyupgrade/plugins/rewrite_unicode_literal.rs b/src/pyupgrade/plugins/rewrite_unicode_literal.rs
index b5f56bf07c..7bddc53c41 100644
--- a/src/pyupgrade/plugins/rewrite_unicode_literal.rs
+++ b/src/pyupgrade/plugins/rewrite_unicode_literal.rs
@@ -3,7 +3,7 @@ use rustpython_ast::{Expr, Location};
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// UP025
diff --git a/src/pyupgrade/plugins/rewrite_yield_from.rs b/src/pyupgrade/plugins/rewrite_yield_from.rs
index d18b295398..8978fd0dcb 100644
--- a/src/pyupgrade/plugins/rewrite_yield_from.rs
+++ b/src/pyupgrade/plugins/rewrite_yield_from.rs
@@ -6,7 +6,7 @@ use crate::ast::visitor;
 use crate::ast::visitor::Visitor;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// Return `true` if the two expressions are equivalent, and consistent solely
diff --git a/src/pyupgrade/plugins/typing_text_str_alias.rs b/src/pyupgrade/plugins/typing_text_str_alias.rs
index 9375747834..9a5a6e9ba0 100644
--- a/src/pyupgrade/plugins/typing_text_str_alias.rs
+++ b/src/pyupgrade/plugins/typing_text_str_alias.rs
@@ -4,7 +4,7 @@ use crate::ast::helpers::match_module_member;
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// UP019
diff --git a/src/pyupgrade/plugins/unnecessary_builtin_import.rs b/src/pyupgrade/plugins/unnecessary_builtin_import.rs
index acd9dfebb8..7e66889bef 100644
--- a/src/pyupgrade/plugins/unnecessary_builtin_import.rs
+++ b/src/pyupgrade/plugins/unnecessary_builtin_import.rs
@@ -5,7 +5,7 @@ use rustpython_parser::ast::Stmt;
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::{autofix, violations};
 
 const BUILTINS: &[&str] = &[
diff --git a/src/pyupgrade/plugins/unnecessary_encode_utf8.rs b/src/pyupgrade/plugins/unnecessary_encode_utf8.rs
index 15d6c47ed2..3c3eac3d65 100644
--- a/src/pyupgrade/plugins/unnecessary_encode_utf8.rs
+++ b/src/pyupgrade/plugins/unnecessary_encode_utf8.rs
@@ -3,7 +3,7 @@ use rustpython_ast::{Constant, Expr, ExprKind, Keyword};
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::source_code_locator::SourceCodeLocator;
 use crate::violations;
 
diff --git a/src/pyupgrade/plugins/unnecessary_future_import.rs b/src/pyupgrade/plugins/unnecessary_future_import.rs
index bd73f0a677..a89fe4694f 100644
--- a/src/pyupgrade/plugins/unnecessary_future_import.rs
+++ b/src/pyupgrade/plugins/unnecessary_future_import.rs
@@ -5,7 +5,7 @@ use rustpython_parser::ast::Stmt;
 
 use crate::ast::types::Range;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::settings::types::PythonVersion;
 use crate::{autofix, violations};
 
diff --git a/src/pyupgrade/plugins/unpack_list_comprehension.rs b/src/pyupgrade/plugins/unpack_list_comprehension.rs
index 9190eb3754..7609845771 100644
--- a/src/pyupgrade/plugins/unpack_list_comprehension.rs
+++ b/src/pyupgrade/plugins/unpack_list_comprehension.rs
@@ -3,7 +3,7 @@ use rustpython_ast::{Expr, ExprKind};
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckCode, CheckKind};
+use crate::registry::{Check, CheckCode};
 use crate::violations;
 
 /// Returns `true` if `expr` contains an `ExprKind::Await`.
diff --git a/src/pyupgrade/plugins/use_pep585_annotation.rs b/src/pyupgrade/plugins/use_pep585_annotation.rs
index 05711cc1da..38857eeb32 100644
--- a/src/pyupgrade/plugins/use_pep585_annotation.rs
+++ b/src/pyupgrade/plugins/use_pep585_annotation.rs
@@ -3,7 +3,7 @@ use rustpython_ast::Expr;
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::violations;
 
 /// UP006
diff --git a/src/pyupgrade/plugins/use_pep604_annotation.rs b/src/pyupgrade/plugins/use_pep604_annotation.rs
index 0538a4445d..0d03535383 100644
--- a/src/pyupgrade/plugins/use_pep604_annotation.rs
+++ b/src/pyupgrade/plugins/use_pep604_annotation.rs
@@ -4,7 +4,7 @@ use crate::ast::helpers::{collect_call_paths, dealias_call_path};
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::checkers::ast::Checker;
-use crate::registry::{Check, CheckKind};
+use crate::registry::Check;
 use crate::source_code_generator::SourceCodeGenerator;
 use crate::violations;
 
diff --git a/src/ruff/mod.rs b/src/ruff/mod.rs
index 23e89e6e17..633ccc7196 100644
--- a/src/ruff/mod.rs
+++ b/src/ruff/mod.rs
@@ -12,7 +12,7 @@ mod tests {
 
     use crate::linter::test_path;
     use crate::registry::CheckCode;
-    use crate::{settings, violations};
+    use crate::settings;
     #[test_case(CheckCode::RUF004, Path::new("RUF004.py"); "RUF004")]
     fn checks(check_code: CheckCode, path: &Path) -> Result<()> {
         let snapshot = format!("{}_{}", check_code.as_ref(), path.to_string_lossy());
diff --git a/src/settings/configuration.rs b/src/settings/configuration.rs
index f1fdc1fd3b..dc262eed4e 100644
--- a/src/settings/configuration.rs
+++ b/src/settings/configuration.rs
@@ -22,7 +22,7 @@ use crate::settings::types::{
 use crate::{
     flake8_annotations, flake8_bandit, flake8_bugbear, flake8_errmsg, flake8_import_conventions,
     flake8_pytest_style, flake8_quotes, flake8_tidy_imports, flake8_unused_arguments, fs, isort,
-    mccabe, pep8_naming, pycodestyle, pydocstyle, pyupgrade, violations,
+    mccabe, pep8_naming, pycodestyle, pydocstyle, pyupgrade,
 };
 
 #[derive(Debug, Default)]
diff --git a/src/settings/mod.rs b/src/settings/mod.rs
index c49c0fd9f8..48b97fefe5 100644
--- a/src/settings/mod.rs
+++ b/src/settings/mod.rs
@@ -25,7 +25,7 @@ use crate::settings::types::{
 use crate::{
     flake8_annotations, flake8_bandit, flake8_bugbear, flake8_errmsg, flake8_import_conventions,
     flake8_pytest_style, flake8_quotes, flake8_tidy_imports, flake8_unused_arguments, isort,
-    mccabe, one_time_warning, pep8_naming, pycodestyle, pydocstyle, pyupgrade, violations,
+    mccabe, one_time_warning, pep8_naming, pycodestyle, pydocstyle, pyupgrade,
 };
 
 pub mod configuration;
@@ -442,7 +442,6 @@ mod tests {
 
     use crate::registry::{CheckCode, CheckCodePrefix};
     use crate::settings::{resolve_codes, CheckCodeSpec};
-    use crate::violations;
 
     #[test]
     fn check_codes() {
diff --git a/src/settings/options.rs b/src/settings/options.rs
index 4375a5751d..620dd96368 100644
--- a/src/settings/options.rs
+++ b/src/settings/options.rs
@@ -10,7 +10,7 @@ use crate::settings::types::{PythonVersion, SerializationFormat, Version};
 use crate::{
     flake8_annotations, flake8_bandit, flake8_bugbear, flake8_errmsg, flake8_import_conventions,
     flake8_pytest_style, flake8_quotes, flake8_tidy_imports, flake8_unused_arguments, isort,
-    mccabe, pep8_naming, pycodestyle, pydocstyle, pyupgrade, violations,
+    mccabe, pep8_naming, pycodestyle, pydocstyle, pyupgrade,
 };
 
 #[derive(
diff --git a/src/settings/pyproject.rs b/src/settings/pyproject.rs
index 5ca65efa7c..5b888e3d5e 100644
--- a/src/settings/pyproject.rs
+++ b/src/settings/pyproject.rs
@@ -138,7 +138,7 @@ mod tests {
     use crate::settings::types::PatternPrefixPair;
     use crate::{
         flake8_bugbear, flake8_errmsg, flake8_import_conventions, flake8_pytest_style,
-        flake8_quotes, flake8_tidy_imports, mccabe, pep8_naming, violations,
+        flake8_quotes, flake8_tidy_imports, mccabe, pep8_naming,
     };
 
     #[test]
diff --git a/src/settings/types.rs b/src/settings/types.rs
index a76f757ea0..56383b87c7 100644
--- a/src/settings/types.rs
+++ b/src/settings/types.rs
@@ -10,8 +10,8 @@ use rustc_hash::FxHashSet;
 use schemars::JsonSchema;
 use serde::{de, Deserialize, Deserializer, Serialize};
 
+use crate::fs;
 use crate::registry::{CheckCode, CheckCodePrefix};
-use crate::{fs, violations};
 
 #[derive(
     Clone, Copy, Debug, PartialOrd, Ord, PartialEq, Eq, Serialize, Deserialize, Hash, JsonSchema,