diff --git a/ruff_cli/src/printer.rs b/ruff_cli/src/printer.rs
index b0d9858460..1674d02b1c 100644
--- a/ruff_cli/src/printer.rs
+++ b/ruff_cli/src/printer.rs
@@ -177,8 +177,10 @@ impl<'a> Printer<'a> {
                             message.location.column(),
                             message.kind.body()
                         ));
-                        let mut case =
-                            TestCase::new(format!("org.ruff.{}", message.kind.rule()), status);
+                        let mut case = TestCase::new(
+                            format!("org.ruff.{}", message.kind.rule().code()),
+                            status,
+                        );
                         let file_path = Path::new(filename);
                         let file_stem = file_path.file_stem().unwrap().to_str().unwrap();
                         let classname = file_path.parent().unwrap().join(file_stem);
@@ -255,7 +257,7 @@ impl<'a> Printer<'a> {
                         stdout,
                         "::error title=Ruff \
                          ({}),file={},line={},col={},endLine={},endColumn={}::{}",
-                        message.kind.rule(),
+                        message.kind.rule().code(),
                         message.filename,
                         message.location.row(),
                         message.location.column(),
@@ -276,7 +278,7 @@ impl<'a> Printer<'a> {
                             .iter()
                             .map(|message| {
                                 json!({
-                                    "description": format!("({}) {}", message.kind.rule(), message.kind.body()),
+                                    "description": format!("({}) {}", message.kind.rule().code(), message.kind.body()),
                                     "severity": "major",
                                     "fingerprint": message.kind.rule(),
                                     "location": {
diff --git a/ruff_macros/src/define_rule_mapping.rs b/ruff_macros/src/define_rule_mapping.rs
index 13428e18e3..1826c5a596 100644
--- a/ruff_macros/src/define_rule_mapping.rs
+++ b/ruff_macros/src/define_rule_mapping.rs
@@ -51,7 +51,6 @@ pub fn define_rule_mapping(mapping: &Mapping) -> proc_macro2::TokenStream {
             EnumIter,
             EnumString,  // TODO(martin): Remove
             Debug,
-            Display,     // TODO(martin): Remove
             PartialEq,
             Eq,
             Clone,
diff --git a/src/registry.rs b/src/registry.rs
index 7259c72899..723610b165 100644
--- a/src/registry.rs
+++ b/src/registry.rs
@@ -5,7 +5,7 @@ use once_cell::sync::Lazy;
 use rustc_hash::FxHashMap;
 use rustpython_parser::ast::Location;
 use serde::{Deserialize, Serialize};
-use strum_macros::{AsRefStr, Display, EnumIter, EnumString};
+use strum_macros::{AsRefStr, EnumIter, EnumString};
 
 use crate::ast::types::Range;
 use crate::fix::Fix;