diff --git a/crates/ruff/src/registry.rs b/crates/ruff/src/registry.rs
index 936deecd09..1fae5c351e 100644
--- a/crates/ruff/src/registry.rs
+++ b/crates/ruff/src/registry.rs
@@ -10,7 +10,7 @@ use crate::fix::Fix;
 use crate::rules;
 use crate::violation::Violation;
 
-ruff_macros::define_rule_mapping!(
+ruff_macros::register_rules!(
     // pycodestyle errors
     E101 => rules::pycodestyle::rules::MixedSpacesAndTabs,
     #[cfg(feature = "logical_lines")]
diff --git a/crates/ruff_macros/src/lib.rs b/crates/ruff_macros/src/lib.rs
index 5f077ed5b0..9fa940223e 100644
--- a/crates/ruff_macros/src/lib.rs
+++ b/crates/ruff_macros/src/lib.rs
@@ -3,9 +3,9 @@
 use syn::{parse_macro_input, DeriveInput, ItemFn};
 
 mod config;
-mod define_rule_mapping;
 mod define_violation;
 mod derive_message_formats;
+mod register_rules;
 mod rule_code_prefix;
 mod rule_namespace;
 
@@ -19,9 +19,9 @@ pub fn derive_config(input: proc_macro::TokenStream) -> proc_macro::TokenStream
 }
 
 #[proc_macro]
-pub fn define_rule_mapping(item: proc_macro::TokenStream) -> proc_macro::TokenStream {
-    let mapping = parse_macro_input!(item as define_rule_mapping::Mapping);
-    define_rule_mapping::define_rule_mapping(&mapping).into()
+pub fn register_rules(item: proc_macro::TokenStream) -> proc_macro::TokenStream {
+    let mapping = parse_macro_input!(item as register_rules::Input);
+    register_rules::register_rules(&mapping).into()
 }
 
 #[proc_macro]
diff --git a/crates/ruff_macros/src/define_rule_mapping.rs b/crates/ruff_macros/src/register_rules.rs
similarity index 95%
rename from crates/ruff_macros/src/define_rule_mapping.rs
rename to crates/ruff_macros/src/register_rules.rs
index 4e675c60df..5b67db2e44 100644
--- a/crates/ruff_macros/src/define_rule_mapping.rs
+++ b/crates/ruff_macros/src/register_rules.rs
@@ -5,7 +5,7 @@ use quote::quote;
 use syn::parse::Parse;
 use syn::{Attribute, Ident, LitStr, Path, Token};
 
-pub fn define_rule_mapping(mapping: &Mapping) -> proc_macro2::TokenStream {
+pub fn register_rules(input: &Input) -> proc_macro2::TokenStream {
     let mut rule_variants = quote!();
     let mut diagnostic_kind_variants = quote!();
     let mut rule_message_formats_match_arms = quote!();
@@ -19,7 +19,7 @@ pub fn define_rule_mapping(mapping: &Mapping) -> proc_macro2::TokenStream {
     let mut diagnostic_kind_commit_match_arms = quote!();
     let mut from_impls_for_diagnostic_kind = quote!();
 
-    for (code, path, name, attr) in &mapping.entries {
+    for (code, path, name, attr) in &input.entries {
         let code_str = LitStr::new(&code.to_string(), Span::call_site());
         rule_variants.extend(quote! {
             #[doc = #code_str]
@@ -55,7 +55,7 @@ pub fn define_rule_mapping(mapping: &Mapping) -> proc_macro2::TokenStream {
         });
     }
 
-    let code_to_name: HashMap<_, _> = mapping
+    let code_to_name: HashMap<_, _> = input
         .entries
         .iter()
         .map(|(code, _, name, _)| (code.to_string(), name))
@@ -64,7 +64,7 @@ pub fn define_rule_mapping(mapping: &Mapping) -> proc_macro2::TokenStream {
     let rule_code_prefix = super::rule_code_prefix::expand(
         &Ident::new("Rule", Span::call_site()),
         &Ident::new("RuleCodePrefix", Span::call_site()),
-        mapping.entries.iter().map(|(code, .., attr)| (code, attr)),
+        input.entries.iter().map(|(code, .., attr)| (code, attr)),
         |code| code_to_name[code],
     );
 
@@ -161,11 +161,11 @@ pub fn define_rule_mapping(mapping: &Mapping) -> proc_macro2::TokenStream {
     }
 }
 
-pub struct Mapping {
+pub struct Input {
     entries: Vec<(Ident, Path, Ident, Vec<Attribute>)>,
 }
 
-impl Parse for Mapping {
+impl Parse for Input {
     fn parse(input: syn::parse::ParseStream) -> syn::Result<Self> {
         let mut entries = Vec::new();
         while !input.is_empty() {
diff --git a/scripts/add_rule.py b/scripts/add_rule.py
index f64676d3ca..3c2b2238ee 100755
--- a/scripts/add_rule.py
+++ b/scripts/add_rule.py
@@ -119,7 +119,7 @@ pub fn {rule_name_snake}(checker: &mut Checker) {{}}
             if has_written:
                 continue
 
-            if line.startswith("ruff_macros::define_rule_mapping!"):
+            if line.startswith("ruff_macros::register_rules!"):
                 seen_macro = True
                 continue