diff --git a/crates/syntax/rust.ungram b/crates/syntax/rust.ungram
index 272796bb3b..c23bcd6914 100644
--- a/crates/syntax/rust.ungram
+++ b/crates/syntax/rust.ungram
@@ -629,7 +629,7 @@ TypeBoundList =
 TypeBound =
   Lifetime
 | ('~' 'const' | 'const')? 'async'? '?'? Type
-| 'use' GenericParamList?
+| 'use' GenericParamList
 
 //************************//
 //        Patterns        //