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-rw-r--r--compiler/rustc_middle/src/ty/codec.rs3
1 files changed, 0 insertions, 3 deletions
diff --git a/compiler/rustc_middle/src/ty/codec.rs b/compiler/rustc_middle/src/ty/codec.rs
index 7fcc46cc7c2..23c377651cc 100644
--- a/compiler/rustc_middle/src/ty/codec.rs
+++ b/compiler/rustc_middle/src/ty/codec.rs
@@ -453,9 +453,6 @@ macro_rules! impl_arena_allocatable_decoder {
             }
         }
     };
-    ([$ignore:ident $(, $attrs:ident)*]$args:tt) => {
-        impl_arena_allocatable_decoder!([$($attrs),*]$args);
-    };
 }
 
 macro_rules! impl_arena_allocatable_decoders {