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-rw-r--r--compiler/rustc_middle/src/traits/mod.rs4
1 files changed, 0 insertions, 4 deletions
diff --git a/compiler/rustc_middle/src/traits/mod.rs b/compiler/rustc_middle/src/traits/mod.rs
index d0ce4e6242e..1314a235610 100644
--- a/compiler/rustc_middle/src/traits/mod.rs
+++ b/compiler/rustc_middle/src/traits/mod.rs
@@ -427,10 +427,6 @@ pub enum IsConstable {
     Ctor,
 }
 
-TrivialTypeTraversalAndLiftImpls! {
-    IsConstable,
-}
-
 /// The 'location' at which we try to perform HIR-based wf checking.
 /// This information is used to obtain an `hir::Ty`, which
 /// we can walk in order to obtain precise spans for any