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-rw-r--r--compiler/rustc_middle/src/ty/structural_impls.rs1
1 files changed, 0 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs
index 268339ed402..b66c0f20990 100644
--- a/compiler/rustc_middle/src/ty/structural_impls.rs
+++ b/compiler/rustc_middle/src/ty/structural_impls.rs
@@ -479,7 +479,6 @@ TrivialTypeTraversalImpls! {
     ::rustc_target::asm::InlineAsmRegOrRegClass,
     crate::mir::coverage::CounterId,
     crate::mir::coverage::ExpressionId,
-    crate::mir::coverage::MappedExpressionIndex,
     crate::mir::Local,
     crate::mir::Promoted,
     crate::traits::Reveal,