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-rw-r--r--compiler/rustc_resolve/src/lib.rs1
1 files changed, 0 insertions, 1 deletions
diff --git a/compiler/rustc_resolve/src/lib.rs b/compiler/rustc_resolve/src/lib.rs
index 2381623b841..01bcfec4bdc 100644
--- a/compiler/rustc_resolve/src/lib.rs
+++ b/compiler/rustc_resolve/src/lib.rs
@@ -961,7 +961,6 @@ struct DeriveData {
     has_derive_copy: bool,
 }
 
-#[derive(Clone)]
 struct MacroData {
     ext: Lrc<SyntaxExtension>,
     rule_spans: Vec<(usize, Span)>,