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-rw-r--r--clippy_lints/src/lifetimes.rs4
1 files changed, 3 insertions, 1 deletions
diff --git a/clippy_lints/src/lifetimes.rs b/clippy_lints/src/lifetimes.rs
index 93f5663312f..5c0bd57ac50 100644
--- a/clippy_lints/src/lifetimes.rs
+++ b/clippy_lints/src/lifetimes.rs
@@ -92,7 +92,9 @@ impl<'tcx> LateLintPass<'tcx> for Lifetimes {
         if let ItemKind::Fn(ref sig, generics, id) = item.kind {
             check_fn_inner(cx, sig.decl, Some(id), None, generics, item.span, true);
         } else if let ItemKind::Impl(impl_) = item.kind {
-            report_extra_impl_lifetimes(cx, impl_);
+            if !item.span.from_expansion() {
+                report_extra_impl_lifetimes(cx, impl_);
+            }
         }
     }