diff --git a/clippy_utils/src/check_proc_macro.rs b/clippy_utils/src/check_proc_macro.rs
index 8a8ccc30205..e0dbc1c9701 100644
--- a/clippy_utils/src/check_proc_macro.rs
+++ b/clippy_utils/src/check_proc_macro.rs
@@ -344,7 +344,7 @@ impl<'cx> WithSearchPat for (&Attribute, &LateContext<'cx>) {
     type Context = LateContext<'cx>;
 
     fn search_pat(&self, _cx: &Self::Context) -> (Pat, Pat) {
-        attr_search_pat(&self.0)
+        attr_search_pat(self.0)
     }
 
     fn span(&self) -> Span {
diff --git a/tests/ui/allow_attributes.fixed b/tests/ui/allow_attributes.fixed
index be93c5bffe7..5c30a9d2941 100644
--- a/tests/ui/allow_attributes.fixed
+++ b/tests/ui/allow_attributes.fixed
@@ -25,7 +25,7 @@ struct CfgT;
 
 fn ignore_external() {
     external! {
-        #[allow(clippy::needless_borrow)]
+        #[allow(clippy::needless_borrow)] // Should not lint
         fn a() {}
     }
 }