diff --git a/clippy_lints/src/redundant_type_annotations.rs b/clippy_lints/src/redundant_type_annotations.rs
index c4edb1bb6f9d..00c91fae6506 100644
--- a/clippy_lints/src/redundant_type_annotations.rs
+++ b/clippy_lints/src/redundant_type_annotations.rs
@@ -102,7 +102,8 @@ fn is_redundant_in_func_call<'tcx>(
 impl LateLintPass<'_> for RedundantTypeAnnotations {
     fn check_local<'tcx>(&mut self, cx: &LateContext<'tcx>, local: &'tcx rustc_hir::Local<'tcx>) {
         // type annotation part
-        if let Some(ty) = &local.ty
+        if !local.span.from_expansion()
+            && let Some(ty) = &local.ty
             && let hir::TyKind::Path(ty_path) = &ty.kind
             && let hir::QPath::Resolved(_, resolved_path_ty) = ty_path