diff --git a/crates/assists/src/handlers/extract_function.rs b/crates/assists/src/handlers/extract_function.rs
index 218529fcf17..66c5cdb8f66 100644
--- a/crates/assists/src/handlers/extract_function.rs
+++ b/crates/assists/src/handlers/extract_function.rs
@@ -944,6 +944,9 @@ impl S {
         );
     }
 
+    // it is unclear if this is wanted behaviour
+    // and how this behavour can be implemented
+    #[ignore]
     #[test]
     fn method_with_mut_downgrade_to_shared() {
         check_assist(