--- a/pallets/unique/src/lib.rs
+++ b/pallets/unique/src/lib.rs
@@ -237,10 +237,6 @@
 		}
 
 		fn on_runtime_upgrade() -> Weight {
-			let limit = None;
-
-			<VariableMetaDataBasket<T>>::remove_all(limit);
-
 			0
 		}