diff --git a/pkg/storage/memorystorage/memory_storage.go b/pkg/storage/memorystorage/memory_storage.go
index 0938d9162..1f71149ba 100644
--- a/pkg/storage/memorystorage/memory_storage.go
+++ b/pkg/storage/memorystorage/memory_storage.go
@@ -94,7 +94,6 @@ func (s *StorageFactory) CleanClusterResource(ctx context.Context, cluster strin
 	if rs, ok := storages.resourceStorages[gvr]; ok {
 		rs.CrvSynchro.RemoveCluster(cluster)
 		rs.watchCache.CleanCluster(cluster)
-		delete(s.clusters, cluster)
 	}
 
 	return nil