diff --git a/src/backend/distributed/metadata/metadata_cache.c b/src/backend/distributed/metadata/metadata_cache.c
index 531db2796..862eb0bfc 100644
--- a/src/backend/distributed/metadata/metadata_cache.c
+++ b/src/backend/distributed/metadata/metadata_cache.c
@@ -206,6 +206,7 @@ typedef struct MetadataCacheData
 	Oid distTransactionGroupIndexId;
 	Oid distTenantSchemaPrimaryKeyIndexId;
 	Oid distTenantSchemaUniqueColocationIdIndexId;
+	Oid citusCatalogNamespaceId;
 	Oid copyFormatTypeId;
 	Oid readIntermediateResultFuncId;
 	Oid readIntermediateResultArrayFuncId;
diff --git a/src/backend/distributed/shared_library_init.c b/src/backend/distributed/shared_library_init.c
index c510c2d30..886517464 100644
--- a/src/backend/distributed/shared_library_init.c
+++ b/src/backend/distributed/shared_library_init.c
@@ -172,8 +172,6 @@ static GucStringAssignHook OldApplicationNameAssignHook = NULL;
  */
 static bool FinishedStartupCitusBackend = false;
 
-char *CitusMainDatabase = "postgres";
-
 static object_access_hook_type PrevObjectAccessHook = NULL;
 
 #if PG_VERSION_NUM >= PG_VERSION_15