diff --git a/source/libs/catalog/src/ctgCache.c b/source/libs/catalog/src/ctgCache.c
index 958f78eb36..78905863fe 100644
--- a/source/libs/catalog/src/ctgCache.c
+++ b/source/libs/catalog/src/ctgCache.c
@@ -2886,7 +2886,6 @@ int32_t ctgGetTbMetasFromCache(SCatalog *pCtg, SRequestConnInfo *pConn, SCtgTbMe
     if (tbMeta->tableType != TSDB_CHILD_TABLE) {
       int32_t schemaExtSize = 0;
       int32_t metaSize = CTG_META_SIZE(tbMeta);
-      pTableMeta = taosMemoryCalloc(1, metaSize);
       if (tbMeta->schemaExt != NULL) {
         schemaExtSize = tbMeta->tableInfo.numOfColumns * sizeof(SSchemaExt);
       }