diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index 6784b05e84..47a260c147 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -5988,7 +5988,6 @@ int32_t tDecodeSMqDataRsp(SDecoder *pDecoder, SMqDataRsp *pRsp) {
         if (pSW == NULL) return -1;
         if (tDecodeSSchemaWrapper(pDecoder, pSW) < 0) return -1;
         taosArrayPush(pRsp->blockSchema, &pSW);
-        taosMemoryFree(pSW);
       }
 
       if (pRsp->withTbName) {