diff --git a/source/libs/executor/src/tsort.c b/source/libs/executor/src/tsort.c
index e1cd8b822f..a779a278cd 100644
--- a/source/libs/executor/src/tsort.c
+++ b/source/libs/executor/src/tsort.c
@@ -1189,7 +1189,6 @@ static int32_t freeExtRowMemFileWriteBuf(SSortHandle* pHandle) {
 
   taosMemoryFree(pMemFile->writePageBuf);
   pMemFile->writePageBuf = NULL;
-  taosMemoryTrim(0);
   return TSDB_CODE_SUCCESS;
 }