diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index 632ab41eae45b6b5800b9b16ee8190ab6e0b7472..f82b636ebef08e48652fd3cfe2f2c4ea62387fc0 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -519,7 +519,6 @@ static void freeTableCachedVal(void* param) {
 
 //const void *key, size_t keyLen, void *value
 static void freeCachedMetaItem(const void *key, size_t keyLen, void *value) {
-  taosMemoryFree((void*)key);
   freeTableCachedVal(value);
 }