diff --git a/source/libs/stream/src/streamBackendRocksdb.c b/source/libs/stream/src/streamBackendRocksdb.c
index a29ac67cfe..99bcfd744f 100644
--- a/source/libs/stream/src/streamBackendRocksdb.c
+++ b/source/libs/stream/src/streamBackendRocksdb.c
@@ -398,6 +398,7 @@ int32_t delObsoleteCheckpoint(void* arg, const char* path) {
       taosRemoveDir(tbuf);
     }
   }
+  taosArrayDestroy(checkpointDel);
   return 0;
 }
 int32_t streamBackendDoCheckpoint(void* arg, const char* path) {