diff --git a/be/src/runtime/fragment_mgr.cpp b/be/src/runtime/fragment_mgr.cpp
index 9b93309cc4ac2ee..b9f1a0ecb3b6d7f 100644
--- a/be/src/runtime/fragment_mgr.cpp
+++ b/be/src/runtime/fragment_mgr.cpp
@@ -237,7 +237,6 @@ inline uint32_t get_map_id(const TUniqueId& query_id, size_t capacity) {
 inline uint32_t get_map_id(std::pair<TUniqueId, int> key, size_t capacity) {
     uint32_t value = HashUtil::hash(&key.first.lo, 8, 0);
     value = HashUtil::hash(&key.first.hi, 8, value);
-    value = HashUtil::hash(&key.second, 4, value);
     return value % capacity;
 }