diff --git a/src/cm_server/cms_global_params.cpp b/src/cm_server/cms_global_params.cpp
index fc165491507bd2cecf414ca7b146e058ca770a7d..fc05af8ba670be558c04fb187501d745b31e4b6c 100644
--- a/src/cm_server/cms_global_params.cpp
+++ b/src/cm_server/cms_global_params.cpp
@@ -1028,24 +1028,6 @@ static void ReportAlarmAndSendRestart(
     (void)RespondMsg(recvMsgInfo, 'S', (const char *)&restartMsg, sizeof(cm_to_agent_restart));
 }
 
-static void CheckLocalDnIsPrimaryAndChangePrimaryIdx(uint32 groupIdx, int32 memIdx, int32 oMemIdx)
-{
-    if (oMemIdx == -1) {
-        return;
-    }
-    cm_instance_datanode_report_status *dnReport =
-        g_instance_group_report_status_ptr[groupIdx].instance_status.data_node_member;
-    cm_instance_datanode_report_status *curRep = &(dnReport[memIdx]);
-    if (curRep->local_status.local_role == INSTANCE_ROLE_PRIMARY &&
-        g_instance_role_group_ptr[groupIdx].instanceMember[memIdx].role == INSTANCE_ROLE_PRIMARY &&
-        dnReport[oMemIdx].phony_dead_times == 0) {
-        if (!g_multi_az_cluster || (g_instance_group_report_status_ptr[groupIdx].instance_status.term <=
-                                       dnReport[oMemIdx].local_status.term)) {
-            ChangeDnPrimaryMemberIndex(groupIdx, oMemIdx);
-        }
-    }
-}
-
 static void RestInstDynamicRoleToUnkown(int32 *localRole, int32 phonyDeadTimes, uint32 instd, int32 instType)
 {
     if (phonyDeadTimes >= phony_dead_effective_time && (*localRole == INSTANCE_ROLE_PRIMARY)) {
@@ -1128,7 +1110,6 @@ static void DealDnPhonyDead(MsgRecvInfo* recvMsgInfo, uint32 groupIdx, int32 mem
             return;
         }
         ReportAlarmAndSendRestart(recvMsgInfo, groupIdx, memIdx, otherMemIdx, INSTANCE_TYPE_DATANODE);
-        CheckLocalDnIsPrimaryAndChangePrimaryIdx(groupIdx, memIdx, otherMemIdx);
     }
 }