diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/glue/translator/PhysicalPlanTranslator.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/glue/translator/PhysicalPlanTranslator.java
index 41be06be44da4eb..ef9739fcdecc00f 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/glue/translator/PhysicalPlanTranslator.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/glue/translator/PhysicalPlanTranslator.java
@@ -1813,7 +1813,6 @@ public PlanFragment visitPhysicalRepeat(PhysicalRepeat<? extends Plan> repeat, P
         RepeatNode repeatNode = new RepeatNode(context.nextPlanNodeId(),
                 inputPlanFragment.getPlanRoot(), groupingInfo, repeatSlotIdList,
                 allSlotId, repeat.computeVirtualSlotValues(sortedVirtualSlots));
-        repeatNode.setNumInstances(inputPlanFragment.getPlanRoot().getNumInstances());
         addPlanRoot(inputPlanFragment, repeatNode, repeat);
         updateLegacyPlanIdToPhysicalPlan(inputPlanFragment.getPlanRoot(), repeat);
         return inputPlanFragment;
@@ -1898,7 +1897,6 @@ public PlanFragment visitPhysicalWindow(PhysicalWindow<? extends Plan> physicalW
                 orderElementsIsNullableMatched,
                 bufferedTupleDesc
         );
-        analyticEvalNode.setNumInstances(inputPlanFragment.getPlanRoot().getNumInstances());
         inputPlanFragment.addPlanRoot(analyticEvalNode);
         return inputPlanFragment;
     }