diff --git a/fe/fe-core/src/main/java/org/apache/doris/planner/RepeatNode.java b/fe/fe-core/src/main/java/org/apache/doris/planner/RepeatNode.java
index 5fef371ec8..f9f136f208 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/planner/RepeatNode.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/planner/RepeatNode.java
@@ -24,10 +24,8 @@ import org.apache.doris.analysis.GroupByClause;
 import org.apache.doris.analysis.GroupingInfo;
 import org.apache.doris.analysis.SlotDescriptor;
 import org.apache.doris.analysis.SlotId;
-import org.apache.doris.analysis.SlotRef;
 import org.apache.doris.analysis.TupleDescriptor;
 import org.apache.doris.analysis.TupleId;
-import org.apache.doris.analysis.VirtualSlotRef;
 import org.apache.doris.common.UserException;
 import org.apache.doris.statistics.StatisticalType;
 import org.apache.doris.statistics.StatsRecursiveDerive;
@@ -126,12 +124,6 @@ public class RepeatNode extends PlanNode {
             outputTupleDesc.setTable(analyzer.getTupleDesc(inputTupleIds.get(0)).getTable());
         }
 
-        //set aggregate nullable
-        for (Expr slot : groupByClause.getGroupingExprs()) {
-            if (slot instanceof SlotRef && !(slot instanceof VirtualSlotRef)) {
-                ((SlotRef) slot).getDesc().setIsNullable(true);
-            }
-        }
         outputTupleDesc.computeStatAndMemLayout();
 
         List<Set<SlotId>> groupingIdList = new ArrayList<>();