diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/logical/LogicalIntersect.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/logical/LogicalIntersect.java
index 06f0f7d0ce6c4e..610a40ac96af3c 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/logical/LogicalIntersect.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/logical/LogicalIntersect.java
@@ -107,9 +107,7 @@ public LogicalIntersect withNewOutputs(List<NamedExpression> newOutputs) {
     Map<Slot, Slot> constructReplaceMap() {
         Map<Slot, Slot> replaceMap = new HashMap<>();
         for (int i = 0; i < children.size(); i++) {
-            List<? extends Slot> originOutputs = this.regularChildrenOutputs.size() == children.size()
-                    ? child(i).getOutput()
-                    : regularChildrenOutputs.get(i);
+            List<? extends Slot> originOutputs = regularChildrenOutputs.get(i);
             for (int j = 0; j < originOutputs.size(); j++) {
                 replaceMap.put(originOutputs.get(j), getOutput().get(j));
             }
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/physical/PhysicalIntersect.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/physical/PhysicalIntersect.java
index 3194939a9e6481..e05763442ccc4f 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/physical/PhysicalIntersect.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/physical/PhysicalIntersect.java
@@ -118,9 +118,7 @@ public PhysicalIntersect resetLogicalProperties() {
     Map<Slot, Slot> constructReplaceMap() {
         Map<Slot, Slot> replaceMap = new HashMap<>();
         for (int i = 0; i < children.size(); i++) {
-            List<? extends Slot> originOutputs = this.regularChildrenOutputs.size() == children.size()
-                    ? child(i).getOutput()
-                    : regularChildrenOutputs.get(i);
+            List<? extends Slot> originOutputs = regularChildrenOutputs.get(i);
             for (int j = 0; j < originOutputs.size(); j++) {
                 replaceMap.put(originOutputs.get(j), getOutput().get(j));
             }