diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/jobs/cascades/OptimizeGroupExpressionJob.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/jobs/cascades/OptimizeGroupExpressionJob.java
index c56b808b7d..178818e660 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/jobs/cascades/OptimizeGroupExpressionJob.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/jobs/cascades/OptimizeGroupExpressionJob.java
@@ -39,6 +39,10 @@ public class OptimizeGroupExpressionJob extends Job {
 
     @Override
     public void execute() {
+        if (groupExpression.isUnused()) {
+            return;
+        }
+
         countJobExecutionTimesOfGroupExpressions(groupExpression);
         List<Rule> implementationRules = getRuleSet().getImplementationRules();
         List<Rule> explorationRules = getExplorationRules();