diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/RuleSet.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/RuleSet.java
index 827addda77115f..8dc57fb8fa54c6 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/RuleSet.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/RuleSet.java
@@ -18,7 +18,6 @@
 package org.apache.doris.nereids.rules;
 
 import org.apache.doris.nereids.rules.exploration.IntersectReorder;
-import org.apache.doris.nereids.rules.exploration.MergeProjectsCBO;
 import org.apache.doris.nereids.rules.exploration.TransposeAggSemiJoinProject;
 import org.apache.doris.nereids.rules.exploration.join.InnerJoinLAsscomProject;
 import org.apache.doris.nereids.rules.exploration.join.InnerJoinLeftAssociateProject;
@@ -141,7 +140,7 @@
 public class RuleSet {
 
     public static final List<Rule> EXPLORATION_RULES = planRuleFactories()
-            .add(new MergeProjectsCBO())
+            // .add(new MergeProjectsCBO())
             .add(IntersectReorder.INSTANCE)
             .build();