diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rules/OrToIn.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rules/OrToIn.java
index babefe5bab08a5..136b40af5847c9 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rules/OrToIn.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rules/OrToIn.java
@@ -36,7 +36,6 @@
 import com.google.common.collect.Sets;
 
 import java.util.ArrayList;
-import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.LinkedHashSet;
 import java.util.List;