diff --git a/paimon-core/src/main/java/org/apache/paimon/utils/BranchManager.java b/paimon-core/src/main/java/org/apache/paimon/utils/BranchManager.java
index bd44491017f73..2ade1fbf06fe7 100644
--- a/paimon-core/src/main/java/org/apache/paimon/utils/BranchManager.java
+++ b/paimon-core/src/main/java/org/apache/paimon/utils/BranchManager.java
@@ -31,7 +31,12 @@
 import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Set;
+import java.util.SortedMap;
 import java.util.stream.Collectors;
 
 import static org.apache.paimon.utils.FileUtils.listVersionedFileStatus;