diff --git a/designer-base/src/main/java/com/fr/design/file/HistoryTemplateListPane.java b/designer-base/src/main/java/com/fr/design/file/HistoryTemplateListPane.java
index 22b9ab7c0..7e2f34593 100644
--- a/designer-base/src/main/java/com/fr/design/file/HistoryTemplateListPane.java
+++ b/designer-base/src/main/java/com/fr/design/file/HistoryTemplateListPane.java
@@ -22,7 +22,6 @@ import com.fr.general.Inter;
 import com.fr.log.FineLoggerFactory;
 import com.fr.stable.Constants;
 import com.fr.stable.StableUtils;
-import com.fr.stable.StringUtils;
 import com.fr.stable.project.ProjectConstants;
 import com.fr.workspace.WorkContext;