diff --git a/designer-base/src/main/java/com/fr/design/data/tabledata/tabledatapane/DBTableDataPane.java b/designer-base/src/main/java/com/fr/design/data/tabledata/tabledatapane/DBTableDataPane.java
index 2a603a3202..23e6f46136 100644
--- a/designer-base/src/main/java/com/fr/design/data/tabledata/tabledatapane/DBTableDataPane.java
+++ b/designer-base/src/main/java/com/fr/design/data/tabledata/tabledatapane/DBTableDataPane.java
@@ -60,8 +60,6 @@ import java.awt.event.FocusListener;
 import java.awt.event.KeyEvent;
 import java.awt.event.KeyListener;
 import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Iterator;
 import java.util.List;
 
 public class DBTableDataPane extends AbstractTableDataPane<DBTableData> {
diff --git a/designer-base/src/test/java/com/fr/design/utils/ParameterUtilsTest.java b/designer-base/src/test/java/com/fr/design/utils/ParameterUtilsTest.java
index 4ee52c7422..26a470e34d 100644
--- a/designer-base/src/test/java/com/fr/design/utils/ParameterUtilsTest.java
+++ b/designer-base/src/test/java/com/fr/design/utils/ParameterUtilsTest.java
@@ -1,7 +1,6 @@
 package com.fr.design.utils;
 
 import com.fr.base.Parameter;
-import com.fr.base.ParameterHelper;
 import junit.framework.TestCase;
 
 /**