diff --git a/designer_base/src/com/fr/design/gui/ibutton/UIButtonGroup.java b/designer_base/src/com/fr/design/gui/ibutton/UIButtonGroup.java
index f12eec0cb2..8a266a2a1e 100644
--- a/designer_base/src/com/fr/design/gui/ibutton/UIButtonGroup.java
+++ b/designer_base/src/com/fr/design/gui/ibutton/UIButtonGroup.java
@@ -1,12 +1,6 @@
 package com.fr.design.gui.ibutton;
 
-import java.awt.BorderLayout;
-import java.awt.Graphics;
-import java.awt.Graphics2D;
-import java.awt.GridLayout;
-import java.awt.Insets;
-import java.awt.RenderingHints;
-import java.awt.Shape;
+import java.awt.*;
 import java.awt.event.ActionListener;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
@@ -174,7 +168,7 @@ public class UIButtonGroup<T> extends JPanel implements GlobalNameObserver {
 		return BorderFactory.createEmptyBorder(1, 1, 1, 1);
 	}
 
-	protected GridLayout getGridLayout(int number) {
+	protected LayoutManager getGridLayout(int number) {
 		return new GridLayout(0, number, 1, 0);
 	}
 
diff --git a/designer_base/src/com/fr/design/gui/ibutton/UITabGroup.java b/designer_base/src/com/fr/design/gui/ibutton/UITabGroup.java
index 7f6ec850a2..406dc8bff7 100644
--- a/designer_base/src/com/fr/design/gui/ibutton/UITabGroup.java
+++ b/designer_base/src/com/fr/design/gui/ibutton/UITabGroup.java
@@ -1,9 +1,6 @@
 package com.fr.design.gui.ibutton;
 
-import java.awt.Graphics;
-import java.awt.Graphics2D;
-import java.awt.GridLayout;
-import java.awt.RenderingHints;
+import java.awt.*;
 
 import javax.swing.BorderFactory;
 import javax.swing.Icon;
@@ -38,7 +35,7 @@ public class UITabGroup extends UIButtonGroup<Integer> {
     }
 
     @Override
-    protected GridLayout getGridLayout(int number) {
+    protected LayoutManager getGridLayout(int number) {
         if (number < BUTTON_NUMBER || isOneLineTab) {
             return super.getGridLayout(number);
         } else if (number == BUTTON_NUMBER || number == SEVEN_NUMBER) {