diff --git a/tools/cooja/apps/mspsim/src/org/contikios/cooja/mspmote/interfaces/ESBButton.java b/tools/cooja/apps/mspsim/src/org/contikios/cooja/mspmote/interfaces/ESBButton.java
index c722e74eb..def3d207e 100644
--- a/tools/cooja/apps/mspsim/src/org/contikios/cooja/mspmote/interfaces/ESBButton.java
+++ b/tools/cooja/apps/mspsim/src/org/contikios/cooja/mspmote/interfaces/ESBButton.java
@@ -30,11 +30,7 @@
 
 package org.contikios.cooja.mspmote.interfaces;
 
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
 import java.util.Collection;
-import javax.swing.JButton;
-import javax.swing.JPanel;
 import org.apache.log4j.Logger;
 import org.jdom.Element;
 
@@ -76,24 +72,6 @@ public class ESBButton extends Button {
     return false;
   }
 
-  public JPanel getInterfaceVisualizer() {
-    JPanel panel = new JPanel();
-    final JButton clickButton = new JButton("Click button");
-
-    panel.add(clickButton);
-
-    clickButton.addActionListener(new ActionListener() {
-      public void actionPerformed(ActionEvent e) {
-        clickButton();
-      }
-    });
-
-    return panel;
-  }
-
-  public void releaseInterfaceVisualizer(JPanel panel) {
-  }
-
   public Collection<Element> getConfigXML() {
     return null;
   }
diff --git a/tools/cooja/apps/mspsim/src/org/contikios/cooja/mspmote/interfaces/MspButton.java b/tools/cooja/apps/mspsim/src/org/contikios/cooja/mspmote/interfaces/MspButton.java
index 5136485e7..28d4f32b2 100644
--- a/tools/cooja/apps/mspsim/src/org/contikios/cooja/mspmote/interfaces/MspButton.java
+++ b/tools/cooja/apps/mspsim/src/org/contikios/cooja/mspmote/interfaces/MspButton.java
@@ -28,11 +28,7 @@
  */
 
 package org.contikios.cooja.mspmote.interfaces;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
 import java.util.Collection;
-import javax.swing.JButton;
-import javax.swing.JPanel;
 import org.jdom.Element;
 import org.contikios.cooja.ClassDescription;
 import org.contikios.cooja.Mote;
@@ -87,26 +83,6 @@ public class MspButton extends Button {
         return button.isPressed();
     }
 
-    @Override
-    public JPanel getInterfaceVisualizer() {
-        final JPanel panel = new JPanel();
-        final JButton clickButton = new JButton("Click button");
-
-        panel.add(clickButton);
-
-        clickButton.addActionListener(new ActionListener() {
-            public void actionPerformed(ActionEvent e) {
-                clickButton();
-            }
-        });
-
-        return panel;
-    }
-
-    @Override
-    public void releaseInterfaceVisualizer(JPanel panel) {
-    }
-
     @Override
     public Collection<Element> getConfigXML() {
         return null;
diff --git a/tools/cooja/apps/mspsim/src/org/contikios/cooja/mspmote/interfaces/SkyButton.java b/tools/cooja/apps/mspsim/src/org/contikios/cooja/mspmote/interfaces/SkyButton.java
index 6b1711b63..04cd767b5 100644
--- a/tools/cooja/apps/mspsim/src/org/contikios/cooja/mspmote/interfaces/SkyButton.java
+++ b/tools/cooja/apps/mspsim/src/org/contikios/cooja/mspmote/interfaces/SkyButton.java
@@ -30,12 +30,8 @@
 
 package org.contikios.cooja.mspmote.interfaces;
 
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
 import java.util.Collection;
 
-import javax.swing.JButton;
-import javax.swing.JPanel;
 
 import org.apache.log4j.Logger;
 import org.jdom.Element;
@@ -103,23 +99,6 @@ public class SkyButton extends Button {
     return false;
   }
 
-  public JPanel getInterfaceVisualizer() {
-    JPanel panel = new JPanel();
-    final JButton clickButton = new JButton("Click button");
-
-    panel.add(clickButton);
-
-    clickButton.addActionListener(new ActionListener() {
-      public void actionPerformed(ActionEvent e) {
-        clickButton();
-      }
-    });
-
-    return panel;
-  }
-
-  public void releaseInterfaceVisualizer(JPanel panel) {
-  }
 
   public Collection<Element> getConfigXML() {
     return null;
diff --git a/tools/cooja/java/org/contikios/cooja/contikimote/interfaces/ContikiButton.java b/tools/cooja/java/org/contikios/cooja/contikimote/interfaces/ContikiButton.java
index 852383a09..f0e9fa359 100644
--- a/tools/cooja/java/org/contikios/cooja/contikimote/interfaces/ContikiButton.java
+++ b/tools/cooja/java/org/contikios/cooja/contikimote/interfaces/ContikiButton.java
@@ -30,9 +30,7 @@
 
 package org.contikios.cooja.contikimote.interfaces;
 
-import java.awt.event.*;
 import java.util.Collection;
-import javax.swing.*;
 import org.apache.log4j.Logger;
 import org.jdom.Element;
 
@@ -164,24 +162,6 @@ public class ContikiButton extends Button implements ContikiMoteInterface {
     return moteMem.getByteValueOf("simButtonIsDown") == 1;
   }
 
-  public JPanel getInterfaceVisualizer() {
-    JPanel panel = new JPanel();
-    final JButton clickButton = new JButton("Click button");
-
-    panel.add(clickButton);
-
-    clickButton.addActionListener(new ActionListener() {
-      public void actionPerformed(ActionEvent e) {
-        clickButton();
-      }
-    });
-
-    return panel;
-  }
-
-  public void releaseInterfaceVisualizer(JPanel panel) {
-  }
-
   public Collection<Element> getConfigXML() {
     return null;
   }
diff --git a/tools/cooja/java/org/contikios/cooja/interfaces/Button.java b/tools/cooja/java/org/contikios/cooja/interfaces/Button.java
index 549c5ba65..cb50a16e4 100644
--- a/tools/cooja/java/org/contikios/cooja/interfaces/Button.java
+++ b/tools/cooja/java/org/contikios/cooja/interfaces/Button.java
@@ -30,6 +30,10 @@
 
 package org.contikios.cooja.interfaces;
 
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import javax.swing.JButton;
+import javax.swing.JPanel;
 import org.contikios.cooja.*;
 
 /**
@@ -62,4 +66,23 @@ public abstract class Button extends MoteInterface {
    * @return True if button is pressed
    */
   public abstract boolean isPressed();
+
+  public JPanel getInterfaceVisualizer() {
+    JPanel panel = new JPanel();
+    final JButton clickButton = new JButton("Click button");
+
+    panel.add(clickButton);
+
+    clickButton.addActionListener(new ActionListener() {
+      public void actionPerformed(ActionEvent e) {
+        clickButton();
+      }
+    });
+
+    return panel;
+  }
+
+  public void releaseInterfaceVisualizer(JPanel panel) {
+  }
+
 }