diff --git a/src/micropolisj/engine/Micropolis.java b/src/micropolisj/engine/Micropolis.java
index df39cd1..825bf27 100644
--- a/src/micropolisj/engine/Micropolis.java
+++ b/src/micropolisj/engine/Micropolis.java
@@ -100,8 +100,6 @@ public class Micropolis
 	public Speed simSpeed = Speed.NORMAL;
 	public boolean noDisasters = false;
 
-	public static final int MIN_LEVEL = 0;
-	public static final int MAX_LEVEL = 2;
 	public int gameLevel;
 
 	boolean autoGo;
diff --git a/src/micropolisj/gui/MainWindow.java b/src/micropolisj/gui/MainWindow.java
index 39dde93..4d74d34 100644
--- a/src/micropolisj/gui/MainWindow.java
+++ b/src/micropolisj/gui/MainWindow.java
@@ -1244,7 +1244,7 @@ public class MainWindow extends JFrame
 		{
 			priorityMenuItems.get(spd).setSelected(getEngine().simSpeed == spd);
 		}
-		for (int i = Micropolis.MIN_LEVEL; i <= Micropolis.MAX_LEVEL; i++)
+		for (int i = GameLevel.MIN_LEVEL; i <= GameLevel.MAX_LEVEL; i++)
 		{
 			difficultyMenuItems.get(i).setSelected(getEngine().gameLevel == i);
 		}