ProjectPlane/ProjectPlane/AbstractMap.cs

@@ -162,10 +162,7 @@ namespace ProjectPlane
             {
                 return false;
             }
-            if (other == null)
-            {
-                return false;
-            }
+           
             if (_width != other._width) return false;
             if (_height != other._height) return false;
             if (_size_x != other._size_x) return false;