diff --git a/source/graphics/GameView.h b/source/graphics/GameView.h
index b5e252d642..9249756793 100644
--- a/source/graphics/GameView.h
+++ b/source/graphics/GameView.h
@@ -18,10 +18,6 @@
 #ifndef INCLUDED_GAMEVIEW
 #define INCLUDED_GAMEVIEW
 
-// needed by minimap
-extern float g_MaxZoomHeight;	//note:  Max terrain height is this minus YMinOffset
-extern float g_YMinOffset;
-
 #include "renderer/Scene.h"
 #include "simulation2/system/Entity.h"