diff --git a/polymer/eduke32/source/jmact/mouse.c b/polymer/eduke32/source/jmact/mouse.c
index 81d0f861b..e3b939f00 100644
--- a/polymer/eduke32/source/jmact/mouse.c
+++ b/polymer/eduke32/source/jmact/mouse.c
@@ -70,20 +70,5 @@ int32_t MOUSE_GetButtons(void)
 }
 
 
-int32_t MOUSE_ClearButton(int32_t b)
-{
-    return (mouseb &= ~b);
-}
-void MOUSE_ClearAllButtons(void)
-{
-    mouseb = 0;
-}
-
-
-void MOUSE_GetDelta(int32_t*x, int32_t*y)
-{
-    readmousexy(x,y);
-}
-
 
 
diff --git a/polymer/eduke32/source/jmact/mouse.h b/polymer/eduke32/source/jmact/mouse.h
index ac7790b3d..3244c52f4 100644
--- a/polymer/eduke32/source/jmact/mouse.h
+++ b/polymer/eduke32/source/jmact/mouse.h
@@ -46,9 +46,9 @@ void    MOUSE_Shutdown( void );
 //void    MOUSE_ShowCursor( void );
 //void    MOUSE_HideCursor( void );
 int32_t MOUSE_GetButtons( void );
-int32_t	MOUSE_ClearButton( int32_t b );
-void	MOUSE_ClearAllButtons(void);
-void    MOUSE_GetDelta( int32_t*x, int32_t*y  );
+#define	MOUSE_ClearButton(b) (mouseb &= ~b)
+#define MOUSE_ClearAllButtons() mouseb = 0
+#define MOUSE_GetDelta(x, y) readmousexy(x,y)
 
 #ifdef EXTERNC
 };