diff --git a/src/avp/win95/vision.c b/src/avp/win95/vision.c
index ad95ae5..d705783 100644
--- a/src/avp/win95/vision.c
+++ b/src/avp/win95/vision.c
@@ -47,7 +47,6 @@ extern int NormalFrameTime;
 extern int GlobalAmbience;
 /* JH 29/5/97 - to control how D3D does the lighting */
 struct D3DLightColourControl d3d_light_ctrl;
-struct D3DOverlayColourControl d3d_overlay_ctrl;
 /*KJL****************************************************************************************
 *                                     F U N C T I O N S	                                    *
 ****************************************************************************************KJL*/
diff --git a/src/avp/win95/vision.h b/src/avp/win95/vision.h
index 0e2aa00..998b471 100644
--- a/src/avp/win95/vision.h
+++ b/src/avp/win95/vision.h
@@ -60,29 +60,6 @@ struct D3DLightColourControl
 };
 extern struct D3DLightColourControl d3d_light_ctrl;
 
-/* JH 6/4/97 - define a structure to control an alpha channelled coloured overlay */
-//extern D3DINFO d3d;
-//#define d3d_overlays_available ((d3d.ThisDriver.dpcTriCaps.dwSrcBlendCaps & (D3DPBLENDCAPS_SRCALPHA|D3DPBLENDCAPS_INVSRCALPHA))==(D3DPBLENDCAPS_SRCALPHA|D3DPBLENDCAPS_INVSRCALPHA))
-#define d3d_overlays_available 1
-
-enum D3DOCC_Mode
-{
-	OCCM_NORMAL, /* default behaviour - all other parms ignored */
-	OCCM_ON, /* r,g,b,alpha specify a colour of a light to use instead of white */
-};
-
-struct D3DOverlayColourControl
-{
-	enum D3DOCC_Mode ctrl;
-
-	/* these should be in [0..255] */
-	int r;
-	int g;
-	int b;
-	int alpha;
-};
-
-
 /* KJL 17:07:29 10/02/98 - all new vision modes */
 enum VISION_MODE_ID
 {
diff --git a/src/main.c b/src/main.c
index 11eaa94..5081210 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1260,7 +1260,6 @@ if (AvP_MainMenus())
 	
 	/* turn off any special effects */
 	d3d_light_ctrl.ctrl = LCCM_NORMAL;
-	d3d_overlay_ctrl.ctrl = OCCM_NORMAL;
 	
 	SetOGLVideoMode(VideoModeList[CurrentVideoMode].w, VideoModeList[CurrentVideoMode].h);