diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c
index 3b874ac5d..72afe04c2 100644
--- a/src/hardware/hw_main.c
+++ b/src/hardware/hw_main.c
@@ -73,26 +73,8 @@ void HWR_AddTransparentFloor(levelflat_t *levelflat, extrasubsector_t *xsub, boo
 void HWR_AddTransparentPolyobjectFloor(levelflat_t *levelflat, polyobj_t *polysector, boolean isceiling, fixed_t fixedheight,
                              INT32 lightlevel, INT32 alpha, sector_t *FOFSector, FBITFIELD blend, extracolormap_t *planecolormap);
 
-// ==========================================================================
-//                                                               VIEW GLOBALS
-// ==========================================================================
-// Fineangles in the SCREENWIDTH wide window.
-#define FIELDOFVIEW ANGLE_90
 #define ABS(x) ((x) < 0 ? -(x) : (x))
 
-static angle_t gl_clipangle;
-
-// The viewangletox[viewangle + FINEANGLES/4] lookup
-// maps the visible view angles to screen X coordinates,
-// flattening the arc to a flat projection plane.
-// There will be many angles mapped to the same X.
-static INT32 gl_viewangletox[FINEANGLES/2];
-
-// The xtoviewangleangle[] table maps a screen pixel
-// to the lowest viewangle that maps back to x ranges
-// from clipangle to -clipangle.
-static angle_t gl_xtoviewangle[MAXVIDWIDTH+1];
-
 // ==========================================================================
 //                                                                    GLOBALS
 // ==========================================================================
@@ -2958,78 +2940,6 @@ static void HWR_RenderBSPNode(INT32 bspnum)
 	HWR_Subsector(bspnum == -1 ? 0 : bspnum & ~NF_SUBSECTOR);
 }
 
-// ==========================================================================
-//                                                              FROM R_MAIN.C
-// ==========================================================================
-
-//BP : exactely the same as R_InitTextureMapping
-void HWR_InitTextureMapping(void)
-{
-	angle_t i;
-	INT32 x;
-	INT32 t;
-	fixed_t focallength;
-	fixed_t grcenterx;
-	fixed_t grcenterxfrac;
-	INT32 grviewwidth;
-
-#define clipanglefov (FIELDOFVIEW>>ANGLETOFINESHIFT)
-
-	grviewwidth = vid.width;
-	grcenterx = grviewwidth/2;
-	grcenterxfrac = grcenterx<<FRACBITS;
-
-	// Use tangent table to generate viewangletox:
-	//  viewangletox will give the next greatest x
-	//  after the view angle.
-	//
-	// Calc focallength
-	//  so FIELDOFVIEW angles covers SCREENWIDTH.
-	focallength = FixedDiv(grcenterxfrac,
-		FINETANGENT(FINEANGLES/4+clipanglefov/2));
-
-	for (i = 0; i < FINEANGLES/2; i++)
-	{
-		if (FINETANGENT(i) > FRACUNIT*2)
-			t = -1;
-		else if (FINETANGENT(i) < -FRACUNIT*2)
-			t = grviewwidth+1;
-		else
-		{
-			t = FixedMul(FINETANGENT(i), focallength);
-			t = (grcenterxfrac - t+FRACUNIT-1)>>FRACBITS;
-
-			if (t < -1)
-				t = -1;
-			else if (t > grviewwidth+1)
-				t = grviewwidth+1;
-		}
-		gl_viewangletox[i] = t;
-	}
-
-	// Scan viewangletox[] to generate xtoviewangle[]:
-	//  xtoviewangle will give the smallest view angle
-	//  that maps to x.
-	for (x = 0; x <= grviewwidth; x++)
-	{
-		i = 0;
-		while (gl_viewangletox[i]>x)
-			i++;
-		gl_xtoviewangle[x] = (i<<ANGLETOFINESHIFT) - ANGLE_90;
-	}
-
-	// Take out the fencepost cases from viewangletox.
-	for (i = 0; i < FINEANGLES/2; i++)
-	{
-		if (gl_viewangletox[i] == -1)
-			gl_viewangletox[i] = 0;
-		else if (gl_viewangletox[i] == grviewwidth+1)
-			gl_viewangletox[i]  = grviewwidth;
-	}
-
-	gl_clipangle = gl_xtoviewangle[0];
-}
-
 // ==========================================================================
 // gl_things.c
 // ==========================================================================
@@ -6060,7 +5970,7 @@ static void HWR_DrawSkyBackground(player_t *player)
 		// software doesn't draw any further than 1024 for skies anyway, but this doesn't overlap properly
 		// The only time this will probably be an issue is when a sky wider than 1024 is used as a sky AND a regular wall texture
 
-		angle = (dup_viewangle + gl_xtoviewangle[0]);
+		angle = (dup_viewangle + ANGLE_45);
 
 		dimensionmultiply = ((float)textures[texturetranslation[skytexture]]->width/256.0f);
 
diff --git a/src/hardware/hw_main.h b/src/hardware/hw_main.h
index 6f2d9ce5e..215dd7d8f 100644
--- a/src/hardware/hw_main.h
+++ b/src/hardware/hw_main.h
@@ -39,7 +39,6 @@ void HWR_RenderPlayerView(void);
 void HWR_ClearSkyDome(void);
 void HWR_BuildSkyDome(void);
 void HWR_DrawFlatFill(INT32 x, INT32 y, INT32 w, INT32 h, lumpnum_t flatlumpnum);
-void HWR_InitTextureMapping(void);
 void HWR_SetViewSize(void);
 void HWR_DrawStretchyFixedPatch(patch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscale, fixed_t vscale, INT32 option, const UINT8 *colormap);
 void HWR_DrawCroppedPatch(patch_t *gpatch, fixed_t x, fixed_t y, fixed_t scale, INT32 option, fixed_t sx, fixed_t sy, fixed_t w, fixed_t h);