diff --git a/lib/ivis_common/piestate.c b/lib/ivis_common/piestate.c
index 5037d2a77..42a96933b 100644
--- a/lib/ivis_common/piestate.c
+++ b/lib/ivis_common/piestate.c
@@ -52,10 +52,6 @@ void pie_SetDefaultStates(void)//Sets all states
 	//chroma keying on black
 	rendStates.keyingOn = FALSE;//to force reset to true
 	pie_SetColourKeyedBlack(TRUE);
-
-	//bilinear filtering
-	rendStates.bilinearOn = FALSE;//to force reset to true
-	pie_SetBilinear(TRUE);
 }
 
 
@@ -231,20 +227,6 @@ void pie_SetRendMode(REND_MODE rendMode)
 	return;
 }
 
-void pie_SetBilinear(BOOL bilinearOn)
-{
-	if (bilinearOn != rendStates.bilinearOn)
-	{
-		rendStates.bilinearOn = bilinearOn;
-		pieStateCount++;
-	}
-}
-
-BOOL pie_GetBilinear(void)
-{
-	return rendStates.bilinearOn;
-}
-
 static void pie_SetTexCombine(TEX_MODE texCombMode)
 {
 	if (texCombMode != rendStates.texCombine)
diff --git a/lib/ivis_common/piestate.h b/lib/ivis_common/piestate.h
index ac24f333a..9f41ba033 100644
--- a/lib/ivis_common/piestate.h
+++ b/lib/ivis_common/piestate.h
@@ -124,17 +124,12 @@ typedef struct	RENDER_STATE
 					UDWORD				fogColour;
 					SDWORD				texPage;
 					REND_MODE			rendMode;
-					BOOL				bilinearOn;
 					BOOL				keyingOn;
 					COLOUR_MODE			colourCombine;
 					TEX_MODE			texCombine;
 					ALPHA_MODE			alphaCombine;
 					TRANSLUCENCY_MODE	transMode;
 					UDWORD				colour;
-#ifdef STATES
-					BOOL				textured;
-					UBYTE				lightLevel;
-#endif
 				}
 				RENDER_STATE;
 
@@ -173,8 +168,6 @@ extern UDWORD pie_GetFogColour(void) WZ_DECL_PURE;
 extern void pie_UpdateFogDistance(float begin, float end);
 //render states
 extern void pie_SetTexturePage(SDWORD num);
-extern void pie_SetBilinear(BOOL bilinearOn);
-extern BOOL pie_GetBilinear(void);
 extern void pie_SetColourKeyedBlack(BOOL keyingOn);
 extern void pie_SetRendMode(REND_MODE rendMode);
 extern void pie_SetColour(UDWORD val);
diff --git a/lib/ivis_opengl/pieblitfunc.c b/lib/ivis_opengl/pieblitfunc.c
index 669630411..f8b1b94fd 100644
--- a/lib/ivis_opengl/pieblitfunc.c
+++ b/lib/ivis_opengl/pieblitfunc.c
@@ -231,7 +231,6 @@ void pie_ImageFileID(IMAGEFILE *ImageFile, UWORD ID, int x, int y)
 	assert(ID < ImageFile->Header.NumImages);
 	Image = &ImageFile->ImageDefs[ID];
 
-	pie_SetBilinear(FALSE);
 	pie_SetRendMode(REND_GOURAUD_TEX);
 	pie_SetColour(COLOURINTENSITY);
 	pie_SetColourKeyedBlack(TRUE);
@@ -259,7 +258,6 @@ void pie_ImageFileIDTile(IMAGEFILE *ImageFile, UWORD ID, int x, int y, int Width
 
 	Image = &ImageFile->ImageDefs[ID];
 
-	pie_SetBilinear(FALSE);
 	pie_SetRendMode(REND_GOURAUD_TEX);
 	pie_SetColour(COLOURINTENSITY);
 	pie_SetColourKeyedBlack(TRUE);
@@ -378,7 +376,6 @@ void pie_RenderRadar( int x, int y )
 	PIEIMAGE pieImage;
 	PIERECT dest;
 
-	pie_SetBilinear(TRUE);
 	pie_SetRendMode(REND_GOURAUD_TEX);
 	pie_SetColour(COLOURINTENSITY);
 	pie_SetColourKeyedBlack(TRUE);
diff --git a/lib/ivis_opengl/piedraw.c b/lib/ivis_opengl/piedraw.c
index 829806170..7cda541fd 100644
--- a/lib/ivis_opengl/piedraw.c
+++ b/lib/ivis_opengl/piedraw.c
@@ -346,7 +346,6 @@ static void pie_Draw3DShape2(iIMDShape *shape, int frame, PIELIGHT colour, PIELI
 		pie_SetFogStatus(FALSE);
 		pie_SetRendMode(REND_ADDITIVE_TEX);
 		colour.byte.a = (UBYTE)pieFlagData;
-		pie_SetBilinear(TRUE);
 		light = FALSE;
 	}
 	else if (pieFlag & pie_TRANSLUCENT)
@@ -354,7 +353,6 @@ static void pie_Draw3DShape2(iIMDShape *shape, int frame, PIELIGHT colour, PIELI
 		pie_SetFogStatus(FALSE);
 		pie_SetRendMode(REND_ALPHA_TEX);
 		colour.byte.a = (UBYTE)pieFlagData;
-		pie_SetBilinear(FALSE);//never bilinear with constant alpha, gives black edges
 		light = FALSE;
 	}
 	else
@@ -369,15 +367,6 @@ static void pie_Draw3DShape2(iIMDShape *shape, int frame, PIELIGHT colour, PIELI
 			pie_SetFogStatus(TRUE);
 		}
 		pie_SetRendMode(REND_GOURAUD_TEX);
-		//if hardware fog then alpha is set else unused in decal mode
-		if (pieFlag & pie_NO_BILINEAR)
-		{
-			pie_SetBilinear(FALSE);
-		}
-		else
-		{
-			pie_SetBilinear(TRUE);
-		}
 	}
 
 	if (pieFlag & pie_RAISE)
diff --git a/src/display3d.c b/src/display3d.c
index 7781f3b70..02b2dfad9 100644
--- a/src/display3d.c
+++ b/src/display3d.c
@@ -789,7 +789,6 @@ static void drawTiles(iView *camera, iView *player)
 	// Draw all the normal tiles
 	pie_SetColourKeyedBlack(TRUE);
 	pie_SetFogStatus(TRUE);
-	pie_SetBilinear(TRUE);
 	for (i = 0; i < MIN(visibleTiles.y, mapHeight); i++)
 	{
 		for (j = 0; j < MIN(visibleTiles.x, mapWidth); j++)
@@ -1208,8 +1207,6 @@ void	renderProjectile(PROJECTILE *psCurr)
 		psStats->weaponSubClass == WSC_SLOWROCKET || psStats->weaponSubClass == WSC_SLOWMISSILE)
 		{
 			pie_Draw3DShape(pIMD, 0, 0, brightness, 0, pie_ADDITIVE, 164);
-
-//			pie_Draw3DShape(pIMD, 0, 0, brightness, specular, pie_NO_BILINEAR, 0);
 		}
 		else
 		{