diff --git a/engine/client/cl_screen.c b/engine/client/cl_screen.c
index d01fd42f8..f59392e86 100644
--- a/engine/client/cl_screen.c
+++ b/engine/client/cl_screen.c
@@ -157,10 +157,6 @@ int mouseusedforgui;
 int mousecursor_x, mousecursor_y;
 int mousemove_x, mousemove_y;
 
-// only the refresh window will be updated unless these variables are flagged
-int                     scr_copytop;
-int                     scr_copyeverything;
-
 float           scr_con_current;
 float           scr_conlines;           // lines of console to display
 
@@ -184,8 +180,6 @@ qboolean        scr_initialized;                // ready to draw
 mpic_t          *scr_net;
 mpic_t          *scr_turtle;
 
-int                     scr_fullupdate;
-
 int                     clearconsole;
 int                     clearnotify;
 
@@ -199,7 +193,6 @@ qboolean        scr_disabled_for_loading;
 qboolean        scr_drawloading;
 float           scr_disabled_time;
 
-qboolean        block_drawing;
 float oldsbar = 0;
 
 void SCR_ScreenShot_f (void);
@@ -396,7 +389,6 @@ void SCR_EraseCenterString (void)
 		else
 			y = 48;
 
-		scr_copytop = 1;
 		Draw_TileClear (0, y, vid.width, min(8*scr_erase_lines[pnum], vid.height - y - 1));
 	}
 }
@@ -537,7 +529,6 @@ extern qboolean sb_showscores;
 
 	for (pnum = 0; pnum < cl.splitclients; pnum++)
 	{
-		scr_copytop = 1;
 		if (scr_center_lines[pnum] > scr_erase_lines[pnum])
 			scr_erase_lines[pnum] = scr_center_lines[pnum];
 
@@ -876,7 +867,6 @@ void SCR_CalcRefdef (void)
 	int             h;
 	qboolean		full = false;
 
-	scr_fullupdate = 0;             // force a background redraw
 	vid.recalc_refdef = 0;
 
 // force the status bar to redraw
@@ -1489,7 +1479,6 @@ void SCR_BeginLoadingPlaque (void)
 //		return;
 
 // redraw with no console and the loading plaque
-	scr_fullupdate = 0;
 	Sbar_Changed ();
 	scr_drawloading = true;
 	SCR_UpdateScreen ();
@@ -1497,7 +1486,6 @@ void SCR_BeginLoadingPlaque (void)
 
 	scr_disabled_for_loading = true;
 	scr_disabled_time = Sys_DoubleTime();	//realtime tends to change... Hmmm....
-	scr_fullupdate = 0;
 }
 
 void SCR_EndLoadingPlaque (void)
@@ -1506,7 +1494,6 @@ void SCR_EndLoadingPlaque (void)
 //		return;
 
 	scr_disabled_for_loading = false;
-	scr_fullupdate = 0;
 	*levelshotname = '\0';
 }
 
@@ -1635,7 +1622,6 @@ void SCR_DrawConsole (qboolean noback)
 {
 	if (scr_con_current)
 	{
-		scr_copyeverything = 1;
 		Con_DrawConsole (scr_con_current, noback);
 		clearconsole = 0;
 	}
@@ -2058,7 +2044,6 @@ int SCR_ModalMessage (char *text)
 	scr_notifystring = text;
 
 // draw a fresh screen
-	scr_fullupdate = 0;
 	scr_drawdialog = true;
 	SCR_UpdateScreen ();
 	scr_drawdialog = false;
@@ -2071,7 +2056,6 @@ int SCR_ModalMessage (char *text)
 		Sys_SendKeyEvents ();
 	} while (key_lastpress != 'y' && key_lastpress != 'n' && key_lastpress != K_ESCAPE);
 
-	scr_fullupdate = 0;
 	SCR_UpdateScreen ();
 
 	return key_lastpress == 'y';
@@ -2196,7 +2180,6 @@ void SCR_DrawTwoDimensional(int uimenu, qboolean nohud)
 		SCR_ShowPics_Draw();
 		Draw_FadeScreen ();
 		SCR_DrawNotifyString ();
-		scr_copyeverything = true;
 	}
 	else if (scr_drawloading || loading_stage)
 	{
diff --git a/engine/client/menu.c b/engine/client/menu.c
index cf6766745..174ef1af0 100644
--- a/engine/client/menu.c
+++ b/engine/client/menu.c
@@ -1036,9 +1036,7 @@ void M_Draw (int uimenu)
 
 	if ((!menu_script || scr_con_current) && !m_recursiveDraw)
 	{
-		scr_copyeverything = 1;
 		Draw_FadeScreen ();
-		scr_fullupdate = 0;
 	}
 	else
 	{
diff --git a/engine/client/renderer.c b/engine/client/renderer.c
index ee8b0f00d..359825484 100644
--- a/engine/client/renderer.c
+++ b/engine/client/renderer.c
@@ -11,14 +11,9 @@ qboolean vid_isfullscreen;
 #define GRAPHICALNICETIES "Graphical Nicaties"	//or eyecandy, which ever you prefer.
 #define BULLETENVARS		"BulletenBoard controls"
 #define GLRENDEREROPTIONS	"GL Renderer Options"
-#define SWRENDEREROPTIONS	"SW Renderer Options"
 #define SCREENOPTIONS	"Screen Options"
 
-
-unsigned short	d_8to16table[256];
-unsigned int	d_8to24bgrtable[256];
 unsigned int	d_8to24rgbtable[256];
-unsigned int	*d_8to32table = d_8to24bgrtable;	//palette lookups while rendering r_pixbytes=4
 
 extern int gl_anisotropy_factor;
 
@@ -124,8 +119,6 @@ cvar_t r_novis								= SCVAR  ("r_novis", "0");
 cvar_t r_part_rain							= SCVARF ("r_part_rain", "0",
 												CVAR_ARCHIVE);
 //whack in a value of 2 and you get easily visible players.
-cvar_t r_sirds								= SCVARF ("r_sirds", "0",
-												CVAR_SEMICHEAT);
 cvar_t r_skyboxname							= SCVARF ("r_skybox", "",
 												CVAR_RENDERERCALLBACK);
 cvar_t r_speeds								= SCVARF ("r_speeds", "0",
diff --git a/engine/client/sbar.c b/engine/client/sbar.c
index dbffbff87..1a503d62f 100644
--- a/engine/client/sbar.c
+++ b/engine/client/sbar.c
@@ -2156,9 +2156,6 @@ void Sbar_Draw (void)
 			continue;
 		}
 
-		scr_copyeverything = 1;
-	//	scr_fullupdate = 0;
-
 		sb_updates++;
 
 	// top line
@@ -2297,9 +2294,6 @@ void Sbar_TeamOverlay (void)
 		return;
 	}
 
-	scr_copyeverything = 1;
-	scr_fullupdate = 0;
-
 	y = 0;
 
 	if (scr_scoreboard_drawtitle.value)
@@ -2487,9 +2481,6 @@ void Sbar_DeathmatchOverlay (int start)
 		CL_SendClientCommand(true, "pings");
 	}
 
-	scr_copyeverything = 1;
-	scr_fullupdate = 0;
-
 	if (start)
 		y = start;
 	else
@@ -2802,9 +2793,6 @@ void Sbar_ChatModeOverlay(void)
 		CL_SendClientCommand(true, "pings");
 	}
 
-	scr_copyeverything = 1;
-	scr_fullupdate = 0;
-
 // scores
 	Sbar_SortFrags (true);
 
@@ -2904,9 +2892,6 @@ void Sbar_MiniDeathmatchOverlay (void)
 	if (sbar_rect.width < 512 || !sb_lines)
 		return; // not enuff room
 
-	scr_copyeverything = 1;
-	scr_fullupdate = 0;
-
 // scores
 	Sbar_SortFrags (false);
 	if (sbar_rect.width >= 640)
@@ -3024,9 +3009,6 @@ void Sbar_CoopIntermission (void)
 	sbar_rect.x = 0;
 	sbar_rect.y = 0;
 
-	scr_copyeverything = 1;
-	scr_fullupdate = 0;
-
 	pic = Draw_SafeCachePic ("gfx/complete.lmp");
 	if (!pic)
 		return;
@@ -3061,8 +3043,6 @@ Sbar_IntermissionOverlay
 */
 void Sbar_IntermissionOverlay (void)
 {
-	scr_copyeverything = 1;
-	scr_fullupdate = 0;
 #ifdef VM_UI
 	if (UI_DrawIntermission()>0)
 		return;
@@ -3089,7 +3069,6 @@ void Sbar_FinaleOverlay (void)
 {
 	mpic_t	*pic;
 
-	scr_copyeverything = 1;
 #ifdef VM_UI
 	if (UI_DrawFinale()>0)
 		return;
diff --git a/engine/client/screen.h b/engine/client/screen.h
index f30b30a23..1697bff57 100644
--- a/engine/client/screen.h
+++ b/engine/client/screen.h
@@ -23,7 +23,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 extern	float		scr_con_current;
 extern	float		scr_conlines;		// lines of console to display
 
-extern	int			scr_fullupdate;	// set to 0 to force full redraw
 extern	int			sb_lines;
 
 extern	int			clearnotify;	// set to 0 whenever notify text is drawn
@@ -34,14 +33,9 @@ extern	cvar_t		scr_viewsize;
 
 extern cvar_t scr_viewsize;
 
-// only the refresh window will be updated unless these variables are flagged 
-extern	int			scr_copytop;
-extern	int			scr_copyeverything;
-
 qboolean	scr_skipupdate;
 
 qboolean SCR_RSShot (void);
-qboolean	block_drawing;
 
 //void SCR_DrawConsole (qboolean noback);
 //void SCR_SetUpToDrawConsole (void);
diff --git a/engine/client/sys_win.c b/engine/client/sys_win.c
index a1b3bade8..845fb1872 100644
--- a/engine/client/sys_win.c
+++ b/engine/client/sys_win.c
@@ -1496,7 +1496,7 @@ int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLin
 		{
 #ifndef SERVERONLY
 	// yield the CPU for a little while when paused, minimized, or not the focus
-			if ((cl.paused || Minimized || block_drawing) && !Media_PlayingFullScreen())
+			if (cl.paused && !Media_PlayingFullScreen())
 			{
 				SleepUntilInput (PAUSE_SLEEP);
 				scr_skipupdate = 1;		// no point in bothering to draw
diff --git a/engine/client/vid.h b/engine/client/vid.h
index 023b97dc3..a3c2ca166 100644
--- a/engine/client/vid.h
+++ b/engine/client/vid.h
@@ -51,7 +51,6 @@ typedef struct
 {
 	pixel_t			*buffer;		// invisible buffer
 	pixel_t			*colormap;		// 256 * VID_GRADES size
-	unsigned short	*colormap16;	// 256 * VID_GRADES size
 	int				fullbright;		// index of first fullbright color
 	unsigned		rowbytes;	// may be > width if displayed in a window
 	unsigned		width;		
@@ -72,11 +71,8 @@ typedef struct
 } viddef_t;
 
 extern	viddef_t	vid;				// global video state
-extern unsigned short	d_8to16table[256];
 
-extern unsigned int	d_8to24bgrtable[256];
 extern unsigned int	d_8to24rgbtable[256];
-extern unsigned int	*d_8to32table;
 
 #ifdef RGLQUAKE
 void	GLVID_SetPalette (unsigned char *palette);
diff --git a/engine/d3d/vid_d3d.c b/engine/d3d/vid_d3d.c
index 3155c5833..f70d81ca1 100644
--- a/engine/d3d/vid_d3d.c
+++ b/engine/d3d/vid_d3d.c
@@ -811,17 +811,8 @@ void	(D3D7_SCR_UpdateScreen)			(void)
 	qboolean nohud;
 	RSpeedMark();
 
-	if (block_drawing)
-	{
-		RSpeedEnd(RSPEED_TOTALREFRESH);
-		return;
-	}
-
 	vid.numpages = 2;// + gl_triplebuffer.value;
 
-	scr_copytop = 0;
-	scr_copyeverything = 0;
-
 	if (scr_disabled_for_loading)
 	{
 		extern float scr_disabled_time;
diff --git a/engine/d3d9/vid_d3d9.c b/engine/d3d9/vid_d3d9.c
index 1a610d5a0..f223fd8d7 100644
--- a/engine/d3d9/vid_d3d9.c
+++ b/engine/d3d9/vid_d3d9.c
@@ -1083,18 +1083,8 @@ void	(D3D9_SCR_UpdateScreen)			(void)
 		VID_ShiftPalette (NULL);
 	}
 
-
-	if (block_drawing)
-	{
-		RSpeedEnd(RSPEED_TOTALREFRESH);
-		return;
-	}
-
 	vid.numpages = 2;// + gl_triplebuffer.value;
 
-	scr_copytop = 0;
-	scr_copyeverything = 0;
-
 	if (scr_disabled_for_loading)
 	{
 		extern float scr_disabled_time;
diff --git a/engine/gl/gl_screen.c b/engine/gl/gl_screen.c
index 56d94d4bd..cd560301f 100644
--- a/engine/gl/gl_screen.c
+++ b/engine/gl/gl_screen.c
@@ -171,17 +171,8 @@ void GLSCR_UpdateScreen (void)
 	qboolean noworld;
 	RSpeedMark();
 
-	if (block_drawing)
-	{
-		RSpeedEnd(RSPEED_TOTALREFRESH);
-		return;
-	}
-
 	vid.numpages = 2 + gl_triplebuffer.value;
 
-	scr_copytop = 0;
-	scr_copyeverything = 0;
-
 	if (scr_disabled_for_loading)
 	{
 		extern float scr_disabled_time;
diff --git a/engine/gl/gl_vidnt.c b/engine/gl/gl_vidnt.c
index 0244acb82..d5e3c6542 100644
--- a/engine/gl/gl_vidnt.c
+++ b/engine/gl/gl_vidnt.c
@@ -1047,7 +1047,7 @@ void GL_DoSwap (void)
 		return;
 	screenflush = 0;
 
-	if (!scr_skipupdate || block_drawing)
+	if (!scr_skipupdate)
 		qSwapBuffers(maindc);
 
 // handle the mouse state when windowed if that's changed