diff --git a/Quake/gl_vidnt.c b/Quake/gl_vidnt.c
index cd235d11..9c2c7f41 100644
--- a/Quake/gl_vidnt.c
+++ b/Quake/gl_vidnt.c
@@ -75,7 +75,6 @@ qboolean		scr_skipupdate;
 
 static vmode_t	modelist[MAX_MODE_LIST];
 static int		nummodes;
-static vmode_t	*pcurrentmode;
 static vmode_t	badmode;
 
 static DEVMODE	gdevmode;
@@ -105,6 +104,7 @@ HDC		maindc;
 glvert_t glv;
 
 HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
+BOOL bSetupPixelFormat(HDC hDC);
 
 viddef_t	vid;				// global video state
 
@@ -125,11 +125,6 @@ void ClearAllStates (void);
 void VID_UpdateWindowStatus (void);
 void GL_Init (void);
 
-PROC glArrayElementEXT;
-PROC glColorPointerEXT;
-PROC glTexCoordPointerEXT;
-PROC glVertexPointerEXT;
-
 typedef void (APIENTRY *lp3DFXFUNC) (int, int, int, int, int, const void*);
 
 PFNGLMULTITEXCOORD2FARBPROC GL_MTexCoord2fFunc = NULL; //johnfitz
@@ -325,7 +320,6 @@ CenterWindow
 */
 void CenterWindow(HWND hWndCenter, int width, int height, BOOL lefttopjustify)
 {
-    RECT    rect;
     int     CenterX, CenterY;
 
 	CenterX = (GetSystemMetrics(SM_CXSCREEN) - width) / 2;
@@ -530,7 +524,6 @@ int VID_SetMode (int modenum)
 	int		original_mode, temp;
 	qboolean	stat = false;
 	MSG		msg;
-	HDC		hdc;
 
 	if ((windowed && (modenum != 0)) ||
 		(!windowed && (modenum < 1)) ||
@@ -662,7 +655,6 @@ void VID_Restart (void)
 	HGLRC		hrc;
 	int		i;
 	qboolean	mode_changed = false;
-	vmode_t		oldmode;
 
 	if (vid_locked)
 		return;
@@ -692,8 +684,6 @@ void VID_Restart (void)
 //
 // decide which mode to set
 //
-		oldmode = modelist[vid_default];
-
 		if (vid_fullscreen.value)
 		{
 			for (i=1; i<nummodes; i++)
@@ -790,7 +780,7 @@ void VID_Restart (void)
 				LPVOID lpMsgBuf;
 				DWORD dw = GetLastError();
 				FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, NULL, dw, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR) &lpMsgBuf, 0, NULL );
-				sprintf(szBuf, "VID_Restart: wglMakeCurrent failed with error %d: %s", dw, lpMsgBuf);
+				sprintf(szBuf, "VID_Restart: wglMakeCurrent failed with error %u: %s", (unsigned int)dw, (const char *)lpMsgBuf);
  				Sys_Error (szBuf);
 			}
 			TexMgr_ReloadImages ();
@@ -1133,9 +1123,9 @@ void GetWGLExtensions (void)
 	const char *(*wglGetExtensionsStringARB) (HDC hdc);
 	const char *(*wglGetExtensionsStringEXT) ();
 
-	if (wglGetExtensionsStringARB = (void *) wglGetProcAddress ("wglGetExtensionsStringARB"))
+	if ((wglGetExtensionsStringARB = (void *) wglGetProcAddress ("wglGetExtensionsStringARB")) != NULL)
 		wgl_extensions = wglGetExtensionsStringARB (maindc);
-	else if (wglGetExtensionsStringEXT = (void *) wglGetProcAddress ("wglGetExtensionsStringEXT"))
+	else if ((wglGetExtensionsStringEXT = (void *) wglGetProcAddress ("wglGetExtensionsStringEXT")) != NULL)
 		wgl_extensions = wglGetExtensionsStringEXT ();
 	else
 		wgl_extensions = "";
@@ -1485,9 +1475,6 @@ void AppActivate(BOOL fActive, BOOL minimize)
 *
 ****************************************************************************/
 {
-	MSG msg;
-    HDC			hdc;
-    int			i, t;
 	static BOOL	sound_active;
 
 	ActiveApp = fActive;
@@ -1555,7 +1542,7 @@ LONG WINAPI MainWndProc (
     LPARAM  lParam)
 {
 	LONG    lRet = 1;
-	int		fwKeys, xPos, yPos, fActive, fMinimized, temp;
+	int		fActive, fMinimized, temp;
 	extern unsigned int uiWheelMessage;
 
 	if ( uMsg == uiWheelMessage )
@@ -1841,7 +1828,6 @@ void VID_InitDIB (HINSTANCE hInstance)
 	DEVMODE			devmode; //johnfitz
 	WNDCLASS		wc;
 	HDC				hdc;
-	int				i;
 
 	/* Register the frame class */
 	wc.style         = 0;
@@ -1909,7 +1895,7 @@ VID_InitFullDIB
 void VID_InitFullDIB (HINSTANCE hInstance)
 {
 	DEVMODE	devmode;
-	int		i, modenum, cmodes, originalnummodes, existingmode, numlowresmodes;
+	int		i, modenum, originalnummodes, existingmode, numlowresmodes;
 	int		j, bpp, done;
 	BOOL	stat;
 
@@ -1944,10 +1930,10 @@ void VID_InitFullDIB (HINSTANCE hInstance)
 				modelist[nummodes].bpp = devmode.dmBitsPerPel;
 				modelist[nummodes].refreshrate = devmode.dmDisplayFrequency; //johnfitz -- refreshrate
 				sprintf (modelist[nummodes].modedesc, "%dx%dx%d %dHz", //johnfitz -- refreshrate
-						 devmode.dmPelsWidth,
-						 devmode.dmPelsHeight,
-						 devmode.dmBitsPerPel,
-						 devmode.dmDisplayFrequency); //johnfitz -- refreshrate
+						(int) devmode.dmPelsWidth,
+						(int) devmode.dmPelsHeight,
+						(int) devmode.dmBitsPerPel,
+						(int) devmode.dmDisplayFrequency); //johnfitz -- refreshrate
 
 			// if the width is more than twice the height, reduce it by half because this
 			// is probably a dual-screen monitor
@@ -2017,10 +2003,10 @@ void VID_InitFullDIB (HINSTANCE hInstance)
 				modelist[nummodes].bpp = devmode.dmBitsPerPel;
 				modelist[nummodes].refreshrate = devmode.dmDisplayFrequency; //johnfitz -- refreshrate
 				sprintf (modelist[nummodes].modedesc, "%dx%dx%d %dHz", //johnfitz -- refreshrate
-						 devmode.dmPelsWidth,
-						 devmode.dmPelsHeight,
-						 devmode.dmBitsPerPel,
-						 devmode.dmDisplayFrequency); //johnfitz -- refreshrate
+						(int) devmode.dmPelsWidth,
+						(int) devmode.dmPelsHeight,
+						(int) devmode.dmBitsPerPel,
+						(int) devmode.dmDisplayFrequency); //johnfitz -- refreshrate
 
 				for (i=originalnummodes, existingmode = 0 ; i<nummodes ; i++)
 				{
@@ -2068,9 +2054,7 @@ VID_Init
 void	VID_Init (void)
 {
 	int		i, existingmode;
-	int		basenummodes, width, height, bpp, findbpp, done;
-	byte	*ptmp;
-	char	gldir[MAX_OSPATH];
+	int		width, height, bpp, findbpp, done;
 	HGLRC	baseRC; //johnfitz -- moved here from global scope, since it was only used in this
 	HDC		hdc;
 	DEVMODE	devmode;
@@ -2100,7 +2084,7 @@ void	VID_Init (void)
 	InitCommonControls();
 
 	VID_InitDIB (global_hInstance);
-	basenummodes = nummodes = 1;
+	nummodes = 1;
 
 	VID_InitFullDIB (global_hInstance);
 
@@ -2178,10 +2162,10 @@ void	VID_Init (void)
 					modelist[nummodes].fullscreen = 1;
 					modelist[nummodes].bpp = bpp;
 					sprintf (modelist[nummodes].modedesc, "%dx%dx%d %dHz", //johnfitz -- refreshrate
-							 devmode.dmPelsWidth,
-							 devmode.dmPelsHeight,
-							 devmode.dmBitsPerPel,
-							 devmode.dmDisplayFrequency); //johnfitz -- refreshrate
+							(int) devmode.dmPelsWidth,
+							(int) devmode.dmPelsHeight,
+							(int) devmode.dmBitsPerPel,
+							(int) devmode.dmDisplayFrequency); //johnfitz -- refreshrate
 
 					for (i=nummodes, existingmode = 0 ; i<nummodes ; i++)
 					{
diff --git a/Quake/gl_vidsdl.c b/Quake/gl_vidsdl.c
index b8bf04f4..4e418cbc 100644
--- a/Quake/gl_vidsdl.c
+++ b/Quake/gl_vidsdl.c
@@ -370,7 +370,6 @@ VID_Restart -- johnfitz -- change video modes on the fly
 void VID_Restart (void)
 {
 	int		i;
-	vmode_t		oldmode;
 
 	if (vid_locked || !vid_changed)
 		return;
@@ -378,8 +377,6 @@ void VID_Restart (void)
 //
 // decide which mode to set
 //
-	oldmode = modelist[vid_default];
-
 	if (vid_fullscreen.value)
 	{
 		for (i=1; i<nummodes; i++)
@@ -1163,7 +1160,7 @@ void	VID_Init (void)
 	static char vid_center[] = "SDL_VIDEO_CENTERED=center";
 	const SDL_VideoInfo *info;
 	int		i, existingmode;
-	int		basenummodes, width, height, bpp, findbpp, done;
+	int		width, height, bpp, findbpp, done;
 
 	//johnfitz -- clean up init readouts
 	//Con_Printf("------------- Init Video -------------\n");
@@ -1189,7 +1186,7 @@ void	VID_Init (void)
 	putenv (vid_center);	/* SDL_putenv is problematic in versions <= 1.2.9 */
 
 	VID_InitDIB();
-	basenummodes = nummodes = 1;
+	nummodes = 1;
 	VID_InitFullDIB();
 
 	// Config file is not read yet, so we don't know vid_fullscreen.value
diff --git a/Quake/menu.c b/Quake/menu.c
index 5b47f942..b79a1588 100644
--- a/Quake/menu.c
+++ b/Quake/menu.c
@@ -1355,10 +1355,9 @@ void M_UnbindCommand (const char *command)
 
 void M_Keys_Draw (void)
 {
-	int		i, l;
+	int		i, x, y;
 	int		keys[2];
 	const char	*name;
-	int		x, y;
 	qpic_t	*p;
 
 	p = Draw_CachePic ("gfx/ttl_cstm.lmp");
@@ -1376,8 +1375,6 @@ void M_Keys_Draw (void)
 
 		M_Print (16, y, bindnames[i][1]);
 
-		l = strlen (bindnames[i][0]);
-
 		M_FindKeysForCommand (bindnames[i][0], keys);
 
 		if (keys[0] == -1)
diff --git a/Quake/net_dgrm.c b/Quake/net_dgrm.c
index e2d73c69..4bbba2ad 100644
--- a/Quake/net_dgrm.c
+++ b/Quake/net_dgrm.c
@@ -537,7 +537,6 @@ static void Test_Poll (void *unused)
 	int		colors;
 	int		frags;
 	int		connectTime;
-	byte	playerNumber;
 
 	net_landriverlevel = testDriver;
 
@@ -562,7 +561,7 @@ static void Test_Poll (void *unused)
 		if (MSG_ReadByte() != CCREP_PLAYER_INFO)
 			Sys_Error("Unexpected repsonse to Player Info request\n");
 
-		playerNumber = MSG_ReadByte();
+		MSG_ReadByte(); /* playerNumber */
 		Q_strcpy(name, MSG_ReadString());
 		colors = MSG_ReadLong();
 		frags = MSG_ReadLong();
diff --git a/Quake/pr_cmds.c b/Quake/pr_cmds.c
index 85b82c8d..1e426ff2 100644
--- a/Quake/pr_cmds.c
+++ b/Quake/pr_cmds.c
@@ -1307,6 +1307,7 @@ void PF_aim (void)
 
 	ent = G_EDICT(OFS_PARM0);
 	speed = G_FLOAT(OFS_PARM1);
+	(void) speed; /* variable set but not used */
 
 	VectorCopy (ent->v.origin, start);
 	start[2] += 20;
diff --git a/Quake/r_brush.c b/Quake/r_brush.c
index 784feb28..8c2e135a 100644
--- a/Quake/r_brush.c
+++ b/Quake/r_brush.c
@@ -779,7 +779,7 @@ void BuildSurfaceDisplayList (msurface_t *fa)
 {
 	int			i, lindex, lnumverts;
 	medge_t		*pedges, *r_pedge;
-	int			vertpage;
+//	int		vertpage;
 	float		*vec;
 	float		s, t;
 	glpoly_t	*poly;
@@ -787,7 +787,7 @@ void BuildSurfaceDisplayList (msurface_t *fa)
 // reconstruct the polygon
 	pedges = currentmodel->edges;
 	lnumverts = fa->numedges;
-	vertpage = 0;
+//	vertpage = 0;
 
 	//
 	// draw texture
diff --git a/Quake/r_part.c b/Quake/r_part.c
index af65669b..d70e28eb 100644
--- a/Quake/r_part.c
+++ b/Quake/r_part.c
@@ -187,24 +187,25 @@ float	timescale = 0.01;
 
 void R_EntityParticles (entity_t *ent)
 {
-	int			count;
-	int			i;
+	int		i;
 	particle_t	*p;
 	float		angle;
-	float		sr, sp, sy, cr, cp, cy;
+	float		sp, sy, cp, cy;
+//	float		sr, cr;
+//	int		count;
 	vec3_t		forward;
 	float		dist;
 
 	dist = 64;
-	count = 50;
+//	count = 50;
 
 	if (!avelocities[0][0])
 	{
-	for (i=0 ; i<NUMVERTEXNORMALS*3 ; i++)
-	avelocities[0][i] = (rand()&255) * 0.01;
+		for (i = 0; i < NUMVERTEXNORMALS*3; i++)
+			avelocities[0][i] = (rand() & 255) * 0.01;
 	}
 
-	for (i=0 ; i<NUMVERTEXNORMALS ; i++)
+	for (i = 0; i < NUMVERTEXNORMALS; i++)
 	{
 		angle = cl.time * avelocities[i][0];
 		sy = sin(angle);
@@ -213,8 +214,8 @@ void R_EntityParticles (entity_t *ent)
 		sp = sin(angle);
 		cp = cos(angle);
 		angle = cl.time * avelocities[i][2];
-		sr = sin(angle);
-		cr = cos(angle);
+	//	sr = sin(angle);
+	//	cr = cos(angle);
 
 		forward[0] = cp*cy;
 		forward[1] = cp*sy;
diff --git a/Quake/sbar.c b/Quake/sbar.c
index dab24f8a..167b22b6 100644
--- a/Quake/sbar.c
+++ b/Quake/sbar.c
@@ -1175,7 +1175,7 @@ Sbar_MiniDeathmatchOverlay
 */
 void Sbar_MiniDeathmatchOverlay (void)
 {
-	int				i, k, l, top, bottom, x, y, f, numlines;
+	int			i, k, top, bottom, x, y, f, numlines;
 	char			num[12];
 	float			scale; //johnfitz
 	scoreboard_t	*s;
@@ -1190,7 +1190,6 @@ void Sbar_MiniDeathmatchOverlay (void)
 	Sbar_SortFrags ();
 
 // draw the text
-	l = scoreboardlines;
 	numlines = (scr_viewsize.value >= 110) ? 3 : 6; //johnfitz
 
 	//find us