diff --git a/engine/client/snd_directx.c b/engine/client/snd_directx.c
index 2fbd3e283..b9e38b916 100644
--- a/engine/client/snd_directx.c
+++ b/engine/client/snd_directx.c
@@ -528,7 +528,7 @@ Direct-Sound support
 */
 int DSOUND_InitCard (soundcardinfo_t *sc, int cardnum)
 {
-	extern cvar_t snd_inactive; // snd_eax unused
+	extern cvar_t snd_inactive, snd_eax;
 	DSBUFFERDESC	dsbuf;
 	DSBCAPS			dsbcaps;
 	DWORD			dwSize, dwWrite;
diff --git a/engine/common/net_wins.c b/engine/common/net_wins.c
index b889a60ae..7dcd7e536 100644
--- a/engine/common/net_wins.c
+++ b/engine/common/net_wins.c
@@ -2444,7 +2444,7 @@ qboolean FTENET_IRCConnect_GetPacket(ftenet_generic_connection_t *gcon)
 		}
 		else
 		{
-			code = strtoul(s, (char **  __restrict__)&s, 10);
+			code = strtoul(s, (char **)&s, 10);
 			switch (code)
 			{
 			case 001:
diff --git a/engine/common/plugin.c b/engine/common/plugin.c
index 07e676b86..118713f55 100644
--- a/engine/common/plugin.c
+++ b/engine/common/plugin.c
@@ -265,7 +265,7 @@ int Plug_SystemCallsVM(void *offset, quintptr_t mask, int fn, const int *arg)
 	fn = fn+1;
 
 	if (fn>=0 && fn < numplugbuiltins && plugbuiltins[fn].func!=NULL)
-		return plugbuiltins[fn].func(offset, mask, (const long int *)args);
+		return plugbuiltins[fn].func(offset, mask, (const long*)args);
 #undef args
 	Sys_Error("QVM Plugin tried calling invalid builtin %i", fn);
 	return 0;