diff --git a/engine/client/quakedef.h b/engine/client/quakedef.h
index 36428fff2..5a77d7b1f 100644
--- a/engine/client/quakedef.h
+++ b/engine/client/quakedef.h
@@ -364,12 +364,6 @@ extern cvar_t worker_flush;
 qboolean COM_DoWork(int thread, qboolean leavelocked);
 #define COM_MainThreadWork() while (COM_DoWork(0, false) && worker_flush.ival) /*called each frame to do any gl uploads or whatever*/
 #define COM_MainThreadFlush() while (COM_DoWork(0, false))	/*make sure the main thread has done ALL work pending*/
-typedef enum wgroup_e
-{
-	WG_MAIN		= 0,
-	WG_LOADER	= 1,
-	WG_COUNT	= 2 //main and loaders
-} wgroup_t;
 void COM_AddWork(wgroup_t thread, void(*func)(void *ctx, void *data, size_t a, size_t b), void *ctx, void *data, size_t a, size_t b);	//low priority
 void COM_InsertWork(wgroup_t tg, void(*func)(void *ctx, void *data, size_t a, size_t b), void *ctx, void *data, size_t a, size_t b);	//high priority
 qboolean COM_HasWork(void);
diff --git a/engine/client/snd_al.c b/engine/client/snd_al.c
index 8355423e0..91d59d0d3 100644
--- a/engine/client/snd_al.c
+++ b/engine/client/snd_al.c
@@ -1780,6 +1780,7 @@ static qboolean QDECL OpenAL_InitCard2(soundcardinfo_t *sc, const char *devname,
 
 	sc->inactive_sound = true;
 	sc->Shutdown = OpenAL_Shutdown;
+#ifdef HAVE_MIXER
 	if (qmix)
 	{
 		sc->Lock		= OAQM_LockBuffer;
@@ -1819,6 +1820,7 @@ static qboolean QDECL OpenAL_InitCard2(soundcardinfo_t *sc, const char *devname,
 		//palSourcePlay(oali->qmix.handle);
 	}
 	else
+#endif
 	{
 #ifdef USEEFX
 		sc->SetEnvironmentReverb = OpenAL_SetReverb;
diff --git a/engine/common/gl_q2bsp.c b/engine/common/gl_q2bsp.c
index ce11d0bfc..6c9f1579b 100644
--- a/engine/common/gl_q2bsp.c
+++ b/engine/common/gl_q2bsp.c
@@ -7150,6 +7150,7 @@ static void	CM_SetAreaPortalState (model_t *mod, unsigned int portalnum, unsigne
 		prv->q2portalopen[portalnum] = open;
 		break;
 #endif
+	default: break;
 	}
 	FloodAreaConnections (prv);
 }
diff --git a/engine/common/sys.h b/engine/common/sys.h
index e2965de54..a7ed12921 100644
--- a/engine/common/sys.h
+++ b/engine/common/sys.h
@@ -149,7 +149,12 @@ qboolean Sys_ConditionSignal(void *condv);		//lock first
 qboolean Sys_ConditionBroadcast(void *condv);	//lock first
 void Sys_DestroyConditional(void *condv);
 
-enum wgroup_e;
+typedef enum wgroup_e
+{
+	WG_MAIN		= 0,
+	WG_LOADER	= 1,
+	WG_COUNT	= 2 //main and loaders
+} wgroup_t;
 typedef struct
 {
 	void *(QDECL *CreateMutex)(void);
@@ -157,7 +162,7 @@ typedef struct
 	qboolean (QDECL *UnlockMutex)(void *mutex);
 	void (QDECL *DestroyMutex)(void *mutex);
 
-	void (*AddWork)(enum wgroup_e thread, void(*func)(void *ctx, void *data, size_t a, size_t b), void *ctx, void *data, size_t a, size_t b);	//low priority
+	void (*AddWork)(wgroup_t thread, void(*func)(void *ctx, void *data, size_t a, size_t b), void *ctx, void *data, size_t a, size_t b);	//low priority
 	void (*WaitForCompletion)(void *priorityctx, int *address, int sleepwhilevalue);
 #define plugthreadfuncs_name "Threading"
 } plugthreadfuncs_t;