diff --git a/3rdparty/bgfx/3rdparty/stb/stb_rect_pack.h b/3rdparty/bgfx/3rdparty/stb/stb_rect_pack.h
index eb0ef2f268f..64c30761b80 100644
--- a/3rdparty/bgfx/3rdparty/stb/stb_rect_pack.h
+++ b/3rdparty/bgfx/3rdparty/stb/stb_rect_pack.h
@@ -488,6 +488,7 @@ static int rect_height_compare(const void *a, const void *b)
    return (p->w > q->w) ? -1 : (p->w < q->w);
 }
 
+#if 0
 static int rect_width_compare(const void *a, const void *b)
 {
    stbrp_rect *p = (stbrp_rect *) a;
@@ -498,6 +499,7 @@ static int rect_width_compare(const void *a, const void *b)
       return  1;
    return (p->h > q->h) ? -1 : (p->h < q->h);
 }
+#endif
 
 static int rect_original_order(const void *a, const void *b)
 {
diff --git a/src/lib/util/xmlfile.c b/src/lib/util/xmlfile.c
index e03893134f9..8635cfc427f 100644
--- a/src/lib/util/xmlfile.c
+++ b/src/lib/util/xmlfile.c
@@ -698,7 +698,7 @@ static void expat_data(void *data, const XML_Char *s, int len)
 	if ((*curnode)->value != NULL)
 	{
 		memcpy(newdata, (*curnode)->value, oldlen);
-		free((*curnode)->value);
+		free((void *)(*curnode)->value);
 	}
 	(*curnode)->value = newdata;
 
diff --git a/src/osd/sdl/aueffectutil.m b/src/osd/sdl/aueffectutil.m
index 0dfb3376086..397fb640c68 100644
--- a/src/osd/sdl/aueffectutil.m
+++ b/src/osd/sdl/aueffectutil.m
@@ -20,6 +20,9 @@
 
 typedef ComponentDescription AudioComponentDescription;
 
+@protocol NSApplicationDelegate <NSObject>
+@end
+
 @protocol NSWindowDelegate <NSObject>
 @end
 
@@ -723,7 +726,7 @@ static void UpdateChangeCountCallback(void                      *userData,
 @end
 
 
-@interface AUEffectUtilAppDelegate : NSObject<NSApplicationDelegate>
+@interface AUEffectUtilAppDelegate : NSObject <NSApplicationDelegate>
 {
 	EffectInfo      *effects;