diff --git a/src/posix/cocoa/i_common.h b/src/posix/cocoa/i_common.h
index 3f26e7940e..081466e87d 100644
--- a/src/posix/cocoa/i_common.h
+++ b/src/posix/cocoa/i_common.h
@@ -128,17 +128,6 @@ enum
 	kVK_UpArrow       = 0x7E
 };
 
-@interface NSView(SupportOutdatedOSX)
-- (NSPoint)convertPointFromBase:(NSPoint)aPoint;
-@end
-
-@implementation NSView(SupportOutdatedOSX)
-- (NSPoint)convertPointFromBase:(NSPoint)aPoint
-{
-	return [self convertPoint:aPoint fromView:nil];
-}
-@end
-
 #endif // prior to 10.5
 
 
diff --git a/src/posix/cocoa/i_main.mm b/src/posix/cocoa/i_main.mm
index bb13091095..05a8081f6c 100644
--- a/src/posix/cocoa/i_main.mm
+++ b/src/posix/cocoa/i_main.mm
@@ -34,6 +34,7 @@
 #include "i_common.h"
 
 #include <sys/sysctl.h>
+#include <unistd.h>
 
 // Avoid collision between DObject class and Objective-C
 #define Class ObjectClass