diff --git a/build/osx/wxcocoa.xcconfig b/build/osx/wxcocoa.xcconfig
index e5a73a7cd1..9388c5c9a6 100644
--- a/build/osx/wxcocoa.xcconfig
+++ b/build/osx/wxcocoa.xcconfig
@@ -3,12 +3,10 @@ WXTOOLKITUPPER = COCOA
 
 #include "wx.xcconfig"
 
-MACOSX_DEPLOYMENT_TARGET = 10.4
-MACOSX_DEPLOYMENT_TARGET[arch=x86_64] = 10.5
+MACOSX_DEPLOYMENT_TARGET = 10.5
 
 GCC_VERSION = 4.2
-GCC_VERSION[arch=ppc] = 4.0
 
 ARCHS = ppc i386 x86_64
 
-OTHER_LDFLAGS = -framework WebKit -framework IOKit -framework Carbon -framework Cocoa -framework AudioToolbox -framework OpenGL -framework QuickTime 
+OTHER_LDFLAGS = -framework WebKit -framework IOKit -framework Carbon -framework Cocoa -framework AudioToolbox -framework OpenGL -framework QTKit