diff --git a/build/osx/wxcarbon.xcconfig b/build/osx/wxcarbon.xcconfig
index b2daf61648..99bc902e9f 100644
--- a/build/osx/wxcarbon.xcconfig
+++ b/build/osx/wxcarbon.xcconfig
@@ -6,7 +6,6 @@ WXTOOLKITUPPER = CARBON
 MACOSX_DEPLOYMENT_TARGET = 10.5
 SDKROOT = macosx
 
-GCC_VERSION = 4.2
 GCC_VERSION[arch=ppc] = 4.0
 
 ARCHS = ppc i386