diff --git a/UIKit/Classes/UIStringDrawing.h b/UIKit/Classes/UIStringDrawing.h
index c8b7d909..5c42b09f 100644
--- a/UIKit/Classes/UIStringDrawing.h
+++ b/UIKit/Classes/UIStringDrawing.h
@@ -50,10 +50,10 @@ typedef enum {
     UIBaselineAdjustmentNone,
 } UIBaselineAdjustment;
 
-NSString *const UITextAttributeFont;
-NSString *const UITextAttributeTextColor;
-NSString *const UITextAttributeTextShadowColor;
-NSString *const UITextAttributeTextShadowOffset;
+extern NSString *const UITextAttributeFont;
+extern NSString *const UITextAttributeTextColor;
+extern NSString *const UITextAttributeTextShadowColor;
+extern NSString *const UITextAttributeTextShadowOffset;
 
 @class UIFont;
 
diff --git a/UIKit/UIKit.xcodeproj/project.pbxproj b/UIKit/UIKit.xcodeproj/project.pbxproj
index d47a64a1..f12318b1 100644
--- a/UIKit/UIKit.xcodeproj/project.pbxproj
+++ b/UIKit/UIKit.xcodeproj/project.pbxproj
@@ -1356,7 +1356,6 @@
 				INSTALL_PATH = "@executable_path/../Frameworks";
 				PRODUCT_NAME = UIKit;
 				SYMROOT = ../build;
-				VALID_ARCHS = "i386 x86_64";
 				WRAPPER_EXTENSION = framework;
 			};
 			name = Debug;
@@ -1376,7 +1375,6 @@
 				INSTALL_PATH = "@executable_path/../Frameworks";
 				PRODUCT_NAME = UIKit;
 				SYMROOT = ../build;
-				VALID_ARCHS = "i386 x86_64";
 				WRAPPER_EXTENSION = framework;
 			};
 			name = Release;
@@ -1384,7 +1382,7 @@
 		1DEB91B208733DA50010E9CD /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = NO;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
@@ -1399,8 +1397,7 @@
 		1DEB91B308733DA50010E9CD /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
-				CODE_SIGN_IDENTITY = "3rd Party Mac Developer Application";
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = NO;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;