diff --git a/Source/Lettuce.xcodeproj/project.pbxproj b/Source/Lettuce.xcodeproj/project.pbxproj
index 4666e744..34a2dfcb 100644
--- a/Source/Lettuce.xcodeproj/project.pbxproj
+++ b/Source/Lettuce.xcodeproj/project.pbxproj
@@ -703,7 +703,7 @@
 				GCC_PREFIX_HEADER = "McBopomofo-Prefix.pch";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
 				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
-				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_VERSION = "";
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_PEDANTIC = YES;
@@ -729,7 +729,7 @@
 				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = "McBopomofo-Prefix.pch";
-				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_VERSION = "";
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_PEDANTIC = YES;