diff --git a/ios/IJKMediaPlayer/IJKMediaPlayer.xcodeproj/project.pbxproj b/ios/IJKMediaPlayer/IJKMediaPlayer.xcodeproj/project.pbxproj
index f94cb0dd528c2361e79cb3de5969a1d33111531b..cb098122622949feffc0cf41c83679698889a2f8 100644
--- a/ios/IJKMediaPlayer/IJKMediaPlayer.xcodeproj/project.pbxproj
+++ b/ios/IJKMediaPlayer/IJKMediaPlayer.xcodeproj/project.pbxproj
@@ -717,7 +717,6 @@
 		E6903EC817EAF6C500CFD954 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				CLANG_CXX_LANGUAGE_STANDARD = "c++0x";
 				DSTROOT = /tmp/IJKMediaPlayer.dst;
 				GCC_C_LANGUAGE_STANDARD = c11;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
@@ -740,7 +739,6 @@
 		E6903EC917EAF6C500CFD954 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				CLANG_CXX_LANGUAGE_STANDARD = "c++0x";
 				DSTROOT = /tmp/IJKMediaPlayer.dst;
 				GCC_C_LANGUAGE_STANDARD = c11;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;