diff --git a/serial.sublime-project b/serial.sublime-project
index 12ab4a7..7ca307f 100644
--- a/serial.sublime-project
+++ b/serial.sublime-project
@@ -11,14 +11,12 @@
 	{
 		"sublimeclang_options":
 		[
+			"-I/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1",
+			"-I/usr/local/include",
+			"-I/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/9.0.0/include",
+			"-I/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include",
 			"-I/usr/include",
-			"-I/usr/local/include",
 			"-I${folder:${project_path:serial.sublime-project}}/include",
-			"-I/Library/Developer/CommandLineTools/usr/bin/../include/c++/v1",
-			"-I/usr/local/include",
-			"-I/Library/Developer/CommandLineTools/usr/bin/../lib/clang/6.1.0/include",
-			"-I/Library/Developer/CommandLineTools/usr/include",
-			"-I/usr/include"
 		]
 	}
 }