diff --git a/sys/unix/hints/macosx10.10-qt b/sys/unix/hints/macosx10.10-qt
index ff9869251..3d9747649 100644
--- a/sys/unix/hints/macosx10.10-qt
+++ b/sys/unix/hints/macosx10.10-qt
@@ -65,7 +65,7 @@ CXX=clang++ -std=gnu++11
 #
 
 #CFLAGS+=-W -Wimplicit -Wreturn-type -Wunused -Wformat -Wswitch -Wshadow -Wcast-qual -Wwrite-strings -DGCC_WARN
-CFLAGS+=-Wall -Wextra -Wno-missing-field-initializers -Wimplicit -Wreturn-type -Wunused -Wformat -Wswitch -Wshadow -Wwrite-strings -DGCC_WARN -ansi -pedantic
+CFLAGS+=-Wall -Wextra -Wno-missing-field-initializers -Wimplicit -Wreturn-type -Wunused -Wformat -Wswitch -Wshadow -Wwrite-strings -DGCC_WARN
 # As of LLVM build 2336.1.00, this gives dozens of spurious messages, so
 # leave it out by default.
 #CFLAGS+=-Wunreachable-code