diff --git a/test/depr/depr.c.headers/uchar_h.pass.cpp b/test/depr/depr.c.headers/uchar_h.pass.cpp
index c84c26cb3..14803ff81 100644
--- a/test/depr/depr.c.headers/uchar_h.pass.cpp
+++ b/test/depr/depr.c.headers/uchar_h.pass.cpp
@@ -6,6 +6,8 @@
 // Source Licenses. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
+//
+// XFAIL: apple-darwin
 
 // <uchar.h>
 
diff --git a/test/language.support/support.start.term/quick_exit.pass.cpp b/test/language.support/support.start.term/quick_exit.pass.cpp
index 5c732b39f..1945a1ba1 100644
--- a/test/language.support/support.start.term/quick_exit.pass.cpp
+++ b/test/language.support/support.start.term/quick_exit.pass.cpp
@@ -6,6 +6,8 @@
 // Source Licenses. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
+//
+// XFAIL: apple-darwin
 
 // test quick_exit and at_quick_exit
 
diff --git a/test/strings/c.strings/cuchar.pass.cpp b/test/strings/c.strings/cuchar.pass.cpp
index 128367853..d4c15db89 100644
--- a/test/strings/c.strings/cuchar.pass.cpp
+++ b/test/strings/c.strings/cuchar.pass.cpp
@@ -6,6 +6,8 @@
 // Source Licenses. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
+//
+// XFAIL: apple-darwin
 
 // <cuchar>
 
diff --git a/test/strings/c.strings/version_cuchar.pass.cpp b/test/strings/c.strings/version_cuchar.pass.cpp
index a18f3439a..fa47f0ffc 100644
--- a/test/strings/c.strings/version_cuchar.pass.cpp
+++ b/test/strings/c.strings/version_cuchar.pass.cpp
@@ -6,6 +6,8 @@
 // Source Licenses. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
+//
+// XFAIL: apple-darwin
 
 // <cuchar>