diff --git a/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/get.pass.cpp b/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/get.pass.cpp
index 3d4df9cbb7f5..41a721d50f13 100644
--- a/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/get.pass.cpp
+++ b/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/get.pass.cpp
@@ -6,9 +6,6 @@
 // Source Licenses. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
-//
-// XFAIL: with_system_lib=x86_64-apple-darwin11
-// XFAIL: with_system_lib=x86_64-apple-darwin12
 
 // <istream>
 
diff --git a/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/get_chart.pass.cpp b/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/get_chart.pass.cpp
index d060ccce47af..cf06e343bcc2 100644
--- a/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/get_chart.pass.cpp
+++ b/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/get_chart.pass.cpp
@@ -6,9 +6,6 @@
 // Source Licenses. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
-//
-// XFAIL: with_system_lib=x86_64-apple-darwin11
-// XFAIL: with_system_lib=x86_64-apple-darwin12
 
 // <istream>
 
diff --git a/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/ignore_0xff.pass.cpp b/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/ignore_0xff.pass.cpp
index 545f94dd0747..ccc3545483e7 100644
--- a/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/ignore_0xff.pass.cpp
+++ b/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/ignore_0xff.pass.cpp
@@ -6,9 +6,6 @@
 // Source Licenses. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
-//
-// XFAIL: with_system_lib=x86_64-apple-darwin11
-// XFAIL: with_system_lib=x86_64-apple-darwin12
 
 // <istream>
 
diff --git a/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/read.pass.cpp b/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/read.pass.cpp
index 636cf078d749..20e70cfbd5cd 100644
--- a/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/read.pass.cpp
+++ b/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/read.pass.cpp
@@ -6,9 +6,6 @@
 // Source Licenses. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
-//
-// XFAIL: with_system_lib=x86_64-apple-darwin11
-// XFAIL: with_system_lib=x86_64-apple-darwin12
 
 // <istream>
 
diff --git a/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/readsome.pass.cpp b/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/readsome.pass.cpp
index 60f816df1d95..01eecb5d824b 100644
--- a/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/readsome.pass.cpp
+++ b/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/readsome.pass.cpp
@@ -6,9 +6,6 @@
 // Source Licenses. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
-//
-// XFAIL: with_system_lib=x86_64-apple-darwin11
-// XFAIL: with_system_lib=x86_64-apple-darwin12
 
 // <istream>
 
diff --git a/libcxx/test/numerics/complex.number/complex.ops/stream_input.pass.cpp b/libcxx/test/numerics/complex.number/complex.ops/stream_input.pass.cpp
index 107eefc01341..24644e307799 100644
--- a/libcxx/test/numerics/complex.number/complex.ops/stream_input.pass.cpp
+++ b/libcxx/test/numerics/complex.number/complex.ops/stream_input.pass.cpp
@@ -6,9 +6,6 @@
 // Source Licenses. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
-//
-// XFAIL: with_system_lib=x86_64-apple-darwin11
-// XFAIL: with_system_lib=x86_64-apple-darwin12
 
 // <complex>