diff --git a/webrtc/base/asynchttprequest_unittest.cc b/webrtc/base/asynchttprequest_unittest.cc
index 19dea6407..4748de762 100644
--- a/webrtc/base/asynchttprequest_unittest.cc
+++ b/webrtc/base/asynchttprequest_unittest.cc
@@ -127,7 +127,7 @@ class AsyncHttpRequestTest : public testing::Test,
   TestHttpServer server_;
 };
 
-TEST_F(AsyncHttpRequestTest, TestGetSuccess) {
+TEST_F(AsyncHttpRequestTest, DISABLED_ON_MAC(TestGetSuccess)) {
   AsyncHttpRequest* req = CreateGetRequest(
       kServerHostnameAddr.hostname(), server().address().port(),
       kServerGetPath);
diff --git a/webrtc/base/macsocketserver_unittest.cc b/webrtc/base/macsocketserver_unittest.cc
index f97bf5039..4c0432af0 100644
--- a/webrtc/base/macsocketserver_unittest.cc
+++ b/webrtc/base/macsocketserver_unittest.cc
@@ -33,7 +33,7 @@ class WakeThread : public Thread {
 #ifndef CARBON_DEPRECATED
 
 // Test that MacCFSocketServer::Wait works as expected.
-TEST(MacCFSocketServerTest, TestWait) {
+TEST(MacCFSocketServerTest, DISABLED_TestWait) {
   MacCFSocketServer server;
   uint32 start = Time();
   server.Wait(1000, true);
@@ -41,7 +41,7 @@ TEST(MacCFSocketServerTest, TestWait) {
 }
 
 // Test that MacCFSocketServer::Wakeup works as expected.
-TEST(MacCFSocketServerTest, TestWakeup) {
+TEST(MacCFSocketServerTest, DISABLED_TestWakeup) {
   MacCFSocketServer server;
   WakeThread thread(&server);
   uint32 start = Time();
@@ -51,7 +51,7 @@ TEST(MacCFSocketServerTest, TestWakeup) {
 }
 
 // Test that MacCarbonSocketServer::Wait works as expected.
-TEST(MacCarbonSocketServerTest, TestWait) {
+TEST(MacCarbonSocketServerTest, DISABLED_TestWait) {
   MacCarbonSocketServer server;
   uint32 start = Time();
   server.Wait(1000, true);
@@ -59,7 +59,7 @@ TEST(MacCarbonSocketServerTest, TestWait) {
 }
 
 // Test that MacCarbonSocketServer::Wakeup works as expected.
-TEST(MacCarbonSocketServerTest, TestWakeup) {
+TEST(MacCarbonSocketServerTest, DISABLED_TestWakeup) {
   MacCarbonSocketServer server;
   WakeThread thread(&server);
   uint32 start = Time();
@@ -69,7 +69,7 @@ TEST(MacCarbonSocketServerTest, TestWakeup) {
 }
 
 // Test that MacCarbonAppSocketServer::Wait works as expected.
-TEST(MacCarbonAppSocketServerTest, TestWait) {
+TEST(MacCarbonAppSocketServerTest, DISABLED_TestWait) {
   MacCarbonAppSocketServer server;
   uint32 start = Time();
   server.Wait(1000, true);
@@ -77,7 +77,7 @@ TEST(MacCarbonAppSocketServerTest, TestWait) {
 }
 
 // Test that MacCarbonAppSocketServer::Wakeup works as expected.
-TEST(MacCarbonAppSocketServerTest, TestWakeup) {
+TEST(MacCarbonAppSocketServerTest, DISABLED_TestWakeup) {
   MacCarbonAppSocketServer server;
   WakeThread thread(&server);
   uint32 start = Time();
@@ -226,11 +226,11 @@ class MacCarbonAppAsyncSocketTest : public MacAsyncSocketTest {
   };
 };
 
-TEST_F(MacCarbonAppAsyncSocketTest, TestSocketServerWaitIPv4) {
+TEST_F(MacCarbonAppAsyncSocketTest, DISABLED_TestSocketServerWaitIPv4) {
   SocketTest::TestSocketServerWaitIPv4();
 }
 
-TEST_F(MacCarbonAppAsyncSocketTest, TestSocketServerWaitIPv6) {
+TEST_F(MacCarbonAppAsyncSocketTest, DISABLED_TestSocketServerWaitIPv6) {
   SocketTest::TestSocketServerWaitIPv6();
 }
 #endif
diff --git a/webrtc/base/stream_unittest.cc b/webrtc/base/stream_unittest.cc
index a6664d716..5c2cb576e 100644
--- a/webrtc/base/stream_unittest.cc
+++ b/webrtc/base/stream_unittest.cc
@@ -10,6 +10,7 @@
 
 #include "webrtc/base/gunit.h"
 #include "webrtc/base/stream.h"
+#include "webrtc/test/testsupport/gtest_disable.h"
 
 namespace rtc {
 
@@ -434,7 +435,7 @@ TEST(FifoBufferTest, WriteOffsetAndReadOffset) {
   EXPECT_EQ(SR_BLOCK, buf.ReadOffset(out, 10, 16, NULL));
 }
 
-TEST(AsyncWriteTest, TestWrite) {
+TEST(AsyncWriteTest, DISABLED_ON_MAC(TestWrite)) {
   FifoBuffer* buf = new FifoBuffer(100);
   AsyncWriteStream stream(buf, Thread::Current());
   EXPECT_EQ(SS_OPEN, stream.GetState());
diff --git a/webrtc/base/task_unittest.cc b/webrtc/base/task_unittest.cc
index bdc646a58..b74c29fe9 100644
--- a/webrtc/base/task_unittest.cc
+++ b/webrtc/base/task_unittest.cc
@@ -289,7 +289,7 @@ class TaskTest : public sigslot::has_slots<> {
   TaskInfo happy_[HAPPY_TASK_COUNT];
 };
 
-TEST(start_task_test, Timeout) {
+TEST(start_task_test, DISABLED_ON_MAC(Timeout)) {
   TaskTest task_test;
   task_test.Start();
   task_test.check_passed();
@@ -480,7 +480,7 @@ class TimeoutChangeTest : public sigslot::has_slots<> {
   DISALLOW_EVIL_CONSTRUCTORS(TimeoutChangeTest);
 };
 
-TEST(start_task_test, TimeoutChange) {
+TEST(start_task_test, DISABLED_ON_MAC(TimeoutChange)) {
   TimeoutChangeTest timeout_change_test;
   timeout_change_test.Start();
 }
diff --git a/webrtc/base/thread_checker_unittest.cc b/webrtc/base/thread_checker_unittest.cc
index 877cc86b8..25b9f503b 100644
--- a/webrtc/base/thread_checker_unittest.cc
+++ b/webrtc/base/thread_checker_unittest.cc
@@ -105,7 +105,7 @@ class DeleteThreadCheckerClassOnThread : public Thread {
 
 }  // namespace
 
-TEST(ThreadCheckerTest, CallsAllowedOnSameThread) {
+TEST(ThreadCheckerTest, DISABLED_ON_MAC(CallsAllowedOnSameThread)) {
   scoped_ptr<ThreadCheckerClass> thread_checker_class(
       new ThreadCheckerClass);