diff --git a/src/test/java/rx/internal/operators/OperatorSwitchTest.java b/src/test/java/rx/internal/operators/OperatorSwitchTest.java
index 9a8178cb28..836192d3e6 100644
--- a/src/test/java/rx/internal/operators/OperatorSwitchTest.java
+++ b/src/test/java/rx/internal/operators/OperatorSwitchTest.java
@@ -867,7 +867,7 @@ public void call(Throwable e) {
                             });
                 }
             })
-            .timeout(10, TimeUnit.SECONDS)
+            .timeout(20, TimeUnit.SECONDS)
             .subscribe(ts);
             
             ts.awaitTerminalEvent(45, TimeUnit.SECONDS);
diff --git a/src/test/java/rx/internal/schedulers/ExecutorSchedulerTest.java b/src/test/java/rx/internal/schedulers/ExecutorSchedulerTest.java
index fad2435ce1..f80a32b041 100644
--- a/src/test/java/rx/internal/schedulers/ExecutorSchedulerTest.java
+++ b/src/test/java/rx/internal/schedulers/ExecutorSchedulerTest.java
@@ -48,7 +48,7 @@ public final void testHandledErrorIsNotDeliveredToThreadHandler() throws Interru
         SchedulerTests.testHandledErrorIsNotDeliveredToThreadHandler(getScheduler());
     }
     
-    @Test(timeout = 30000)
+    @Test(timeout = 60000)
     public void testCancelledTaskRetention() throws InterruptedException {
         ExecutorService exec = Executors.newSingleThreadExecutor();
         Scheduler s = Schedulers.from(exec);
diff --git a/src/test/java/rx/schedulers/ComputationSchedulerTests.java b/src/test/java/rx/schedulers/ComputationSchedulerTests.java
index 392ee03ccd..2988fab822 100644
--- a/src/test/java/rx/schedulers/ComputationSchedulerTests.java
+++ b/src/test/java/rx/schedulers/ComputationSchedulerTests.java
@@ -153,7 +153,7 @@ public final void testHandledErrorIsNotDeliveredToThreadHandler() throws Interru
         SchedulerTests.testHandledErrorIsNotDeliveredToThreadHandler(getScheduler());
     }
     
-    @Test(timeout = 30000)
+    @Test(timeout = 60000)
     public void testCancelledTaskRetention() throws InterruptedException {
         Worker w = Schedulers.computation().createWorker();
         try {
diff --git a/src/test/java/rx/schedulers/IoSchedulerTest.java b/src/test/java/rx/schedulers/IoSchedulerTest.java
index 38ddb2a2dd..775f6fd507 100644
--- a/src/test/java/rx/schedulers/IoSchedulerTest.java
+++ b/src/test/java/rx/schedulers/IoSchedulerTest.java
@@ -67,7 +67,7 @@ public final void testHandledErrorIsNotDeliveredToThreadHandler() throws Interru
         SchedulerTests.testHandledErrorIsNotDeliveredToThreadHandler(getScheduler());
     }
     
-    @Test(timeout = 30000)
+    @Test(timeout = 60000)
     public void testCancelledTaskRetention() throws InterruptedException {
         Worker w = Schedulers.io().createWorker();
         try {