diff --git a/talk/session/media/channelmanager.cc b/talk/session/media/channelmanager.cc
index 199bc8621d..45e7e4764a 100644
--- a/talk/session/media/channelmanager.cc
+++ b/talk/session/media/channelmanager.cc
@@ -137,12 +137,6 @@ void ChannelManager::Construct(MediaEngineInterface* me,
       this, &ChannelManager::OnVideoCaptureStateChange);
   capture_manager_->SignalCapturerStateChange.connect(
       this, &ChannelManager::OnVideoCaptureStateChange);
-
-  if (worker_thread_ != rtc::Thread::Current()) {
-    // Do not allow invoking calls to other threads on the worker thread.
-    worker_thread_->Invoke<bool>(
-        rtc::Bind(&rtc::Thread::SetAllowBlockingCalls, worker_thread_, false));
-  }
 }
 
 ChannelManager::~ChannelManager() {