diff --git a/talk/app/webrtc/peerconnection.cc b/talk/app/webrtc/peerconnection.cc
index b64caf7dd..64ddcad1b 100644
--- a/talk/app/webrtc/peerconnection.cc
+++ b/talk/app/webrtc/peerconnection.cc
@@ -420,11 +420,6 @@ bool PeerConnection::AddStream(MediaStreamInterface* local_stream) {
   return true;
 }
 
-bool PeerConnection::AddStream(MediaStreamInterface* local_stream,
-                               const MediaConstraintsInterface* constraints) {
-  return AddStream(local_stream);
-}
-
 void PeerConnection::RemoveStream(MediaStreamInterface* local_stream) {
   mediastream_signaling_->RemoveLocalStream(local_stream);
   if (IsClosed()) {
diff --git a/talk/app/webrtc/peerconnection.h b/talk/app/webrtc/peerconnection.h
index 355211c35..68aa15465 100644
--- a/talk/app/webrtc/peerconnection.h
+++ b/talk/app/webrtc/peerconnection.h
@@ -66,8 +66,6 @@ class PeerConnection : public PeerConnectionInterface,
   virtual rtc::scoped_refptr<StreamCollectionInterface> local_streams();
   virtual rtc::scoped_refptr<StreamCollectionInterface> remote_streams();
   virtual bool AddStream(MediaStreamInterface* local_stream);
-  virtual bool AddStream(MediaStreamInterface* local_stream,
-                         const MediaConstraintsInterface* constraints);
   virtual void RemoveStream(MediaStreamInterface* local_stream);
 
   virtual rtc::scoped_refptr<DtmfSenderInterface> CreateDtmfSender(
diff --git a/talk/app/webrtc/peerconnectioninterface.h b/talk/app/webrtc/peerconnectioninterface.h
index 68b78798f..73a48124a 100644
--- a/talk/app/webrtc/peerconnectioninterface.h
+++ b/talk/app/webrtc/peerconnectioninterface.h
@@ -255,15 +255,7 @@ class PeerConnectionInterface : public rtc::RefCountInterface {
   // Add a new MediaStream to be sent on this PeerConnection.
   // Note that a SessionDescription negotiation is needed before the
   // remote peer can receive the stream.
-  // TODO(perkj): Make pure virtual once Chrome mocks have implemented.
-  virtual bool AddStream(MediaStreamInterface* stream) { return false;}
-
-  // Deprecated:
-  // TODO(perkj): Remove once its not used by Chrome.
-  virtual bool AddStream(MediaStreamInterface* stream,
-                         const MediaConstraintsInterface* constraints) {
-    return false;
-  }
+  virtual bool AddStream(MediaStreamInterface* stream) = 0;
 
   // Remove a MediaStream from this PeerConnection.
   // Note that a SessionDescription negotiation is need before the
@@ -351,10 +343,6 @@ class PeerConnectionObserver {
     kIceState,
   };
 
-  // Deprecated.
-  // TODO(perkj): Remove once its not used by Chrome.
-  virtual void OnError() {}
-
   // Triggered when the SignalingState changed.
   virtual void OnSignalingChange(
      PeerConnectionInterface::SignalingState new_state) {}
diff --git a/talk/app/webrtc/peerconnectionproxy.h b/talk/app/webrtc/peerconnectionproxy.h
index 571c67611..852d8520e 100644
--- a/talk/app/webrtc/peerconnectionproxy.h
+++ b/talk/app/webrtc/peerconnectionproxy.h
@@ -40,8 +40,6 @@ BEGIN_PROXY_MAP(PeerConnection)
   PROXY_METHOD0(rtc::scoped_refptr<StreamCollectionInterface>,
                 remote_streams)
   PROXY_METHOD1(bool, AddStream, MediaStreamInterface*)
-  PROXY_METHOD2(bool, AddStream, MediaStreamInterface*,
-                const MediaConstraintsInterface*);
   PROXY_METHOD1(void, RemoveStream, MediaStreamInterface*)
   PROXY_METHOD1(rtc::scoped_refptr<DtmfSenderInterface>,
                 CreateDtmfSender, AudioTrackInterface*)