diff --git a/webrtc/p2p/base/icetransportinternal.h b/webrtc/p2p/base/icetransportinternal.h
index bd3c78a770..05939629f8 100644
--- a/webrtc/p2p/base/icetransportinternal.h
+++ b/webrtc/p2p/base/icetransportinternal.h
@@ -25,9 +25,6 @@ class MetricsObserverInterface;
 
 namespace cricket {
 
-class IceTransportInternal;
-typedef IceTransportInternal IceTransportInternal2;
-
 // TODO(zhihuang): replace it with PeerConnectionInterface::IceConnectionState.
 enum class IceTransportState {
   STATE_INIT,