diff --git a/api/peer_connection_interface.h b/api/peer_connection_interface.h
index 8ffb8ae7a9..b699609622 100644
--- a/api/peer_connection_interface.h
+++ b/api/peer_connection_interface.h
@@ -1150,7 +1150,7 @@ class PeerConnectionObserver {
   //
   // TODO(jonasolsson): deprecate and remove this.
   virtual void OnIceConnectionChange(
-      PeerConnectionInterface::IceConnectionState new_state) = 0;
+      PeerConnectionInterface::IceConnectionState new_state) {}
 
   // Called any time the standards-compliant IceConnectionState changes.
   virtual void OnStandardizedIceConnectionChange(