--- a/media/webrtc/signaling/src/jsep/JsepSessionImpl.cpp
+++ b/media/webrtc/signaling/src/jsep/JsepSessionImpl.cpp
@@ -1000,21 +1000,16 @@ JsepSessionImpl::CreateAnswerMSection(co
     rv = BindMatchingLocalTrackToAnswer(&msection);
     NS_ENSURE_SUCCESS(rv, rv);
   }
 
   if (remoteMsection.IsSending()) {
     BindMatchingRemoteTrackToAnswer(&msection);
   }
 
-  if (!msection.IsReceiving() && !msection.IsSending()) {
-    mSdpHelper.DisableMsection(sdp, &msection);
-    return NS_OK;
-  }
-
   // Add extmap attributes.
   AddCommonExtmaps(remoteMsection, &msection);
 
   if (msection.GetFormats().empty()) {
     // Could not negotiate anything. Disable m-section.
     mSdpHelper.DisableMsection(sdp, &msection);
   }