diff --git a/app/assets/javascripts/discourse/controllers/topic_controller.js b/app/assets/javascripts/discourse/controllers/topic_controller.js
index c6bdf654fac..da9a63c7345 100644
--- a/app/assets/javascripts/discourse/controllers/topic_controller.js
+++ b/app/assets/javascripts/discourse/controllers/topic_controller.js
@@ -400,7 +400,7 @@ Discourse.TopicController = Discourse.ObjectController.extend(Discourse.Selected
       if (data.type === "revised" || data.type === "acted"){
         // TODO we could update less data for "acted"
         // (only post actions)
-        postStream.triggerChangedPost(data.id, data.updated_at, data.type);
+        postStream.triggerChangedPost(data.id, data.updated_at);
         return;
       }
 
diff --git a/app/assets/javascripts/discourse/models/post_stream.js b/app/assets/javascripts/discourse/models/post_stream.js
index 1340683864a..4179812ffc5 100644
--- a/app/assets/javascripts/discourse/models/post_stream.js
+++ b/app/assets/javascripts/discourse/models/post_stream.js
@@ -504,7 +504,7 @@ Discourse.PostStream = Em.Object.extend({
     }
   },
 
-  triggerChangedPost: function(postId, updatedAt, type) {
+  triggerChangedPost: function(postId, updatedAt) {
     if (!postId) { return; }
 
     var postIdentityMap = this.get('postIdentityMap'),