diff --git a/src/Monitoring/ThreadUpdater.coffee b/src/Monitoring/ThreadUpdater.coffee
index 96c655554..948c49251 100755
--- a/src/Monitoring/ThreadUpdater.coffee
+++ b/src/Monitoring/ThreadUpdater.coffee
@@ -138,7 +138,6 @@ ThreadUpdater =
           ThreadUpdater.thread.kill()
           $.event 'ThreadUpdate',
             404: true
-            thread: {fullID: ThreadUpdater.thread.fullID}
         else
           ThreadUpdater.outdateCount++
           ThreadUpdater.setInterval()
@@ -256,9 +255,6 @@ ThreadUpdater =
       node = Build.postFromObject postObject, ThreadUpdater.thread.board.ID
       posts.push new Post node, ThreadUpdater.thread, ThreadUpdater.thread.board
 
-    deletedPosts = []
-    deletedFiles = []
-
     # Check for deleted posts/files.
     ThreadUpdater.thread.posts.forEach (post) ->
       # XXX tmp fix for 4chan's racing condition
@@ -268,12 +264,10 @@ ThreadUpdater =
 
       unless ID in index
         post.kill()
-        deletedPosts.push {ID: post.ID, fullID: post.fullID}
       else if post.isDead
         post.resurrect()
       else if post.file and not (post.file.isDead or ID in files)
         post.kill true
-        deletedFiles.push {ID: post.ID, fullID: post.fullID}
 
       # Fetching your own posts after posting
       if ThreadUpdater.postID and ThreadUpdater.postID is ID
@@ -318,9 +312,7 @@ ThreadUpdater =
 
     $.event 'ThreadUpdate',
       404: false
-      thread: {ID: ThreadUpdater.thread.ID, fullID: ThreadUpdater.thread.fullID}
-      newPosts: {ID: post.ID, fullID: post.fullID} for post in posts
-      deletedPosts: deletedPosts
-      deletedFiles: deletedFiles
+      threadID: ThreadUpdater.thread.fullID
+      newPosts: posts.map (post) -> post.fullID
       postCount: OP.replies + 1
       fileCount: OP.images + (!!ThreadUpdater.thread.OP.file and !ThreadUpdater.thread.OP.file.isDead)
diff --git a/src/Monitoring/ThreadWatcher.coffee b/src/Monitoring/ThreadWatcher.coffee
index d8932d84f..7510995a7 100755
--- a/src/Monitoring/ThreadWatcher.coffee
+++ b/src/Monitoring/ThreadWatcher.coffee
@@ -104,7 +104,7 @@ ThreadWatcher =
           ThreadWatcher.db.set {boardID, threadID, val: data}
       ThreadWatcher.refresh()
     onThreadRefresh: (e) ->
-      thread = g.threads[e.detail.thread.fullID]
+      thread = g.threads[e.detail.threadID]
       return unless e.detail[404] and ThreadWatcher.db.get {boardID: thread.board.ID, threadID: thread.ID}
       # Update 404 status.
       ThreadWatcher.add thread
diff --git a/src/Monitoring/Unread.coffee b/src/Monitoring/Unread.coffee
index dc9adacc9..88c691470 100755
--- a/src/Monitoring/Unread.coffee
+++ b/src/Monitoring/Unread.coffee
@@ -114,7 +114,7 @@ Unread =
     if e.detail[404]
       Unread.update()
     else if !QuoteThreading.enabled
-      Unread.addPosts(g.posts[post.fullID] for post in e.detail.newPosts)
+      Unread.addPosts e.detail.newPosts.map (fullID) -> g.posts[fullID]
     else
       Unread.read()
       Unread.update()