diff --git a/builds/4chan-X.user.js b/builds/4chan-X.user.js
index ad0c83c0a..c4d8ef112 100644
--- a/builds/4chan-X.user.js
+++ b/builds/4chan-X.user.js
@@ -746,6 +746,10 @@
     };
   })();
 
+  $.desync = function(key) {
+    return delete $.syncing[g.NAMESPACE + key];
+  };
+
   $["delete"] = function(keys) {
     var key, _i, _len;
     if (!(keys instanceof Array)) {
@@ -1458,6 +1462,19 @@
       return typeof this.sync === "function" ? this.sync() : void 0;
     };
 
+    DataBoard.prototype.disconnect = function() {
+      var key, _i, _len, _results;
+      $.desync(this.key);
+      _results = [];
+      for (_i = 0, _len = this.length; _i < _len; _i++) {
+        key = this[_i];
+        if (this.hasOwnKey(key)) {
+          _results.push(delete this[key]);
+        }
+      }
+      return _results;
+    };
+
     return DataBoard;
 
   })();
@@ -9542,6 +9559,9 @@
       if (g.VIEW !== 'thread' || !Conf['Unread Count'] && !Conf['Unread Favicon'] && !Conf['Desktop Notifications']) {
         return;
       }
+      return Unread.connect();
+    },
+    connect: function() {
       this.db = new DataBoard('lastReadPosts', this.sync);
       this.hr = $.el('hr', {
         id: 'unread-line'
@@ -9553,6 +9573,28 @@
         cb: this.node
       });
     },
+    disconnect: function() {
+      var hr, name, parent, _i, _len, _ref;
+      if (!Unread.db) {
+        return;
+      }
+      Unread.db.disconnect();
+      if (parent = (hr = Unread.hr).parentElement) {
+        $.rm(hr, parent);
+      }
+      _ref = ['db', 'hr', 'posts', 'postsQuotingYou', 'thread', 'title', 'lastReadPost'];
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        name = _ref[_i];
+        delete Unread[name];
+      }
+      $.off(d, '4chanXInitFinished', Unread.ready);
+      $.off(d, 'ThreadUpdate', Unread.onUpdate);
+      $.off(d, 'scroll visibilitychange', Unread.read);
+      if (Conf['Unread Line']) {
+        $.off(d, 'visibilitychange', Unread.setLine);
+      }
+      return Thread.callbacks.rm('Unread');
+    },
     node: function() {
       Unread.thread = this;
       Unread.title = d.title;
diff --git a/builds/crx/script.js b/builds/crx/script.js
index e237cabbd..aa2390958 100644
--- a/builds/crx/script.js
+++ b/builds/crx/script.js
@@ -727,6 +727,10 @@
     };
   })();
 
+  $.desync = function(key) {
+    return delete $.syncing[key];
+  };
+
   $.localKeys = ['name', 'uniqueID', 'tripcode', 'capcode', 'email', 'subject', 'comment', 'flag', 'filename', 'dimensions', 'filesize', 'MD5', 'usercss'];
 
   $["delete"] = function(keys) {
@@ -1464,6 +1468,19 @@
       return typeof this.sync === "function" ? this.sync() : void 0;
     };
 
+    DataBoard.prototype.disconnect = function() {
+      var key, _i, _len, _results;
+      $.desync(this.key);
+      _results = [];
+      for (_i = 0, _len = this.length; _i < _len; _i++) {
+        key = this[_i];
+        if (this.hasOwnKey(key)) {
+          _results.push(delete this[key]);
+        }
+      }
+      return _results;
+    };
+
     return DataBoard;
 
   })();
@@ -9525,6 +9542,9 @@
       if (g.VIEW !== 'thread' || !Conf['Unread Count'] && !Conf['Unread Favicon'] && !Conf['Desktop Notifications']) {
         return;
       }
+      return Unread.connect();
+    },
+    connect: function() {
       this.db = new DataBoard('lastReadPosts', this.sync);
       this.hr = $.el('hr', {
         id: 'unread-line'
@@ -9536,6 +9556,28 @@
         cb: this.node
       });
     },
+    disconnect: function() {
+      var hr, name, parent, _i, _len, _ref;
+      if (!Unread.db) {
+        return;
+      }
+      Unread.db.disconnect();
+      if (parent = (hr = Unread.hr).parentElement) {
+        $.rm(hr, parent);
+      }
+      _ref = ['db', 'hr', 'posts', 'postsQuotingYou', 'thread', 'title', 'lastReadPost'];
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        name = _ref[_i];
+        delete Unread[name];
+      }
+      $.off(d, '4chanXInitFinished', Unread.ready);
+      $.off(d, 'ThreadUpdate', Unread.onUpdate);
+      $.off(d, 'scroll visibilitychange', Unread.read);
+      if (Conf['Unread Line']) {
+        $.off(d, 'visibilitychange', Unread.setLine);
+      }
+      return Thread.callbacks.rm('Unread');
+    },
     node: function() {
       Unread.thread = this;
       Unread.title = d.title;
diff --git a/src/General/lib/$.coffee b/src/General/lib/$.coffee
index d91010ae8..87807ac9c 100755
--- a/src/General/lib/$.coffee
+++ b/src/General/lib/$.coffee
@@ -268,6 +268,7 @@ $.item = (key, val) ->
   item
 
 $.syncing = {}
+
 <% if (type === 'crx') { %>
 $.sync = do ->
   chrome.storage.onChanged.addListener (changes) ->
@@ -277,6 +278,8 @@ $.sync = do ->
     return
   (key, cb) -> $.syncing[key] = cb
 
+$.desync = (key) -> delete $.syncing[key]
+
 $.localKeys = [
   # filters
   'name',
@@ -361,6 +364,8 @@ $.sync = do ->
       cb JSON.parse(newValue), key
   (key, cb) -> $.syncing[g.NAMESPACE + key] = cb
 
+$.desync = (key) -> delete $.syncing[g.NAMESPACE + key]
+
 $.delete = (keys) ->
   unless keys instanceof Array
     keys = [keys]
diff --git a/src/General/lib/databoard.class b/src/General/lib/databoard.class
index 1dc37e235..9318ff542 100755
--- a/src/General/lib/databoard.class
+++ b/src/General/lib/databoard.class
@@ -90,3 +90,7 @@ class DataBoard
   onSync: (data) =>
     @data = data or boards: {}
     @sync?()
+
+  disconnect: ->
+    $.desync @key
+    delete @[key] for key in @ when @hasOwnKey key
\ No newline at end of file
diff --git a/src/Monitoring/Unread.coffee b/src/Monitoring/Unread.coffee
index 059fa2dc6..11917d255 100755
--- a/src/Monitoring/Unread.coffee
+++ b/src/Monitoring/Unread.coffee
@@ -2,6 +2,9 @@ Unread =
   init: ->
     return if g.VIEW isnt 'thread' or !Conf['Unread Count'] and !Conf['Unread Favicon'] and !Conf['Desktop Notifications']
 
+    Unread.connect()
+  
+  connect: ->
     @db = new DataBoard 'lastReadPosts', @sync
     @hr = $.el 'hr',
       id: 'unread-line'
@@ -12,6 +15,21 @@ Unread =
       name: 'Unread'
       cb:   @node
 
+  disconnect: ->
+    return unless Unread.db
+
+    Unread.db.disconnect()
+    $.rm hr, parent if parent = (hr = Unread.hr).parentElement
+
+    delete Unread[name] for name in ['db', 'hr', 'posts', 'postsQuotingYou', 'thread', 'title', 'lastReadPost']
+
+    $.off d, '4chanXInitFinished',      Unread.ready
+    $.off d, 'ThreadUpdate',            Unread.onUpdate
+    $.off d, 'scroll visibilitychange', Unread.read
+    $.off d, 'visibilitychange',        Unread.setLine if Conf['Unread Line']
+
+    Thread.callbacks.rm 'Unread'
+
   node: ->
     Unread.thread = @
     Unread.title  = d.title