--- a/browser/extensions/pocket/bootstrap.js
+++ b/browser/extensions/pocket/bootstrap.js
@@ -172,17 +172,16 @@ var PocketContextMenu = {
         if (element)
           element.remove();
       }
     }
   },
   observe: function(aSubject, aTopic, aData) {
     let subject = aSubject.wrappedJSObject;
     let document = subject.menu.ownerDocument;
-    let window = document.defaultView;
     let pocketEnabled = CustomizableUI.getPlacementOfWidget("pocket-button");
 
     let showSaveCurrentPageToPocket = !(subject.onTextInput || subject.onLink ||
                                         subject.isContentSelected || subject.onImage ||
                                         subject.onCanvas || subject.onVideo || subject.onAudio);
     let targetUrl = subject.onLink ? subject.linkUrl : subject.pageUrl;
     let targetURI = Services.io.newURI(targetUrl, null, null);
     let canPocket = pocketEnabled && (targetURI.schemeIs("http") || targetURI.schemeIs("https") ||

--- a/browser/extensions/pocket/content/main.js
+++ b/browser/extensions/pocket/content/main.js
@@ -47,29 +47,24 @@ XPCOMUtils.defineLazyModuleGetter(this, 
 XPCOMUtils.defineLazyModuleGetter(this, "ReaderMode",
   "resource://gre/modules/ReaderMode.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "pktApi",
   "chrome://pocket/content/pktApi.jsm");
 
 var pktUI = (function() {
 
     // -- Initialization (on startup and new windows) -- //
-    var inited = false;
     var _currentPanelDidShow;
     var _currentPanelDidHide;
-    var _isHidden = false;
-    var _notificationTimeout;
 
     // Init panel id at 0. The first actual panel id will have the number 1 so
     // in case at some point any panel has the id 0 we know there is something
     // wrong
     var _panelId = 0;
 
-    var prefBranch = Services.prefs.getBranch("extensions.pocket.settings.");
-
     var overflowMenuWidth = 230;
     var overflowMenuHeight = 475;
     var savePanelWidth = 350;
     var savePanelHeights = {collapsed: 153, expanded: 272};
 
     // -- Event Handling -- //
 
     /**
@@ -88,23 +83,16 @@ var pktUI = (function() {
             _currentPanelDidHide(event);
         }
 
         // clear the panel
         getPanelFrame().setAttribute('src', 'about:blank');
     }
 
 
-    /**
-     * Event handler when Pocket bookmark bar entry is pressed
-     */
-     function pocketBookmarkBarOpenPocketCommand(event) {
-        openTabWithUrl('https://getpocket.com/a/', true);
-     }
-
     // -- Communication to API -- //
 
     /**
      * Either save or attempt to log the user in
      */
     function tryToSaveCurrentPage() {
         tryToSaveUrl(getCurrentUrl(), getCurrentTitle());
     }
@@ -168,17 +156,17 @@ var pktUI = (function() {
             {
                 variant = 'overflow';
             }
             else
             {
                 variant = 'storyboard_lm';
             }
 
-            var panelId = showPanel("about:pocket-signup?pockethost="
+            showPanel("about:pocket-signup?pockethost="
                 + Services.prefs.getCharPref("extensions.pocket.site")
                 + "&fxasignedin="
                 + fxasignedin
                 + "&variant="
                 + variant
                 + '&controlvariant='
                 + controlvariant
                 + '&inoverflowmenu='
@@ -569,24 +557,16 @@ var pktUI = (function() {
         return null;
     }
 
     function isInOverflowMenu() {
         var subview = getSubview();
         return !!subview;
     }
 
-    function hasLegacyExtension() {
-        return !!document.getElementById('RIL_urlbar_add');
-    }
-
-    function isHidden() {
-        return _isHidden;
-    }
-
     function getFirefoxAccountSignedInUser(callback) {
         fxAccounts.getSignedInUser().then(userData => {
             callback(userData);
         }).then(null, error => {
             callback();
         });
     }
 

--- a/browser/extensions/pocket/content/panels/js/saved.js
+++ b/browser/extensions/pocket/content/panels/js/saved.js
@@ -23,24 +23,21 @@ var PKT_SAVED_OVERLAY = function (option
     this.mouseInside = false;
     this.userTags = [];
     this.cxt_suggested_available = 0;
     this.cxt_entered = 0;
     this.cxt_suggested = 0;
     this.cxt_removed = 0;
     this.justaddedsuggested = false;
     this.fillTagContainer = function(tags, container, tagclass) {
-        var newtagleft = 0;
         container.children().remove();
         for (var i = 0; i < tags.length; i++) {
             var newtag = $('<li><a href="#" class="token_tag ' + tagclass + '">' + tags[i] + '</a></li>');
             container.append(newtag);
-            var templeft = newtag.position().left;
             this.cxt_suggested_available++;
-            newtagleft = templeft;
         }
     };
     this.fillUserTags = function() {
         thePKT_SAVED.sendMessage("getTags", {}, function(resp)
         {
             if (typeof resp == 'object' && typeof resp.tags == 'object')
             {
                 myself.userTags = resp.tags;
@@ -602,9 +599,8 @@ PKT_SAVED.prototype = {
                 'https://'+ pocketHost +'/tos?s=ffi&t=tos&tv=panel_tryit',
                 'https://'+ pocketHost +'/privacy?s=ffi&t=privacypolicy&tv=panel_tryit'
             ]
         }, function(resp) {
         window.pocketStrings = resp.strings;
         window.thePKT_SAVED.create();
     });
 });
-

--- a/browser/extensions/pocket/content/panels/js/signup.js
+++ b/browser/extensions/pocket/content/panels/js/signup.js
@@ -58,18 +58,16 @@ var PKT_SIGNUP_OVERLAY = function (optio
         this.dictJSON = window.pocketStrings;
     };
 
 };
 
 PKT_SIGNUP_OVERLAY.prototype = {
     create : function()
     {
-        var myself = this;
-
         var controlvariant = window.location.href.match(/controlvariant=([\w|\.]*)&?/);
         if (controlvariant && controlvariant.length > 1)
         {
             this.controlvariant = controlvariant[1];
         }
         var variant = window.location.href.match(/variant=([\w|\.]*)&?/);
         if (variant && variant.length > 1)
         {
@@ -188,9 +186,8 @@ PKT_SIGNUP.prototype = {
                 'https://'+ pocketHost +'/tos?s=ffi&t=tos&tv=panel_tryit',
                 'https://'+ pocketHost +'/privacy?s=ffi&t=privacypolicy&tv=panel_tryit'
             ]
         }, function(resp) {
         window.pocketStrings = resp.strings;
         window.thePKT_SIGNUP.create();
     });
 });
-