--- a/browser/components/loop/MozLoopAPI.jsm
+++ b/browser/components/loop/MozLoopAPI.jsm
@@ -469,16 +469,23 @@ function injectLoopAPI(targetWindow) {
 
     LOOP_SESSION_TYPE: {
       enumerable: true,
       get: function() {
         return Cu.cloneInto(LOOP_SESSION_TYPE, targetWindow);
       }
     },
 
+    fxAEnabled: {
+      enumerable: true,
+      get: function() {
+        return MozLoopService.fxAEnabled;
+      },
+    },
+
     logInToFxA: {
       enumerable: true,
       writable: true,
       value: function() {
         return MozLoopService.logInToFxA();
       }
     },
 

--- a/browser/components/loop/MozLoopService.jsm
+++ b/browser/components/loop/MozLoopService.jsm
@@ -80,16 +80,17 @@ XPCOMUtils.defineLazyGetter(this, "log",
 // The current deferred for the registration process. This is set if in progress
 // or the registration was successful. This is null if a registration attempt was
 // unsuccessful.
 let gRegisteredDeferred = null;
 let gPushHandler = null;
 let gHawkClient = null;
 let gLocalizedStrings =  null;
 let gInitializeTimer = null;
+let gFxAEnabled = true;
 let gFxAOAuthClientPromise = null;
 let gFxAOAuthClient = null;
 let gFxAOAuthTokenData = null;
 let gFxAOAuthProfile = null;
 let gErrors = new Map();
 
  /**
  * Attempts to open a websocket.
@@ -1068,16 +1069,23 @@ this.MozLoopService = {
     Object.freeze(this);
 
     // Don't do anything if loop is not enabled.
     if (!Services.prefs.getBoolPref("loop.enabled") ||
         Services.prefs.getBoolPref("loop.throttled")) {
       return;
     }
 
+    if (Services.prefs.getPrefType("loop.fxa.enabled") == Services.prefs.PREF_BOOL) {
+      gFxAEnabled = Services.prefs.getBoolPref("loop.fxa.enabled");
+      if (!gFxAEnabled) {
+        this.logOutFromFxA();
+      }
+    }
+
     // If expiresTime is in the future then kick-off registration.
     if (MozLoopServiceInternal.urlExpiryTimeIsInFuture()) {
       gInitializeTimerFunc();
     }
   },
 
   /**
    * If we're operating the service in "soft start" mode, and this browser
@@ -1255,16 +1263,20 @@ this.MozLoopService = {
    * Sets MozLoopService "do not disturb" value.
    *
    * @param {Boolean} aFlag
    */
   set doNotDisturb(aFlag) {
     MozLoopServiceInternal.doNotDisturb = aFlag;
   },
 
+  get fxAEnabled() {
+    return gFxAEnabled;
+  },
+
   get userProfile() {
     return gFxAOAuthProfile;
   },
 
   get errors() {
     return MozLoopServiceInternal.errors;
   },
 

--- a/browser/components/loop/content/js/panel.js
+++ b/browser/components/loop/content/js/panel.js
@@ -225,16 +225,22 @@ loop.panel = (function(_, mozL10n) {
     },
 
     _isSignedIn: function() {
       return !!navigator.mozLoop.userProfile;
     },
 
     render: function() {
       var cx = React.addons.classSet;
+
+      // For now all of the menu entries require FxA so hide the whole gear if FxA is disabled.
+      if (!navigator.mozLoop.fxAEnabled) {
+        return null;
+      }
+
       return (
         React.DOM.div({className: "settings-menu dropdown"}, 
           React.DOM.a({className: "button-settings", onClick: this.showDropdownMenu, 
              title: __("settings_menu_button_tooltip")}), 
           React.DOM.ul({className: cx({"dropdown-menu": true, hide: !this.state.showMenu}), 
               onMouseLeave: this.hideDropdownMenu}, 
             SettingsDropdownEntry({label: __("settings_menu_item_settings"), 
                                    onClick: this.handleClickSettingsEntry, 
@@ -243,16 +249,17 @@ loop.panel = (function(_, mozL10n) {
             SettingsDropdownEntry({label: __("settings_menu_item_account"), 
                                    onClick: this.handleClickAccountEntry, 
                                    icon: "account", 
                                    displayed: this._isSignedIn()}), 
             SettingsDropdownEntry({label: this._isSignedIn() ?
                                           __("settings_menu_item_signout") :
                                           __("settings_menu_item_signin"), 
                                    onClick: this.handleClickAuthEntry, 
+                                   displayed: navigator.mozLoop.fxAEnabled, 
                                    icon: this._isSignedIn() ? "signout" : "signin"})
           )
         )
       );
     }
   });
 
   /**
@@ -400,17 +407,17 @@ loop.panel = (function(_, mozL10n) {
    * FxA sign in/up link component.
    */
   var AuthLink = React.createClass({displayName: 'AuthLink',
     handleSignUpLinkClick: function() {
       navigator.mozLoop.logInToFxA();
     },
 
     render: function() {
-      if (navigator.mozLoop.userProfile) {
+      if (!navigator.mozLoop.fxAEnabled || navigator.mozLoop.userProfile) {
         return null;
       }
       return (
         React.DOM.p({className: "signin-link"}, 
           React.DOM.a({href: "#", onClick: this.handleSignUpLinkClick}, 
             __("panel_footer_signin_or_signup_link")
           )
         )
@@ -577,16 +584,17 @@ loop.panel = (function(_, mozL10n) {
     var evtObject = document.createEvent('Event');
     evtObject.initEvent('loopPanelInitialized', true, false);
     window.dispatchEvent(evtObject);
   }
 
   return {
     init: init,
     UserIdentity: UserIdentity,
+    AuthLink: AuthLink,
     AvailabilityDropdown: AvailabilityDropdown,
     CallUrlResult: CallUrlResult,
     PanelView: PanelView,
     SettingsDropdown: SettingsDropdown,
     ToSView: ToSView
   };
 })(_, document.mozL10n);
 

--- a/browser/components/loop/content/js/panel.jsx
+++ b/browser/components/loop/content/js/panel.jsx
@@ -225,16 +225,22 @@ loop.panel = (function(_, mozL10n) {
     },
 
     _isSignedIn: function() {
       return !!navigator.mozLoop.userProfile;
     },
 
     render: function() {
       var cx = React.addons.classSet;
+
+      // For now all of the menu entries require FxA so hide the whole gear if FxA is disabled.
+      if (!navigator.mozLoop.fxAEnabled) {
+        return null;
+      }
+
       return (
         <div className="settings-menu dropdown">
           <a className="button-settings" onClick={this.showDropdownMenu}
              title={__("settings_menu_button_tooltip")} />
           <ul className={cx({"dropdown-menu": true, hide: !this.state.showMenu})}
               onMouseLeave={this.hideDropdownMenu}>
             <SettingsDropdownEntry label={__("settings_menu_item_settings")}
                                    onClick={this.handleClickSettingsEntry}
@@ -243,16 +249,17 @@ loop.panel = (function(_, mozL10n) {
             <SettingsDropdownEntry label={__("settings_menu_item_account")}
                                    onClick={this.handleClickAccountEntry}
                                    icon="account"
                                    displayed={this._isSignedIn()} />
             <SettingsDropdownEntry label={this._isSignedIn() ?
                                           __("settings_menu_item_signout") :
                                           __("settings_menu_item_signin")}
                                    onClick={this.handleClickAuthEntry}
+                                   displayed={navigator.mozLoop.fxAEnabled}
                                    icon={this._isSignedIn() ? "signout" : "signin"} />
           </ul>
         </div>
       );
     }
   });
 
   /**
@@ -400,17 +407,17 @@ loop.panel = (function(_, mozL10n) {
    * FxA sign in/up link component.
    */
   var AuthLink = React.createClass({
     handleSignUpLinkClick: function() {
       navigator.mozLoop.logInToFxA();
     },
 
     render: function() {
-      if (navigator.mozLoop.userProfile) {
+      if (!navigator.mozLoop.fxAEnabled || navigator.mozLoop.userProfile) {
         return null;
       }
       return (
         <p className="signin-link">
           <a href="#" onClick={this.handleSignUpLinkClick}>
             {__("panel_footer_signin_or_signup_link")}
           </a>
         </p>
@@ -577,16 +584,17 @@ loop.panel = (function(_, mozL10n) {
     var evtObject = document.createEvent('Event');
     evtObject.initEvent('loopPanelInitialized', true, false);
     window.dispatchEvent(evtObject);
   }
 
   return {
     init: init,
     UserIdentity: UserIdentity,
+    AuthLink: AuthLink,
     AvailabilityDropdown: AvailabilityDropdown,
     CallUrlResult: CallUrlResult,
     PanelView: PanelView,
     SettingsDropdown: SettingsDropdown,
     ToSView: ToSView
   };
 })(_, document.mozL10n);
 

--- a/browser/components/loop/test/desktop-local/panel_test.js
+++ b/browser/components/loop/test/desktop-local/panel_test.js
@@ -20,16 +20,17 @@ describe("loop.panel", function() {
     // https://github.com/cjohansen/Sinon.JS/issues/393
     fakeXHR.xhr.onCreate = function (xhr) {
       requests.push(xhr);
     };
     notifications = new loop.shared.models.NotificationCollection();
 
     navigator.mozLoop = {
       doNotDisturb: true,
+      fxAEnabled: true,
       getStrings: function() {
         return JSON.stringify({textContent: "fakeText"});
       },
       get locale() {
         return "en-US";
       },
       setLoopCharPref: sandbox.stub(),
       getLoopCharPref: sandbox.stub().returns("unseen"),
@@ -172,27 +173,49 @@ describe("loop.panel", function() {
           navigator.mozLoop.loggedInToFxA = false;
           navigator.mozLoop.logInToFxA = sandbox.stub();
 
           TestUtils.Simulate.click(
             view.getDOMNode().querySelector(".signin-link a"));
 
           sinon.assert.calledOnce(navigator.mozLoop.logInToFxA);
         });
+
+      it("should be hidden if FxA is not enabled",
+        function() {
+          navigator.mozLoop.fxAEnabled = false;
+          var view = TestUtils.renderIntoDocument(loop.panel.AuthLink());
+          expect(view.getDOMNode()).to.be.null;
       });
 
+      afterEach(function() {
+        navigator.mozLoop.fxAEnabled = true;
+      });
+    });
+
     describe("SettingsDropdown", function() {
       var view;
 
       beforeEach(function() {
         navigator.mozLoop.logInToFxA = sandbox.stub();
         navigator.mozLoop.logOutFromFxA = sandbox.stub();
         navigator.mozLoop.openFxASettings = sandbox.stub();
       });
 
+      afterEach(function() {
+        navigator.mozLoop.fxAEnabled = true;
+      });
+
+      it("should be hidden if FxA is not enabled",
+        function() {
+          navigator.mozLoop.fxAEnabled = false;
+          var view = TestUtils.renderIntoDocument(loop.panel.SettingsDropdown());
+          expect(view.getDOMNode()).to.be.null;
+      });
+
       it("should show a signin entry when user is not authenticated",
         function() {
           navigator.mozLoop.loggedInToFxA = false;
 
           var view = TestUtils.renderIntoDocument(loop.panel.SettingsDropdown());
 
           expect(view.getDOMNode().querySelectorAll(".icon-signout"))
             .to.have.length.of(0);