--- a/browser/base/content/browser-social.js
+++ b/browser/base/content/browser-social.js
@@ -199,16 +199,35 @@ let SocialUI = {
                                   .getInterface(Ci.nsIWebNavigation)
                                   .QueryInterface(Ci.nsIDocShell)
                                   .chromeEventHandler;
     let containerParent = container.parentNode;
     if (containerParent.classList.contains("social-panel") &&
         containerParent instanceof Ci.nsIDOMXULPopupElement) {
       containerParent.hidePopup();
     }
+  },
+
+  disableWithConfirmation: function SocialUI_disableWithConfirmation() {
+    let brandShortName = document.getElementById("bundle_brand").getString("brandShortName");
+    let dialogTitle = gNavigatorBundle.getFormattedString("social.remove.confirmationOK",
+                                                          [Social.provider.name]);
+    let text = gNavigatorBundle.getFormattedString("social.remove.confirmationLabel",
+                                                   [Social.provider.name, brandShortName]);
+    let okButtonText = dialogTitle;
+
+    let ps = Services.prompt;
+    let flags = ps.BUTTON_TITLE_IS_STRING * ps.BUTTON_POS_0 +
+                ps.BUTTON_TITLE_CANCEL * ps.BUTTON_POS_1 +
+                ps.BUTTON_POS_0_DEFAULT;
+
+    let confirmationIndex = ps.confirmEx(null, dialogTitle, text, flags,
+                                         okButtonText, null, null, null, {});
+    if (confirmationIndex == 0)
+      Social.active = false;
   }
 }
 
 let SocialChatBar = {
   get chatbar() {
     return document.getElementById("pinnedchats");
   },
   // Whether the chats can be shown for this window.
@@ -653,16 +672,25 @@ var SocialMenu = {
     }
   }
 };
 
 var SocialToolbar = {
   // Called once, after window load, when the Social.provider object is initialized
   init: function SocialToolbar_init() {
     this.button.setAttribute("image", Social.provider.iconURL);
+
+    let removeItem = document.getElementById("social-remove-menuitem");
+    let brandShortName = document.getElementById("bundle_brand").getString("brandShortName");
+    let label = gNavigatorBundle.getFormattedString("social.remove.label",
+                                                    [brandShortName]);
+    let accesskey = gNavigatorBundle.getString("social.remove.accesskey");
+    removeItem.setAttribute("label", label);
+    removeItem.setAttribute("accesskey", accesskey);
+
     this.updateButton();
     this.updateProfile();
     this._dynamicResizer = new DynamicResizeWatcher();
   },
 
   get button() {
     return document.getElementById("social-provider-button");
   },

--- a/browser/base/content/browser.xul
+++ b/browser/base/content/browser.xul
@@ -686,16 +686,19 @@
                       label="&social.toggleSidebar.label;"
                       accesskey="&social.toggleSidebar.accesskey;"/>
             <menuitem id="social-toggle-notifications-menuitem"
                       type="checkbox"
                       autocheck="false"
                       command="Social:ToggleNotifications"
                       label="&social.toggleNotifications.label;"
                       accesskey="&social.toggleNotifications.accesskey;"/>
+            <menuseparator/>
+            <menuitem id="social-remove-menuitem"
+                      oncommand="SocialUI.disableWithConfirmation();"/>
           </menupopup>
         </toolbarbutton>
       </toolbaritem>
 
       <toolbaritem id="bookmarks-menu-button-container"
                    class="chromeclass-toolbar-additional"
                    removable="true"
                    title="&bookmarksMenuButton.label;">

--- a/browser/locales/en-US/chrome/browser/browser.properties
+++ b/browser/locales/en-US/chrome/browser/browser.properties
@@ -389,16 +389,24 @@ fullscreen.rememberDecision=Remember dec
 
 # LOCALIZATION NOTE (social.toggle.label): %1$S is the name of the social provider, %2$S is brandShortName (e.g. Firefox)
 social.toggle.label=%1$S for %2$S
 social.toggle.accesskey=f
 
 # LOCALIZATION NOTE (social.activated.description): %1$S is the name of the social provider, %2$S is brandShortName (e.g. Firefox)
 social.activated.description=You've turned on %1$S for %2$S.
 
+# LOCALIZATION NOTE (social.remove.label): %S = brandShortName
+social.remove.label=Remove from %S
+social.remove.accesskey=R
+# LOCALIZATION NOTE (social.remove.confirmationLabel): %1$S is the name of the social provider, %2$S is brandShortName (e.g. Firefox)
+social.remove.confirmationLabel=Are you sure you want to remove %1$S for %2$S?
+# LOCALIZATION NOTE (social.remove.confirmationOK): %S is the name of the social provider
+social.remove.confirmationOK=Remove %S
+
 # LOCALIZATION NOTE (social.error.message): %1$S is brandShortName (e.g. Firefox), %2$S is the name of the social provider
 social.error.message=%1$S is unable to connect with %2$S right now.
 social.error.tryAgain.label=Try Again
 social.error.tryAgain.accesskey=T
 social.error.ok.label=OK
 social.error.ok.accesskey=O
 social.error.closeSidebar.label=Close This Sidebar
 social.error.closeSidebar.accesskey=C