--- a/testing/marionette/driver.js
+++ b/testing/marionette/driver.js
@@ -3378,17 +3378,16 @@ GeckoDriver.prototype.commands = {
   "findElement": GeckoDriver.prototype.findElement,
   "findElements": GeckoDriver.prototype.findElements,
   "fullscreen": GeckoDriver.prototype.fullscreen,
   "getActiveElement": GeckoDriver.prototype.getActiveElement,
   "getActiveFrame": GeckoDriver.prototype.getActiveFrame,
   "getAppCacheStatus": GeckoDriver.prototype.getAppCacheStatus,
   "getChromeWindowHandle": GeckoDriver.prototype.getChromeWindowHandle,
   "getChromeWindowHandles": GeckoDriver.prototype.getChromeWindowHandles,
-  "getContext": GeckoDriver.prototype.getContext,
   "getCookies": GeckoDriver.prototype.getCookies,
   "getCurrentChromeWindowHandle": GeckoDriver.prototype.getChromeWindowHandle,
   "getCurrentUrl": GeckoDriver.prototype.getCurrentUrl,
   "getElementAttribute": GeckoDriver.prototype.getElementAttribute,
   "getElementProperty": GeckoDriver.prototype.getElementProperty,
   "getElementRect": GeckoDriver.prototype.getElementRect,
   "getElementTagName": GeckoDriver.prototype.getElementTagName,
   "getElementText": GeckoDriver.prototype.getElementText,
@@ -3414,17 +3413,16 @@ GeckoDriver.prototype.commands = {
   "maximizeWindow": GeckoDriver.prototype.maximizeWindow,
   "multiAction": GeckoDriver.prototype.multiAction,
   "newSession": GeckoDriver.prototype.newSession,
   "performActions": GeckoDriver.prototype.performActions,
   "refresh":  GeckoDriver.prototype.refresh,
   "releaseActions": GeckoDriver.prototype.releaseActions,
   "sendKeysToDialog": GeckoDriver.prototype.sendKeysToDialog,
   "sendKeysToElement": GeckoDriver.prototype.sendKeysToElement,
-  "setContext": GeckoDriver.prototype.setContext,
   "setScreenOrientation": GeckoDriver.prototype.setScreenOrientation,
   "setTimeouts": GeckoDriver.prototype.setTimeouts,
   "setWindowPosition": GeckoDriver.prototype.setWindowRect, // redirect for compatibility
   "setWindowRect": GeckoDriver.prototype.setWindowRect,
   "setWindowSize": GeckoDriver.prototype.setWindowRect, // redirect for compatibility
   "singleTap": GeckoDriver.prototype.singleTap,
   "switchToFrame": GeckoDriver.prototype.switchToFrame,
   "switchToParentFrame": GeckoDriver.prototype.switchToParentFrame,