--- a/build/mach_bootstrap.py
+++ b/build/mach_bootstrap.py
@@ -42,17 +42,16 @@ SEARCH_PATHS = [
     'other-licenses/ply',
     'xpcom/idl-parser',
     'testing',
     'testing/xpcshell',
     'testing/web-platform',
     'testing/web-platform/harness',
     'testing/marionette/client/marionette',
     'testing/marionette/transport',
-    'testing/marionette/driver',
     'testing/mozbase/mozcrash',
     'testing/mozbase/mozdebug',
     'testing/mozbase/mozdevice',
     'testing/mozbase/mozfile',
     'testing/mozbase/mozhttpd',
     'testing/mozbase/mozlog',
     'testing/mozbase/moznetwork',
     'testing/mozbase/mozprocess',

--- a/build/virtualenv_packages.txt
+++ b/build/virtualenv_packages.txt
@@ -1,10 +1,9 @@
 marionette_transport.pth:testing/marionette/transport
-marionette_driver.pth:testing/marionette/driver
 marionette.pth:testing/marionette/client
 blessings.pth:python/blessings
 configobj.pth:python/configobj
 jsmin.pth:python/jsmin
 mach.pth:python/mach
 mozbuild.pth:python/mozbuild
 pymake.pth:build/pymake
 optional:setup.py:python/psutil:build_ext:--inplace