--- a/testing/testsuite-targets.mk
+++ b/testing/testsuite-targets.mk
@@ -531,20 +531,18 @@ stage-steeplechase: make-stage-dir
 	cp -RL $(DEPTH)/_tests/steeplechase $(PKG_STAGE)/steeplechase/tests
 	cp -RL $(DIST)/xpi-stage/specialpowers $(PKG_STAGE)/steeplechase
 	cp -RL $(topsrcdir)/testing/profiles/prefs_general.js $(PKG_STAGE)/steeplechase
 
 MARIONETTE_DIR=$(PKG_STAGE)/marionette
 stage-marionette: make-stage-dir
 	$(NSINSTALL) -D $(MARIONETTE_DIR)/tests
 	$(NSINSTALL) -D $(MARIONETTE_DIR)/transport
-	$(NSINSTALL) -D $(MARIONETTE_DIR)/driver
 	@(cd $(topsrcdir)/testing/marionette/client && tar --exclude marionette/tests $(TAR_CREATE_FLAGS) - *) | (cd $(MARIONETTE_DIR)/ && tar -xf -)
 	@(cd $(topsrcdir)/testing/marionette/transport && tar $(TAR_CREATE_FLAGS) - *) | (cd $(MARIONETTE_DIR)/transport && tar -xf -)
-	@(cd $(topsrcdir)/testing/marionette/driver && tar $(TAR_CREATE_FLAGS) - *) | (cd $(MARIONETTE_DIR)/driver && tar -xf -)
 	$(PYTHON) $(topsrcdir)/testing/marionette/client/marionette/tests/print-manifest-dirs.py \
           $(topsrcdir) \
           $(topsrcdir)/testing/marionette/client/marionette/tests/unit-tests.ini \
           | (cd $(topsrcdir) && xargs tar $(TAR_CREATE_FLAGS) -) \
           | (cd $(MARIONETTE_DIR)/tests && tar -xf -)
 	$(PYTHON) $(topsrcdir)/testing/marionette/client/marionette/tests/print-manifest-dirs.py \
           $(topsrcdir) \
           $(topsrcdir)/testing/marionette/client/marionette/tests/webapi-tests.ini \