--- a/testing/profiles/Makefile.in
+++ b/testing/profiles/Makefile.in
@@ -1,15 +1,17 @@
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
-MOCHITEST_PROFILE_FILES = \
+
+mochitest_profile_FILES := \
   prefs_general.js \
   prefs_b2g_unittest.js \
   webapps_mochitest.json \
   $(NULL)
-WPT_PROFILE_FILES = $(MOCHITEST_PROFILE_FILES)
+mochitest_profile_DEST = $(DEPTH)/_tests/testing/mochitest/profile_data
+mochitest_profile_TARGET := misc
+INSTALL_TARGETS += mochitest_profile
 
-MOCHITEST_PROFILE_DEST = $(DEPTH)/_tests/testing/mochitest/profile_data
-WPT_PROFILE_DEST = $(DEPTH)/_tests/web-platform/prefs
-
-INSTALL_TARGETS += MOCHITEST_PROFILE
-INSTALL_TARGETS += WPT_PROFILE
+wpt_profile_FILES = $(MOCHITEST_PROFILE_FILES)
+wpt_profile_DEST = $(DEPTH)/_tests/web-platform/prefs
+wpt_profile_TARGET := misc
+INSTALL_TARGETS += wpt_profile

--- a/testing/profiles/moz.build
+++ b/testing/profiles/moz.build
@@ -1,5 +1,6 @@
 # vim: set filetype=python:
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
+HAS_MISC_RULE = True