--- a/browser/locales/Makefile.in
+++ b/browser/locales/Makefile.in
@@ -1,23 +1,15 @@
 # vim:set ts=8 sw=8 sts=8 noet:
 # 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/.
 
 include $(topsrcdir)/config/config.mk
 
-ifdef LOCALE_MERGEDIR
-vpath crashreporter%.ini $(LOCALE_MERGEDIR)/browser/crashreporter
-endif
-vpath crashreporter%.ini $(LOCALE_SRCDIR)/crashreporter
-ifdef LOCALE_MERGEDIR
-vpath crashreporter%.ini @srcdir@/en-US/crashreporter
-endif
-
 
 SUBMAKEFILES += \
 	$(DEPTH)/$(MOZ_BRANDING_DIRECTORY)/Makefile \
 	$(DEPTH)/$(MOZ_BRANDING_DIRECTORY)/locales/Makefile \
 	$(NULL)
 
 # This makefile uses variable overrides from the libs-% target to
 # build non-default locales to non-default dist/ locations. Be aware!
@@ -181,17 +173,17 @@ else
 	cat $< | \
 	  sed -e 's/^InfoText=/Info=/' -e 's/^TitleText=/Title=/' | \
 	  sed -e 's/%MOZ_APP_DISPLAYNAME%/$(MOZ_APP_DISPLAYNAME)/' > \
 	  $(FINAL_TARGET)/../updater.ini
 endif
 endif
 
 ifdef MOZ_CRASHREPORTER
-libs:: crashreporter-override.ini
+libs:: $(call MERGE_FILE,crashreporter/crashreporter-override.ini)
 	$(SYSINSTALL) $(IFLAGS1) $^ $(FINAL_TARGET)
 endif
 
 ident:
 	@printf 'fx_revision '
 	@$(PYTHON) $(topsrcdir)/config/printconfigsetting.py \
 	    $(STAGEDIST)/application.ini App SourceStamp
 	@printf 'buildid '

--- a/toolkit/locales/Makefile.in
+++ b/toolkit/locales/Makefile.in
@@ -1,22 +1,14 @@
 # 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/.
 
 include $(topsrcdir)/config/rules.mk
 
-ifdef LOCALE_MERGEDIR
-vpath crashreporter.% $(LOCALE_MERGEDIR)/toolkit/crashreporter
-endif
-vpath crashreporter.% $(LOCALE_SRCDIR)/crashreporter
-ifdef LOCALE_MERGEDIR
-vpath crashreporter.% @srcdir@/en-US/crashreporter
-endif
-
 libs-%: AB_CD=$*
 libs-%:
 	@$(MAKE) -C ../../netwerk/locales/ libs AB_CD=$* XPI_NAME=locale-$*
 	@$(MAKE) -C ../../dom/locales/ libs AB_CD=$* XPI_NAME=locale-$*
 	@$(MAKE) -C ../../security/manager/locales/ libs AB_CD=$* XPI_NAME=locale-$*
 	@$(MAKE) -C ../../devtools/shared/locales/ libs AB_CD=$* XPI_NAME=locale-$*
 	@$(MAKE) libs AB_CD=$* XPI_NAME=locale-$*
 
@@ -28,15 +20,15 @@ chrome-%:
 	@$(MAKE) -C $(DEPTH)/dom/locales/ chrome AB_CD=$*
 	@$(MAKE) -C $(DEPTH)/security/manager/locales/ chrome AB_CD=$*
 	@$(MAKE) chrome AB_CD=$*
 
 libs:: update.locale
 	sed -e 's/%AB_CD%/$(AB_CD)/' $< > $(FINAL_TARGET)/update.locale
 
 ifdef MOZ_CRASHREPORTER
-libs:: crashreporter.ini
+libs:: $(call MERGE_FILE,crashreporter/crashreporter.ini)
 ifeq (cocoa,$(MOZ_WIDGET_TOOLKIT))
 	$(SYSINSTALL) $(IFLAGS1) $^ $(FINAL_TARGET)/crashreporter.app/Contents/Resources
 else
 	$(SYSINSTALL) $(IFLAGS1) $^ $(FINAL_TARGET)
 endif
 endif