diff --git a/browser/locales/Makefile.in b/browser/locales/Makefile.in
--- a/browser/locales/Makefile.in
+++ b/browser/locales/Makefile.in
@@ -180,19 +180,21 @@ libs:: $(addsuffix .xml,$(SEARCH_PLUGINS
 	$(SYSINSTALL) $(IFLAGS1) $^ $(FINAL_TARGET)/searchplugins
 
 install:: $(addsuffix .xml,$(SEARCH_PLUGINS))
 	$(SYSINSTALL) $(IFLAGS1) $^ $(DESTDIR)$(mozappdir)/searchplugins
 
 
 libs-%:
 	$(NSINSTALL) -D $(DIST)/install
+ifndef LIBXUL_SDK
 	@$(MAKE) -C ../../toolkit/locales libs-$* BOTH_MANIFESTS=1
+	@$(MAKE) -C ../../extensions/spellcheck/locales AB_CD=$* XPI_NAME=locale-$* BOTH_MANIFESTS=1
+endif
 	@$(MAKE) -C ../../services/sync/locales AB_CD=$* XPI_NAME=locale-$* BOTH_MANIFESTS=1
-	@$(MAKE) -C ../../extensions/spellcheck/locales AB_CD=$* XPI_NAME=locale-$* BOTH_MANIFESTS=1
 	@$(MAKE) libs AB_CD=$* XPI_NAME=locale-$* PREF_DIR=defaults/pref BOTH_MANIFESTS=1
 	@$(MAKE) -C $(DEPTH)/$(MOZ_BRANDING_DIRECTORY)/locales AB_CD=$* XPI_NAME=locale-$* BOTH_MANIFESTS=1
 
 
 repackage-win32-installer: WIN32_INSTALLER_OUT="$(_ABS_DIST)/$(PKG_INST_PATH)$(PKG_INST_BASENAME).exe"
 repackage-win32-installer: $(WIN32_INSTALLER_IN) $(SUBMAKEFILES)
 	@echo "Repackaging $(WIN32_INSTALLER_IN) into $(WIN32_INSTALLER_OUT)."
 	$(MAKE) -C $(DEPTH)/$(MOZ_BRANDING_DIRECTORY) export