--- a/calendar/locales/Makefile.in
+++ b/calendar/locales/Makefile.in
@@ -82,38 +82,27 @@ DEFINES += \
     -DMOZ_APP_VERSION=$(MOZ_APP_VERSION) \
     -DLOCALE_SRCDIR=$(LOCALE_SRCDIR) \
     -DPKG_BASENAME="$(PKG_BASENAME)" \
     -DPKG_INST_BASENAME="$(PKG_INST_BASENAME)" \
     $(NULL)
 
 include $(topsrcdir)/config/rules.mk
 
-tests:
-ifdef MOZ_SUNBIRD
-ifeq ($(OS_ARCH), WINNT)
-ifneq (en-US, $(AB_CD))
-	@echo "Verifying $(AB_CD) installer variable usage $(MOZILLA_SRCDIR)"
-	@$(PERL) $(MOZILLA_SRCDIR)/toolkit/mozapps/installer/windows/nsis/check-locales.pl $(LOCALE_SRCDIR)/installer
-endif
-endif
-endif
-
 clobber-%:
 	$(RM) -rf $(DIST)/xpi-stage/locale-$*
 
 libs-%:
 	$(NSINSTALL) -D $(DIST)/install
 	@$(MAKE) -C ../../mozilla/toolkit/locales libs-$* BOTH_MANIFESTS=1
 ifdef MOZ_SUNBIRD
 	@$(MAKE) -C ../sunbird/locales libs AB_CD=$* XPI_NAME=locale-$* PREF_DIR=defaults/pref BOTH_MANIFESTS=1
 endif
 	@$(MAKE) libs AB_CD=$* 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
-	@$(MAKE) tests AB_CD=$*
 
 ifneq (,$(filter cocoa,$(MOZ_WIDGET_TOOLKIT)))
 MOZ_PKG_MAC_DSSTORE=$(_ABS_DIST)/branding/dsstore
 MOZ_PKG_MAC_BACKGROUND=$(_ABS_DIST)/branding/background.png
 MOZ_PKG_MAC_ICON=$(_ABS_DIST)/branding/disk.icns
 endif
 
 PACKAGER_NO_LIBS = 1