--- a/client.mk
+++ b/client.mk
@@ -786,19 +786,19 @@ checkout::
 	else true; \
 	fi
 ifdef RUN_AUTOCONF_LOCALLY
 	@echo "Removing local configures" ; \
 	cd $(ROOTDIR) && \
 	$(RM) -f $(CONFIGURES)
 endif
 	@echo "checkout start: "`date` | tee $(CVSCO_LOGFILE)
-	@echo '$(CVSCO) $(CVS_CO_DATE_FLAGS) mozilla/client.mk $(MOZCONFIG_MODULES)'; \
+	@echo '$(CVSCO) mozilla/client.mk $(MOZCONFIG_MODULES)'; \
         cd $(ROOTDIR) && \
-	$(CVSCO) $(CVS_CO_DATE_FLAGS) mozilla/client.mk $(MOZCONFIG_MODULES)
+	$(CVSCO) mozilla/client.mk $(MOZCONFIG_MODULES)
 	@cd $(ROOTDIR) && $(MAKE) -f mozilla/client.mk real_checkout
 
 #	Start the checkout. Split the output to the tty and a log file.
 
 real_checkout:
 	@set -e; \
 	cvs_co() { set -e; echo "$$@" ; \
 	  "$$@" 2>&1 | tee -a $(CVSCO_LOGFILE); }; \
@@ -884,19 +884,19 @@ CVSCO_LOGFILE_L10N := $(shell echo $(CVS
 
 l10n-checkout:
 #	@: Backup the last checkout log.
 	@if test -f $(CVSCO_LOGFILE_L10N) ; then \
 	  mv $(CVSCO_LOGFILE_L10N) $(CVSCO_LOGFILE_L10N).old; \
 	else true; \
 	fi
 	@echo "checkout start: "`date` | tee $(CVSCO_LOGFILE_L10N)
-	@echo '$(CVSCO) $(CVS_CO_DATE_FLAGS) mozilla/client.mk $(MOZCONFIG_MODULES)'; \
+	@echo '$(CVSCO) mozilla/client.mk $(MOZCONFIG_MODULES)'; \
         cd $(ROOTDIR) && \
-	$(CVSCO) $(CVS_CO_DATE_FLAGS) mozilla/client.mk $(MOZCONFIG_MODULES)
+	$(CVSCO) mozilla/client.mk $(MOZCONFIG_MODULES)
 	@cd $(ROOTDIR) && $(MAKE) -f mozilla/client.mk real_l10n-checkout
 
 FULL_EN_US_DIRS := toolkit \
 	extensions \
 	$(MOZ_PROJECT_LIST) \
 	$(NULL)
 
 EN_US_LOCALE_DIRS := $(foreach dir, \