diff --git a/npa/certs/Makefile.am b/npa/certs/Makefile.am
index a67ed69..74a66a0 100644
--- a/npa/certs/Makefile.am
+++ b/npa/certs/Makefile.am
@@ -8,3 +8,7 @@ install-data-local:
 	for cert in $(X509_CERTS); do $(INSTALL_DATA) $(srcdir)/$${cert} "$(DESTDIR)$(X509DIR)"; done
 	$(MKDIR_P) "$(DESTDIR)$(CVCDIR)"
 	for cert in $(CV_CERTS);   do $(INSTALL_DATA) $(srcdir)/$${cert} "$(DESTDIR)$(CVCDIR)";  done
+
+uninstall-local:
+	for cert in $(X509_CERTS); do rm -f "$(DESTDIR)$(X509DIR)/$${cert}"; done
+	for cert in $(CV_CERTS);   do rm -f "$(DESTDIR)$(CVCDIR)/$${cert}";  done