diff --git a/dev-certs/clean.sh b/dev-certs/clean.sh
new file mode 100755
index 0000000..490223d
--- /dev/null
+++ b/dev-certs/clean.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+set -e -x
+
+rm *pem
+rm *csr