diff --git a/test/compose/registry/certs/gen-certs.sh b/test/compose/registry/certs/gen-certs.sh
index 12dcecf..2c20375 100755
--- a/test/compose/registry/certs/gen-certs.sh
+++ b/test/compose/registry/certs/gen-certs.sh
@@ -1,3 +1 @@
-#!/bin/bash
-
 openssl req -new -x509 -nodes -days 36500 -config openssl.cnf -keyout registry.key -out registry.crt