diff --git a/global/overlay/etc/puppet/setup_cosmos_modules b/global/overlay/etc/puppet/setup_cosmos_modules
index 146ad3f..acc8f2a 100755
--- a/global/overlay/etc/puppet/setup_cosmos_modules
+++ b/global/overlay/etc/puppet/setup_cosmos_modules
@@ -123,6 +123,7 @@ def main():
             del modules["augeas"]
             del modules["apt"]
             del modules["concat"]
+            del modules["stdlib"]
 
 #        # Make test machines use special test branch of puppet-sunet:
 #        if OS_INFO["ID"] == "ubuntu":