diff --git a/inventory/host_vars/mailman01.iad2.fedoraproject.org b/inventory/host_vars/mailman01.iad2.fedoraproject.org
index ec93424361..05f1a20efc 100644
--- a/inventory/host_vars/mailman01.iad2.fedoraproject.org
+++ b/inventory/host_vars/mailman01.iad2.fedoraproject.org
@@ -12,4 +12,3 @@ sar_script_user: mailman
 vmhost: vmhost-x86-08.iad2.fedoraproject.org
 volgroup: /dev/vg_guests
 num_cpus: 8
-mem_size: 16384