diff --git a/manifests/interface.pp b/manifests/interface.pp
index 31784731544ff35c58ac6f1bb12d77ccd32c6113..34b486d29b5bbdcc09c08d2b9ad6b1e5a3433ef9 100644
--- a/manifests/interface.pp
+++ b/manifests/interface.pp
@@ -282,7 +282,6 @@ define network::interface (
   $enable_dhcp           = false,
 
   $ipaddress             = '',
-  $prefix                = undef,
   $netmask               = undef,
   $network               = undef,
   $broadcast             = undef,
diff --git a/templates/interface/RedHat.erb b/templates/interface/RedHat.erb
index dd858e02451d47c6d55bc994e27207330fc16143..0808cf8023c9bcfd76189cfa0b27db0a438b4336 100644
--- a/templates/interface/RedHat.erb
+++ b/templates/interface/RedHat.erb
@@ -80,9 +80,6 @@ NETMASK<%= id %>="<%= @netmask %>"
 NETMASK="<%= @netmask %>"
 <% end -%>
 <% end -%>
-<% if @prefix -%>
-PREFIX="<%= @prefix %>"
-<% end -%>
 <% if @broadcast -%>
 BROADCAST="<%= @broadcast %>"
 <% end -%>