diff --git a/definitions/.fedora/ks.cfg b/definitions/.fedora/ks.cfg
index 7b71473d2..0decd94df 100644
--- a/definitions/.fedora/ks.cfg
+++ b/definitions/.fedora/ks.cfg
@@ -20,12 +20,15 @@ reboot
 
 %packages
 @Core
-@Development Tools
+bzip2
+gcc
+kernel-devel
+kernel-headers
 openssl-devel
 readline-devel
-zlib-devel
-kernel-devel
+tar
 wget
+zlib-devel
 %end
 
 %post
diff --git a/definitions/fedora-18/definition.rb b/definitions/fedora-18/definition.rb
index 06dae1e80..cb2d82dde 100644
--- a/definitions/fedora-18/definition.rb
+++ b/definitions/fedora-18/definition.rb
@@ -3,14 +3,9 @@
 iso = "Fedora-18-x86_64-DVD.iso"
 
 session =
-  FEDORA_SESSION.merge( # :boot_cmd_sequence =>
-                        #[ '<Tab> linux text biosdevname=0 ks=http://%IP%:%PORT%/ks.cfg<Enter><Enter>' ],
-                        #:memory_size=> '480',
-                        :iso_file => iso,
-                        #:iso_md5 => "a991defc0a602d04f064c43290df0131",
+  FEDORA_SESSION.merge( :iso_file => iso,
+                        :iso_md5 => "17d5c860bf9dc83e035882a7b33ffc77",
                         :iso_src => "http://mirrors.kernel.org/fedora/releases/18/Fedora/x86_64/iso/#{iso}"
-                        # Minimum RAM requirement for installation is 512MB.
-                        #:memory_size=> '512',
 )
 
 Veewee::Session.declare session