diff --git a/fedora-live-kde.ks b/fedora-live-kde.ks
index 4c1b5af..a3517c4 100644
--- a/fedora-live-kde.ks
+++ b/fedora-live-kde.ks
@@ -62,9 +62,6 @@ octave			# runtime dependency of the Cantor Octave backend
 kde-l10n-*
 calligra-l10n-*
 
-# use yum-presto by default
-yum-presto
-
 ## avoid serious bugs by omitting broken stuff
 
 %end
diff --git a/fedora-livecd-kde.ks b/fedora-livecd-kde.ks
index b613362..4773f22 100644
--- a/fedora-livecd-kde.ks
+++ b/fedora-livecd-kde.ks
@@ -41,9 +41,6 @@ liveusb-creator
 -kdegames
 kdegames-minimal
 
-# use yum-presto by default
-yum-presto
-
 ### space issues
 
 # fonts (we make no bones about admitting we're english-only)
diff --git a/fedora-livecd-security.ks b/fedora-livecd-security.ks
index 68c301b..4eb3acd 100644
--- a/fedora-livecd-security.ks
+++ b/fedora-livecd-security.ks
@@ -103,7 +103,6 @@ metacity
 powertop
 wget
 yum-utils
-yum-presto
 
 # dictionaries are big
 -aspell-*