diff --git a/gnome-system-monitor.spec b/gnome-system-monitor.spec
index c24dc00..20763fd 100644
--- a/gnome-system-monitor.spec
+++ b/gnome-system-monitor.spec
@@ -39,12 +39,6 @@ gnome-system-monitor is a simple process and system monitor.
 
 %build
 
-libtoolize --force
-aclocal-1.6
-automake-1.6 --add-missing
-autoconf
-autoheader
-
 %configure
 
 make %{?_smp_mflags}