File project.diff of Package rubygem-clockwork

--- rubygem-clockwork.spec.orig
+++ rubygem-clockwork.spec
@@ -32,14 +32,12 @@ BuildRoot:      %{_tmppath}/%{name}-%{ve
 BuildRequires:  %{rubygem gem2rpm}
 BuildRequires:  %{ruby}
 BuildRequires:  ruby-macros >= 5
-BuildRequires:  update-alternatives
 Url:            http://github.com/tomykaira/clockwork
 Source:         http://rubygems.org/gems/%{mod_full_name}.gem
 Source1:        gem2rpm.yml
 Summary:        A scheduler process to replace cron
 License:        MIT
 Group:          Development/Languages/Ruby
-PreReq:         update-alternatives
 
 %description
 A scheduler process to replace cron, using a more flexible Ruby syntax running