Rakefile in groonga-0.0.5 vs Rakefile in groonga-0.0.6

@@ -117,10 +117,9 @@
 
   entries = File.read("README.rdoc").split(/^==\s(.*)$/)
   description = cleanup_white_space(entries[entries.index("Description") + 1])
   project.summary, project.description, = description.split(/\n\n+/, 3)
 
-  project.need_tar = false
   project.remote_rdoc_dir = "groonga"
 end
 
 project.spec.dependencies.delete_if {|dependency| dependency.name == "hoe"}