Rakefile in taxamatch_rb-0.8.3 vs Rakefile in taxamatch_rb-0.8.4

@@ -8,11 +8,10 @@
   $stderr.puts "Run `bundle install` to install missing gems"
   exit e.status_code
 end
 
 require 'rake'
-require 'rake/extensiontask'
 
 begin
   require 'jeweler'
   Jeweler::Tasks.new do |gem|
     gem.name = "taxamatch_rb"
@@ -40,13 +39,7 @@
 
 RSpec::Core::RakeTask.new(:rcov) do |spec|
   spec.pattern = 'spec/**/*_spec.rb'
   spec.rcov = true
 end
-
-Rake::ExtensionTask.new("damerau_levenshtein") do |extension|
-    extension.lib_dir = "lib"
-end
-
-Rake::Task[:spec].prerequisites << :compile
 
 task :default => :spec