4 files changed, 2 insertions, 7 deletions
diff --git a/lib/rubygems/ext/cmake_builder.rb b/lib/rubygems/ext/cmake_builder.rb
index d6d106f4ae..17bd6c296e 100644
--- a/lib/rubygems/ext/cmake_builder.rb
+++ b/lib/rubygems/ext/cmake_builder.rb
@@ -1,3 +1,5 @@
+require 'rubygems/command'
+
 class Gem::Ext::CmakeBuilder < Gem::Ext::Builder
   def self.build(extension, directory, dest_path, results)
     unless File.exist?('Makefile') then
diff --git a/lib/rubygems/ext/configure_builder.rb b/lib/rubygems/ext/configure_builder.rb
index ef8b29e427..2a542e6bd0 100644
--- a/lib/rubygems/ext/configure_builder.rb
+++ b/lib/rubygems/ext/configure_builder.rb
@@ -4,8 +4,6 @@
 # See LICENSE.txt for permissions.
 #++
 
-require 'rubygems/ext/builder'
-
 class Gem::Ext::ConfigureBuilder < Gem::Ext::Builder
 
   def self.build(extension, directory, dest_path, results, args=[])
diff --git a/lib/rubygems/ext/ext_conf_builder.rb b/lib/rubygems/ext/ext_conf_builder.rb
index 5112eb8e2f..9a656a30a3 100644
--- a/lib/rubygems/ext/ext_conf_builder.rb
+++ b/lib/rubygems/ext/ext_conf_builder.rb
@@ -4,8 +4,6 @@
 # See LICENSE.txt for permissions.
 #++
 
-require 'rubygems/ext/builder'
-require 'rubygems/command'
 require 'fileutils'
 require 'tempfile'
 
diff --git a/lib/rubygems/ext/rake_builder.rb b/lib/rubygems/ext/rake_builder.rb
index 2ac6edd5c8..984c54bc1b 100644
--- a/lib/rubygems/ext/rake_builder.rb
+++ b/lib/rubygems/ext/rake_builder.rb
@@ -4,9 +4,6 @@
 # See LICENSE.txt for permissions.
 #++
 
-require 'rubygems/ext/builder'
-require 'rubygems/command'
-
 class Gem::Ext::RakeBuilder < Gem::Ext::Builder
 
   def self.build(extension, directory, dest_path, results, args=[])