diff --git a/lib/rubygems/dependency_installer.rb b/lib/rubygems/dependency_installer.rb
index 802ec307a7..1afdc4b4c2 100644
--- a/lib/rubygems/dependency_installer.rb
+++ b/lib/rubygems/dependency_installer.rb
@@ -5,7 +5,6 @@ require 'rubygems/package'
 require 'rubygems/installer'
 require 'rubygems/spec_fetcher'
 require 'rubygems/user_interaction'
-require 'rubygems/source'
 require 'rubygems/available_set'
 require 'rubygems/deprecate'
 
diff --git a/lib/rubygems/source_list.rb b/lib/rubygems/source_list.rb
index 39ec1fcec3..13b25b63dc 100644
--- a/lib/rubygems/source_list.rb
+++ b/lib/rubygems/source_list.rb
@@ -1,5 +1,4 @@
 # frozen_string_literal: true
-require 'rubygems/source'
 
 ##
 # The SourceList represents the sources rubygems has been configured to use.