diff --git a/lib/linguist/language.rb b/lib/linguist/language.rb
index 243befa8..70881421 100644
--- a/lib/linguist/language.rb
+++ b/lib/linguist/language.rb
@@ -47,18 +47,6 @@ module Linguist
       @name_index.values.select(&:unpopular?).sort_by { |lang| lang.name.downcase }
     end
 
-    def self.lexer2name(lexer)
-      if language = find_by_lexer(lexer)
-        language.name
-      end
-    end
-
-    def self.name2lexer(name)
-      if language = find_by_name(name)
-        language.lexer
-      end
-    end
-
     def initialize(attributes = {})
       @name       = attributes[:name] || raise(ArgumentError, "missing name")
       @lexer      = attributes[:lexer] || default_lexer
diff --git a/test/test_language.rb b/test/test_language.rb
index e7fd8fcf..3dc8a32c 100644
--- a/test/test_language.rb
+++ b/test/test_language.rb
@@ -29,18 +29,6 @@ class TestLanguage < Test::Unit::TestCase
     assert_nil Language.find_by_lexer('kt')
   end
 
-  def test_lexer2name
-    assert_equal 'Ruby',   Language.lexer2name('ruby')
-    assert_equal 'Python', Language.lexer2name('python')
-    assert_nil Language.lexer2name('kt')
-  end
-
-  def test_name2lexer
-    assert_equal 'ruby',   Language.name2lexer('Ruby')
-    assert_equal 'python', Language.name2lexer('Python')
-    assert_nil Language.name2lexer('defunkt')
-  end
-
   def test_name
     assert_equal "Perl",   Language['Perl'].name
     assert_equal "Python", Language['Python'].name