1 files changed, 1 insertions, 17 deletions
diff --git a/lib/rdoc/encoding.rb b/lib/rdoc/encoding.rb
index cf60badd24..67e190f782 100644
--- a/lib/rdoc/encoding.rb
+++ b/lib/rdoc/encoding.rb
@@ -86,17 +86,6 @@ module RDoc::Encoding
     nil
   end
 
-  def self.remove_frozen_string_literal string
-    string =~ /\A(?:#!.*\n)?(.*\n)/
-    first_line = $1
-
-    if first_line =~ /\A# +frozen[-_]string[-_]literal[=:].+$/i
-      string = string.sub first_line, ''
-    end
-
-    string
-  end
-
   ##
   # Detects the encoding of +string+ based on the magic comment
 
@@ -124,12 +113,7 @@ module RDoc::Encoding
     if text.kind_of? RDoc::Comment
       text.encode! encoding
     else
-      # TODO: Remove this condition after Ruby 2.2 EOL
-      if RUBY_VERSION < '2.3.0'
-        text.force_encoding encoding
-      else
-        String.new text, encoding: encoding
-      end
+      String.new text, encoding: encoding
     end
   end