diff --git a/Documentation/extensions.rb b/Documentation/extensions.rb
deleted file mode 100644
index c33a50dce..000000000
--- a/Documentation/extensions.rb
+++ /dev/null
@@ -1,39 +0,0 @@
-require 'asciidoctor'
-require 'asciidoctor/extensions'
-
-module Git
-  module Documentation
-    class LinkGitProcessor < Asciidoctor::Extensions::InlineMacroProcessor
-      use_dsl
-
-      named :chrome
-
-      def process(parent, target, attrs)
-        if parent.document.basebackend? 'html'
-          generate_html(parent, target, attrs)
-        elsif parent.document.basebackend? 'docbook'
-          generate_docbook(parent, target, attrs)
-        end
-      end
-
-      private
-
-      def generate_html(parent, target, attrs)
-        section = attrs.has_key?(1) ? "(#{attrs[1]})" : ''
-        prefix = parent.document.attr('git-relative-html-prefix') || ''
-        %(<a href="#{prefix}#{target}.html">#{target}#{section}</a>\n)
-      end
-
-      def generate_docbook(parent, target, attrs)
-        %(<citerefentry>
-<refentrytitle>#{target}</refentrytitle><manvolnum>#{attrs[1]}</manvolnum>
-</citerefentry>
-)
-      end
-    end
-  end
-end
-
-Asciidoctor::Extensions.register do
-  inline_macro Git::Documentation::LinkGitProcessor, :linkgit
-end