diff --git a/lib/jekyll/tags/include.rb b/lib/jekyll/tags/include.rb
index 1d655af2..f8518df5 100644
--- a/lib/jekyll/tags/include.rb
+++ b/lib/jekyll/tags/include.rb
@@ -131,10 +131,6 @@ eos
         File.exist?(path) && File.realpath(path).start_with?(dir)
       end
 
-      def blank?
-        false
-      end
-
       # This method allows to modify the file content by inheriting from the class.
       def source(file, context)
         File.read(file, file_read_opts(context))