diff --git a/lib/puppet/parser/functions/hiera_or_lookup.rb b/lib/puppet/parser/functions/hiera_or_lookup.rb
deleted file mode 100644
index 7de483704..000000000
--- a/lib/puppet/parser/functions/hiera_or_lookup.rb
+++ /dev/null
@@ -1,19 +0,0 @@
-module Puppet::Parser::Functions
-  newfunction(:hiera_or_lookup, :type => :rvalue) do |args|
-    if Puppet.version =~ /^3/
-      function_hiera(args)
-    elsif Puppet.version =~ /^4/
-      args_4x = case args.count
-                when 1
-                  args
-                when 2
-                  [args.first, {'default_value' => args.last}]
-                when 3
-                  [args[0], {'default_value' => args[1]}]
-                else
-                  fail("don't understand hiera_or_lookup arguments: #{args.inspect}")
-                end
-      call_function('lookup', args_4x)
-    end
-  end # end function
-end # end module