diff --git a/ext/extmk.rb b/ext/extmk.rb
index 3082a00994..df86c0f37d 100755
--- a/ext/extmk.rb
+++ b/ext/extmk.rb
@@ -636,7 +636,6 @@ if $configure_only and $command_output
       w = w0 = name.size + 2
       h = " \\\n" + "\t" * (w / 8) + " " * (w % 8)
       values.each do |s|
-        s = s.tr("\0", " ")
         if s.size + w > max
           print h
           w = w0