diff --git a/lib/ocran/stub_builder.rb b/lib/ocran/stub_builder.rb
index f8e9957..68862f2 100644
--- a/lib/ocran/stub_builder.rb
+++ b/lib/ocran/stub_builder.rb
@@ -105,7 +105,6 @@ def mkdir(path)
 
       @paths[key] = path
       Ocran.verbose_msg "m #{path}"
-      path = Ocran.Pathname(path)
 
       write_opcode(OP_CREATE_DIRECTORY)
       write_string(convert_to_native(path))
@@ -120,10 +119,8 @@ def create_file(src, tgt)
       return if @files[key]
 
       @files[key] = [tgt, src]
-      tgt = Ocran.Pathname(tgt)
 
       Ocran.verbose_msg "a #{tgt}"
-      src = Ocran.Pathname(src)
       write_opcode(OP_CREATE_FILE)
       write_string(convert_to_native(tgt))
       write_file(src)