diff --git a/lib/tempfile.rb b/lib/tempfile.rb
index b0875a0..9a14449 100644
--- a/lib/tempfile.rb
+++ b/lib/tempfile.rb
@@ -593,9 +593,7 @@ class << Tempfile
   end
 end
 
-File.open(IO::NULL) do |f|
-  File.new(f.fileno, autoclose: false, path: "").path
-rescue IOError
+if RUBY_VERSION < "3.2"
   module PathAttr               # :nodoc:
     attr_reader :path