diff --git a/test/ruby/test_require.rb b/test/ruby/test_require.rb
index 8b9c9d7a01..379efec58a 100644
--- a/test/ruby/test_require.rb
+++ b/test/ruby/test_require.rb
@@ -392,6 +392,7 @@ class TestRequire < Test::Unit::TestCase
     assert_equal(true, (t1_res ^ t2_res), bug5754 + " t1:#{t1_res} t2:#{t2_res}")
     assert_equal([:pre, :post], scratch, bug5754)
   ensure
+    $".delete(path)
     tmp.close(true) if tmp
   end
 end