diff --git a/test/fileutils/test_fileutils.rb b/test/fileutils/test_fileutils.rb
index dd2ba5d..1a93c01 100644
--- a/test/fileutils/test_fileutils.rb
+++ b/test/fileutils/test_fileutils.rb
@@ -34,11 +34,11 @@ def assert_output_lines(expected, fu = self, message=nil)
 
   m = Module.new do
     def have_drive_letter?
-      /mswin(?!ce)|mingw|bcc|emx/ =~ RUBY_PLATFORM
+      /mswin|mingw/ =~ RUBY_PLATFORM
     end
 
     def have_file_perm?
-      /mswin|mingw|bcc|emx/ !~ RUBY_PLATFORM
+      /mswin|mingw/ !~ RUBY_PLATFORM
     end
 
     @@assignable_groups = nil