diff --git a/lib/fakefs/file.rb b/lib/fakefs/file.rb
index 831f2f05..25dceee6 100644
--- a/lib/fakefs/file.rb
+++ b/lib/fakefs/file.rb
@@ -2,8 +2,6 @@
 
 module FakeFS
   class File < StringIO
-    PATH_SEPARATOR = '/'
-
     MODES = [
       READ_ONLY           = "r",
       READ_WRITE          = "r+",
diff --git a/lib/fakefs/file_system.rb b/lib/fakefs/file_system.rb
index b92a7d5e..7cffc577 100644
--- a/lib/fakefs/file_system.rb
+++ b/lib/fakefs/file_system.rb
@@ -86,7 +86,7 @@ def chdir(dir, &blk)
     end
 
     def path_parts(path)
-      path.split(File::PATH_SEPARATOR).reject { |part| part.empty? }
+      path.split(File::SEPARATOR).reject { |part| part.empty? }
     end
 
     def normalize_path(path)