diff --git a/include/wx/filesys.h b/include/wx/filesys.h
index 267daac0f8..69d4ffd284 100644
--- a/include/wx/filesys.h
+++ b/include/wx/filesys.h
@@ -170,7 +170,6 @@ protected:
 // Open Bit Flags
 enum {
     wxFS_READ = 1,      // Open for reading
-    wxFS_WRITE = 2,     // Open for writing
     wxFS_SEEKABLE = 4   // Returned stream will be seekable
 };