diff -r 404649964f09 -r 40c3f900c457 src/Pure/ML-Systems/polyml_old_basis.ML
--- a/src/Pure/ML-Systems/polyml_old_basis.ML	Fri Oct 03 21:06:37 2008 +0200
+++ b/src/Pure/ML-Systems/polyml_old_basis.ML	Fri Oct 03 21:06:38 2008 +0200
@@ -21,17 +21,6 @@
   val full = all;
 end;
 
-structure Posix =
-struct
-  open Posix;
-  structure IO =
-  struct
-    open IO;
-    val mkTextReader = mkReader;
-    val mkTextWriter = mkWriter;
-  end;
-end;
-
 structure TextIO =
 struct
   open TextIO;