diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dc5a194c055..347e0aef6e5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2010-09-08  Richard Guenther  <rguenther@suse.de>
+
+	* tree.h (TYPE_ORIG_SIZE_TYPE): Remove.
+	* c-typeck.c (comptypes_internal): Remove TYPE_ORIG_SIZE_TYPE
+	checks.
+
 2010-09-08  Arnaud Charlet  <charlet@adacore.com>
 
 	* c-tree.h, c-decl.c (build_enumerator): Add location parameter.
diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c
index 08a3825a436..7ac866abfeb 100644
--- a/gcc/c-typeck.c
+++ b/gcc/c-typeck.c
@@ -1038,17 +1038,6 @@ comptypes_internal (const_tree type1, const_tree type2, bool *enum_and_int_p,
       || TREE_CODE (t1) == ERROR_MARK || TREE_CODE (t2) == ERROR_MARK)
     return 1;
 
-  /* If either type is the internal version of sizetype, return the
-     language version.  */
-  if (TREE_CODE (t1) == INTEGER_TYPE && TYPE_IS_SIZETYPE (t1)
-      && TYPE_ORIG_SIZE_TYPE (t1))
-    t1 = TYPE_ORIG_SIZE_TYPE (t1);
-
-  if (TREE_CODE (t2) == INTEGER_TYPE && TYPE_IS_SIZETYPE (t2)
-      && TYPE_ORIG_SIZE_TYPE (t2))
-    t2 = TYPE_ORIG_SIZE_TYPE (t2);
-
-
   /* Enumerated types are compatible with integer types, but this is
      not transitive: two enumerated types in the same translation unit
      are compatible with each other only if they are the same type.  */
diff --git a/gcc/tree.h b/gcc/tree.h
index 815ba9c1163..96555e2eecc 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -2056,9 +2056,6 @@ struct GTY(()) tree_block {
 #define TYPE_DOMAIN(NODE) (ARRAY_TYPE_CHECK (NODE)->type.values)
 #define TYPE_FIELDS(NODE) (RECORD_OR_UNION_CHECK (NODE)->type.values)
 #define TYPE_CACHED_VALUES(NODE) (TYPE_CHECK(NODE)->type.values)
-#define TYPE_ORIG_SIZE_TYPE(NODE)			\
-  (INTEGER_TYPE_CHECK (NODE)->type.values		\
-  ? TREE_TYPE ((NODE)->type.values) : NULL_TREE)
 #define TYPE_METHODS(NODE) (RECORD_OR_UNION_CHECK (NODE)->type.maxval)
 #define TYPE_VFIELD(NODE) (RECORD_OR_UNION_CHECK (NODE)->type.minval)
 #define TYPE_ARG_TYPES(NODE) (FUNC_OR_METHOD_CHECK (NODE)->type.values)