--- a/src/m/intel386.h	Mon Aug 13 11:13:33 2007 +0200
+++ b/src/m/intel386.h	Mon Aug 13 11:14:34 2007 +0200
@@ -50,11 +50,6 @@
   Minor changes merged in 19.1.
 NOTE-END */
 
-/* Define WORD_MACHINE if addresses and such have
- * to be corrected before they can be used as byte counts.  */
-
-/* #define WORD_MACHINE */
-
 /* Now define a symbol for the cpu type, if your compiler
    does not define it automatically:
    Ones defined so far include vax, m68000, ns16000, pyramid,
@@ -152,18 +147,11 @@
 
 #ifdef USG
 
-#if 0 /* ALLOCA is now autodetected */
-#define HAVE_ALLOCA
-#endif
 #define NO_REMAP 
 #define TEXT_START 0
 #endif /* USG */
 #endif /* not XENIX */
 
-#ifdef USG5_4
-#define DATA_SEG_BITS 0x08000000
-#endif
-
 #ifdef MSDOS
 #define NO_REMAP
 #endif