--- a/src/m/alliant.h	Mon Aug 13 11:13:33 2007 +0200
+++ b/src/m/alliant.h	Mon Aug 13 11:14:34 2007 +0200
@@ -27,11 +27,6 @@
    operating system this machine is likely to run.
    USUAL-OPSYS="bsd4-2"  */
 
-/* Define WORD_MACHINE if addresses and such have
- * to be corrected before they can be used as byte counts.  */
-
-#undef WORD_MACHINE
-
 /* Now define a symbol for the cpu type, if your compiler
    does not define it automatically:
    vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
@@ -39,15 +34,6 @@
 
 #define ALLIANT
 
-/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
-   the bit field into an int.  In other words, if bit fields
-   are always unsigned.
-
-   If you use NO_UNION_TYPE, this flag does not matter.  */
-/* On Alliants, bitfields are unsigned. */
-
-#define EXPLICIT_SIGN_EXTEND
-
 /* No load average information available for Alliants. */
 
 #undef LOAD_AVE_TYPE