diff --git a/include/nat.h b/include/nat.h
index be31d2f0..c761ea8e 100644
--- a/include/nat.h
+++ b/include/nat.h
@@ -109,9 +109,6 @@ struct natstr {
     long nat_flags;		/* nation flags */
 };
 
-	/* Update fields. */
-#define	WUPD_WANT	bit(0)
-
 	/* nstat values */
 #define VIS		bit(0)
 #define SANCT		(bit(1) | VIS)
diff --git a/src/lib/commands/zdon.c b/src/lib/commands/zdon.c
index c6ac37f4..8a03ef58 100644
--- a/src/lib/commands/zdon.c
+++ b/src/lib/commands/zdon.c
@@ -63,7 +63,6 @@ zdon(void)
     struct natstr *natp;
     char *p;
 
-    int update;
     int checking;
     int wantupd;
     int totpop;
@@ -112,14 +111,12 @@ zdon(void)
 		pr("Unable to request an update as the country is in flux\n");
 		return RET_FAIL;
 	    }
-	    update = natp->nat_update | WUPD_WANT;
 	    natp->nat_missed = 0;
 	    pr("You (%d) now want an update.\n", whichcnum);
 	} else {
-	    update = natp->nat_update & ~WUPD_WANT;
 	    pr("You (%d) now DON'T want an update.\n", whichcnum);
 	}
-	natp->nat_update = update;
+	natp->nat_update = wantupd;
 	putnat(natp);
     }
 
diff --git a/src/lib/common/wantupd.c b/src/lib/common/wantupd.c
index e1edfbb1..6fccaeb7 100644
--- a/src/lib/common/wantupd.c
+++ b/src/lib/common/wantupd.c
@@ -132,7 +132,7 @@ demand_update_want(int *want, int *pop, int which)
 	/* Should probably include sanctuaries ..... */
 	if (natp->nat_stat == STAT_ACTIVE) {
 	    totpop++;
-	    if ((natp->nat_update & WUPD_WANT) == WUPD_WANT) {
+	    if (natp->nat_update) {
 		totwant++;
 		if (which == cn)
 		    whichwants++;
diff --git a/src/lib/update/removewants.c b/src/lib/update/removewants.c
index 66f79bb4..eecd4dcb 100644
--- a/src/lib/update/removewants.c
+++ b/src/lib/update/removewants.c
@@ -42,11 +42,9 @@ update_removewants(void)
     struct natstr *natp;
 
     for (cn = 0; NULL != (natp = getnatp(cn)); cn++) {
-	if ((natp->nat_stat != STAT_UNUSED) &&
-	    (natp->nat_update & WUPD_WANT) == 0) {
+	if (natp->nat_stat != STAT_UNUSED && !natp->nat_update)
 	    natp->nat_missed++;
-	}
-	natp->nat_update &= ~WUPD_WANT;
+	natp->nat_update = 0;
     }
     return 0;
 }