diff --git a/src/lib/commands/mfir.c b/src/lib/commands/mfir.c
index 304157ad..4bf6e520 100644
--- a/src/lib/commands/mfir.c
+++ b/src/lib/commands/mfir.c
@@ -76,7 +76,6 @@ multifire(void)
     int dam;
     int totaldefdam = 0;
     int vshipno;
-    double prb;
     natid vict;
     struct shpstr fship;
     struct lndstr fland;
@@ -448,15 +447,6 @@ multifire(void)
 	default:
 	    pr_beep();
 	    pr("Kaboom!!!\n");
-	    prb = range2 ? (double)trange / range2 : 1.0;
-	    prb *= prb;
-	    if (chance(prb)) {
-		pr("Wind deflects shells.\n");
-/*			dam = (int)(dam / 2.0);*/
-		dam *= (90 - (random() % 11)) / 100.0;
-		if (dam < 0)
-		    dam = 0;
-	    }
 	    break;
 	}
 	switch (target) {
diff --git a/src/lib/subs/mission.c b/src/lib/subs/mission.c
index e038c12c..c36a5220 100644
--- a/src/lib/subs/mission.c
+++ b/src/lib/subs/mission.c
@@ -411,7 +411,7 @@ perform_mission(coord x, coord y, natid victim, struct emp_qelem *list,
     int dam = 0, dam2, mission_flags;
     natid plane_owner = 0;
     int md, range, air_dam = 0;
-    double prb, hitchance, vrange;
+    double hitchance, vrange;
 
     getsect(x, y, &sect);
 
@@ -539,13 +539,6 @@ perform_mission(coord x, coord y, natid victim, struct emp_qelem *list,
 		putship(sp->shp_uid, sp);
 		if (dam2 < 0)
 		    continue;
-		if (range == 0.0)
-		    prb = 1.0;
-		else
-		    prb = (double)md / range;
-		prb *= prb;
-		if (chance(prb))
-		    dam2 /= 2;
 		dam += dam2;
 		if (sect.sct_type == SCT_WATER)
 		    nreport(sp->shp_own, N_SHP_SHELL, victim, 1);