diff --git a/info/Flak.t b/info/Flak.t
index beb85dfb..fdc03214 100644
--- a/info/Flak.t
+++ b/info/Flak.t
@@ -24,19 +24,7 @@ In addition, if you are pin-bombing a land unit or a ship, when
 you make your bombing run, the specific unit/ship you are bombing
 gets to fire flak at you again.  This number of guns firing flak
 in these cases does NOT saturate.
-.s1
-When a sector fires flak, the amount of shells required is the # of
-guns fired divided by 2.  If not enough shells are available, either no flak
-is fired, or the flak is reduced to the number of shells available.
-Note that the shells are not consumed during flak fire, they just need
-to be available.
-.s1
-When a ship fires flak, at least 1 shell must be available.
-If no shells are available, no flak is fired.  Note that the shell is
-not consumed during flak fire, it just needs to be available.
-.s1
-Land units use no shells when firing flak.  Any land unit with an
-aaf rating of > 0 will fire flak when pin-bombed.
+Land units do not need capability flak to fire here.
 .s1
 The formulas for determining the # of guns fired in a general volley
 is:
diff --git a/info/supply.t b/info/supply.t
index 455139df..35ff4fea 100644
--- a/info/supply.t
+++ b/info/supply.t
@@ -34,7 +34,7 @@ or the unit wishes to attack, or is attacked, etc, it must attempt to get
 them from supply sources. Other things may use the same routines, such as
 loyal sectors, which will draw food from supply sources when in danger of
 starvation, and ships/forts/sectors, which will draw shells when they need
-them to fire defensively or fire AA at planes.
+them to fire defensively.
 .s1
 .L "Supply Sources"
 .s1
diff --git a/src/lib/commands/bomb.c b/src/lib/commands/bomb.c
index ef8582de..a87f55ba 100644
--- a/src/lib/commands/bomb.c
+++ b/src/lib/commands/bomb.c
@@ -458,7 +458,6 @@ ship_bomb(struct emp_qelem *list, struct sctstr *target)
     int nukedam;
     int flak;
     int gun;
-    int shell;
 
     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 	free_shiplist(&head);
@@ -506,19 +505,10 @@ ship_bomb(struct emp_qelem *list, struct sctstr *target)
 	if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
 	    continue;
 
-	shell = 0;
 	gun = shp_usable_guns(&ship);
-	if (gun > 0) {
-	    shell = ship.shp_item[I_SHELL];
-	    if (shell <= 0)
-		shell = supply_commod(ship.shp_own,
-				      ship.shp_x, ship.shp_y, I_SHELL, 1);
-	}
 	mcp = &mchr[(int)ship.shp_type];
-	if (gun > 0 && shell > 0 && !(mcp->m_flags & M_SUB)) {
+	if (gun > 0 && !(mcp->m_flags & M_SUB)) {
 	    flak = (int)(techfact(ship.shp_tech, gun) * 2.0);
-	    ship.shp_item[I_SHELL] = shell;
-	    putship(ship.shp_uid, &ship);
 	    PR(ship.shp_own, "Flak! Firing %d guns from ship %s\n",
 	       flak, prship(&ship));
 	    if (pinflak_planedamage(&plp->plane, plp->pcp, ship.shp_own, flak))
diff --git a/src/lib/subs/aircombat.c b/src/lib/subs/aircombat.c
index 892e0aca..5d17bab8 100644
--- a/src/lib/subs/aircombat.c
+++ b/src/lib/subs/aircombat.c
@@ -637,7 +637,6 @@ ac_planedamage(struct plist *plp, natid from, int dam, natid other,
 static void
 ac_doflak(struct emp_qelem *list, struct sctstr *from)
 {
-    int shell;
     int gun;
     natid plane_owner;
     struct plist *plp;
@@ -646,16 +645,6 @@ ac_doflak(struct emp_qelem *list, struct sctstr *from)
     plane_owner = plp->plane.pln_own;
 
     gun = MIN(FLAK_GUN_MAX, from->sct_item[I_GUN]);
-    shell = from->sct_item[I_SHELL];
-    if (gun > shell * 2) {
-	shell += supply_commod(from->sct_own, from->sct_x, from->sct_y,
-			       I_SHELL, (gun + 1) / 2 - shell);
-	from->sct_item[I_SHELL] = shell;
-	putsect(from);
-    }
-    if (gun > shell * 2)
-	gun = shell * 2;
-
     gun = roundavg(tfact(from->sct_own, 2.0 * gun));
     if (gun > 0) {
 	PR(plane_owner, "firing %d flak guns in %s...\n",
@@ -674,7 +663,7 @@ ac_shipflak(struct emp_qelem *list, coord x, coord y)
     struct shpstr ship;
     struct mchrstr *mcp;
     double flak, total, ngun;
-    int gun, shell;
+    int gun;
     int rel;
     struct plist *plp;
     natid plane_owner;
@@ -694,18 +683,8 @@ ac_shipflak(struct emp_qelem *list, coord x, coord y)
 	rel = getrel(getnatp(ship.shp_own), plane_owner);
 	if (rel > HOSTILE)
 	    continue;
-	shell = 0;
 	gun = shp_usable_guns(&ship);
-	if (gun) {
-	    shell = ship.shp_item[I_SHELL];
-	    if (shell <= 0) {
-		shell = supply_commod(ship.shp_own, ship.shp_x, ship.shp_y,
-				      I_SHELL, 1);
-		ship.shp_item[I_SHELL] = shell;
-		putship(ship.shp_uid, &ship);
-	    }
-	}
-	if (gun == 0 || shell == 0)
+	if (gun == 0)
 	    continue;
 	flak = gun * (ship.shp_effic / 100.0);
 	ngun += flak;