diff --git a/info/Attacking.t b/info/Attacking.t
index 15be8c99..017ee786 100644
--- a/info/Attacking.t
+++ b/info/Attacking.t
@@ -77,9 +77,8 @@ Board:   When boarding from a sector, the sector must have mob.  When
 
 The following restrictions apply to the aggressor's land units:
 A land unit must have mobility and be in supply (see info supply) in
-order to be able to enter the combat.  Land units with "security",
-"supply" or "flak" capability may not attack.  Also, you may not
-attack with artillery units (i.e. if frg > 0).  Only land units with "assault"
+order to be able to enter the combat.  Land units with "supply"
+capability may not attack.  Only land units with "assault"
 capability may assault or board.
 Attack:  The land unit must have at least as much mobility that it
          would cost for it to march into the sector.
diff --git a/src/lib/subs/lndsub.c b/src/lib/subs/lndsub.c
index b6a49390..979ca9a0 100644
--- a/src/lib/subs/lndsub.c
+++ b/src/lib/subs/lndsub.c
@@ -1353,11 +1353,6 @@ lnd_can_attack(struct lndstr *lp)
 {
     struct lchrstr *lcp = &lchr[(int)lp->lnd_type];
 
-/*	if (lcp->l_flags & L_SUPPLY ||
-	    lcp->l_flags & L_SECURITY ||
-	    lcp->l_flags & L_FLAK ||
-	    lcp->l_frg)
-		return 0; */
     if (lcp->l_flags & L_SUPPLY)
 	return 0;