diff --git a/lib/isccfg/check.c b/lib/isccfg/check.c
index a3c79085da..1e82acf9d3 100644
--- a/lib/isccfg/check.c
+++ b/lib/isccfg/check.c
@@ -3165,7 +3165,6 @@ isccfg_check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 
 		case CFG_ZONE_FORWARD:
 		case CFG_ZONE_REDIRECT:
-		case CFG_ZONE_DELEGATION:
 			break;
 
 		case CFG_ZONE_PRIMARY:
diff --git a/lib/isccfg/include/isccfg/grammar.h b/lib/isccfg/include/isccfg/grammar.h
index 28dfa3e136..6c3c1cb39b 100644
--- a/lib/isccfg/include/isccfg/grammar.h
+++ b/lib/isccfg/include/isccfg/grammar.h
@@ -83,9 +83,8 @@ enum {
 	CFG_ZONE_FORWARD = 1 << 27,
 	CFG_ZONE_STATICSTUB = 1 << 26,
 	CFG_ZONE_REDIRECT = 1 << 25,
-	CFG_ZONE_DELEGATION = 1 << 24,
-	CFG_ZONE_INVIEW = 1 << 23,
-	CFG_ZONE_MIRROR = 1 << 22,
+	CFG_ZONE_INVIEW = 1 << 24,
+	CFG_ZONE_MIRROR = 1 << 23,
 };
 
 typedef struct cfg_clausedef	 cfg_clausedef_t;
diff --git a/lib/isccfg/namedconf.c b/lib/isccfg/namedconf.c
index d5c61b2402..67824c75e8 100644
--- a/lib/isccfg/namedconf.c
+++ b/lib/isccfg/namedconf.c
@@ -2426,8 +2426,8 @@ static cfg_clausedef_t zone_only_clauses[] = {
 	 */
 	{ "type", &cfg_type_zonetype,
 	  CFG_ZONE_PRIMARY | CFG_ZONE_SECONDARY | CFG_ZONE_MIRROR |
-		  CFG_ZONE_STUB | CFG_ZONE_STATICSTUB | CFG_ZONE_DELEGATION |
-		  CFG_ZONE_HINT | CFG_ZONE_REDIRECT | CFG_ZONE_FORWARD },
+		  CFG_ZONE_STUB | CFG_ZONE_STATICSTUB | CFG_ZONE_HINT |
+		  CFG_ZONE_REDIRECT | CFG_ZONE_FORWARD },
 	{ "check-names", &cfg_type_checkmode,
 	  CFG_ZONE_PRIMARY | CFG_ZONE_SECONDARY | CFG_ZONE_MIRROR |
 		  CFG_ZONE_HINT | CFG_ZONE_STUB },
@@ -2475,8 +2475,8 @@ static cfg_clausedef_t non_template_clauses[] = {
 	{ "in-view", &cfg_type_astring, CFG_ZONE_INVIEW },
 	{ "template", &cfg_type_astring,
 	  CFG_ZONE_PRIMARY | CFG_ZONE_SECONDARY | CFG_ZONE_MIRROR |
-		  CFG_ZONE_STUB | CFG_ZONE_STATICSTUB | CFG_ZONE_DELEGATION |
-		  CFG_ZONE_HINT | CFG_ZONE_REDIRECT | CFG_ZONE_FORWARD },
+		  CFG_ZONE_STUB | CFG_ZONE_STATICSTUB | CFG_ZONE_HINT |
+		  CFG_ZONE_REDIRECT | CFG_ZONE_FORWARD },
 	{ NULL, NULL, 0 }
 };