diff --git a/filter/f-inst.c b/filter/f-inst.c
index be22accc..f24e6219 100644
--- a/filter/f-inst.c
+++ b/filter/f-inst.c
@@ -1245,22 +1245,39 @@
   }
 
   /* Community list add */
-  INST(FI_CLIST_ADD, 2, 1) {
+  INST(FI_CLIST_ADD_PAIR, 2, 1) {
     ARG(1, T_CLIST);
-    ARG_ANY(2);
+    ARG(2, T_PAIR);
     METHOD_CONSTRUCTOR("add");
-      struct f_val dummy;
-      if ((v2.type == T_PAIR) || (v2.type == T_QUAD))
-	RESULT(T_CLIST, ad, [[ int_set_add(fpool, v1.val.ad, v2.val.i) ]]);
-      /* IP->Quad implicit conversion */
-      else if (val_is_ip4(&v2))
-	RESULT(T_CLIST, ad, [[ int_set_add(fpool, v1.val.ad, ipa_to_u32(v2.val.ip)) ]]);
-      else if ((v2.type == T_SET) && clist_set_type(v2.val.t, &dummy))
-	runtime("Can't add set");
-      else if (v2.type == T_CLIST)
-	RESULT(T_CLIST, ad, [[ int_set_union(fpool, v1.val.ad, v2.val.ad) ]]);
-      else
-	runtime("Can't add non-pair");
+    RESULT(T_CLIST, ad, [[ int_set_add(fpool, v1.val.ad, v2.val.i) ]]);
+  }
+
+  INST(FI_CLIST_ADD_IP, 2, 1) {
+    ARG(1, T_CLIST);
+    ARG(2, T_IP);
+    METHOD_CONSTRUCTOR("add");
+
+    FID_NEW_BODY();
+    /* IP->Quad implicit conversion, must be before FI_CLIST_ADD_QUAD */
+    cf_warn("Method add(clist, ip) is deprecated, please use add(clist, quad)");
+
+    FID_INTERPRET_BODY();
+    if (!val_is_ip4(&v2)) runtime("Mismatched IP type");
+    RESULT(T_CLIST, ad, [[ int_set_add(fpool, v1.val.ad, ipa_to_u32(v2.val.ip)) ]]);
+  }
+
+  INST(FI_CLIST_ADD_QUAD, 2, 1) {
+    ARG(1, T_CLIST);
+    ARG(2, T_QUAD);
+    METHOD_CONSTRUCTOR("add");
+    RESULT(T_CLIST, ad, [[ int_set_add(fpool, v1.val.ad, v2.val.i) ]]);
+  }
+
+  INST(FI_CLIST_ADD_CLIST, 2, 1) {
+    ARG(1, T_CLIST);
+    ARG(2, T_CLIST);
+    METHOD_CONSTRUCTOR("add");
+    RESULT(T_CLIST, ad, [[ int_set_union(fpool, v1.val.ad, v2.val.ad) ]]);
   }
 
   INST(FI_ECLIST_ADD_EC, 2, 1) {
@@ -1310,22 +1327,50 @@
   }
 
   /* Community list delete */
-  INST(FI_CLIST_DELETE, 2, 1) {
+  INST(FI_CLIST_DELETE_PAIR, 2, 1) {
     ARG(1, T_CLIST);
-    ARG_ANY(2);
+    ARG(2, T_PAIR);
     METHOD_CONSTRUCTOR("delete");
-      /* Community (or cluster) list */
-      struct f_val dummy;
+    RESULT(T_CLIST, ad, [[ int_set_del(fpool, v1.val.ad, v2.val.i) ]]);
+  }
 
-      if ((v2.type == T_PAIR) || (v2.type == T_QUAD))
-	RESULT(T_CLIST, ad, [[ int_set_del(fpool, v1.val.ad, v2.val.i) ]]);
-      /* IP->Quad implicit conversion */
-      else if (val_is_ip4(&v2))
-	RESULT(T_CLIST, ad, [[ int_set_del(fpool, v1.val.ad, ipa_to_u32(v2.val.ip)) ]]);
-      else if ((v2.type == T_SET) && clist_set_type(v2.val.t, &dummy) || (v2.type == T_CLIST))
-	RESULT(T_CLIST, ad, [[ clist_filter(fpool, v1.val.ad, &v2, 0) ]]);
-      else
-	runtime("Can't delete non-pair");
+  INST(FI_CLIST_DELETE_IP, 2, 1) {
+    ARG(1, T_CLIST);
+    ARG(2, T_IP);
+    METHOD_CONSTRUCTOR("delete");
+
+    FID_NEW_BODY();
+    /* IP->Quad implicit conversion, must be before FI_CLIST_DELETE_QUAD */
+    cf_warn("Method delete(clist, ip) is deprecated, please use delete(clist, quad)");
+
+    FID_INTERPRET_BODY();
+    if (!val_is_ip4(&v2)) runtime("Mismatched IP type");
+    RESULT(T_CLIST, ad, [[ int_set_del(fpool, v1.val.ad, ipa_to_u32(v2.val.ip)) ]]);
+  }
+
+  INST(FI_CLIST_DELETE_QUAD, 2, 1) {
+    ARG(1, T_CLIST);
+    ARG(2, T_QUAD);
+    METHOD_CONSTRUCTOR("delete");
+    RESULT(T_CLIST, ad, [[ int_set_del(fpool, v1.val.ad, v2.val.i) ]]);
+  }
+
+  INST(FI_CLIST_DELETE_CLIST, 2, 1) {
+    ARG(1, T_CLIST);
+    ARG(2, T_CLIST);
+    METHOD_CONSTRUCTOR("delete");
+    RESULT(T_CLIST, ad, [[ clist_filter(fpool, v1.val.ad, &v2, 0) ]]);
+  }
+
+  INST(FI_CLIST_DELETE_SET, 2, 1) {
+    ARG(1, T_CLIST);
+    ARG(2, T_SET);
+    METHOD_CONSTRUCTOR("delete");
+
+    if (!clist_set_type(v2.val.t, &(struct f_val){}))
+      runtime("Mismatched set type");
+
+    RESULT(T_CLIST, ad, [[ clist_filter(fpool, v1.val.ad, &v2, 0) ]]);
   }
 
   INST(FI_ECLIST_DELETE_EC, 2, 1) {
diff --git a/filter/test.conf b/filter/test.conf
index 62993898..22b4984a 100644
--- a/filter/test.conf
+++ b/filter/test.conf
@@ -1010,6 +1010,12 @@ clist r;
 	l = filter(l2, [(3,1..4)]);
 	l2 = filter(l2, [(3,3..6)]);
 
+	quad q = 2.0.1.0;
+	clist ql = add(add(add(-empty-, 1.0.0.1), q), 3.1.0.0);
+	bt_assert(delete(ql, 1.0.0.1) = add(add(-empty-, 2.0.1.0), 3.1.0.0));
+	bt_assert(delete(ql, [2.0.0.0 .. 4.0.0.0]) = add(-empty-, 1.0.0.1));
+	bt_assert(filter(ql, [3.0.0.0 .. 4.0.0.0]) = add(-empty-, 3.1.0.0));
+
 	#  clist A (10,20,30)
 	bt_assert(l = add(add(add(add(-empty-, (3,1)), (3,2)), (3,3)), (3,4)));
 	bt_assert(format(l) = "(clist (3,1) (3,2) (3,3) (3,4))");
@@ -1132,6 +1138,12 @@ function t_clist_new()
 	l = l2.filter([(3,1..4)]);
 	l2.filter([(3,3..6)]);
 
+	quad q = 2.0.1.0;
+	clist ql = -empty-.add(1.0.0.1).add(q).add(3.1.0.0);
+	bt_assert(delete(ql, 1.0.0.1) = -empty-.add(2.0.1.0).add(3.1.0.0));
+	bt_assert(delete(ql, [2.0.0.0 .. 4.0.0.0]) = -empty-.add(1.0.0.1));
+	bt_assert(filter(ql, [3.0.0.0 .. 4.0.0.0]) = -empty-.add(3.1.0.0));
+
 	#  clist A (10,20,30)
 	bt_assert(l = -empty-.add((3,1)).add((3,2)).add((3,3)).add((3,4)));
 	bt_assert(format(l) = "(clist (3,1) (3,2) (3,3) (3,4))");