diff --git a/filter/config.Y b/filter/config.Y
index 995f6cd4..49c59efc 100644
--- a/filter/config.Y
+++ b/filter/config.Y
@@ -185,159 +185,6 @@ f_generate_empty(struct f_dynamic_attr dyn)
   return f_new_inst(FI_EA_SET, f_new_inst(FI_CONSTANT, empty), dyn);
 }
 
-#if 0
-
-static inline struct f_inst *
-f_generate_dpair(struct f_inst *t1, struct f_inst *t2)
-{
-  struct f_inst *rv;
-
-  if ((t1->fi_code == FI_CONSTANT) && (t2->fi_code == FI_CONSTANT)) {
-    if ((t1->val.type != T_INT) || (t2->val.type != T_INT))
-      cf_error( "Can't operate with value of non-integer type in pair constructor");
-
-    check_u16(t1->a[1].i);
-    check_u16(t2->a[1].i);
-
-    rv = f_new_inst(FI_CONSTANT);
-    rv->val = (struct f_val) {
-      .type = T_PAIR,
-      .val.i = pair(t1->a[1].i, t2->a[1].i),
-    };
-  }
-  else {
-    rv = f_new_inst(FI_PAIR_CONSTRUCT);
-    rv->a[0].p = t1;
-    rv->a[1].p = t2;
-  }
-
-  return rv;
-}
-
-static inline struct f_inst *
-f_generate_ec(u16 kind, struct f_inst *tk, struct f_inst *tv)
-{
-  struct f_inst *rv;
-  int c1 = 0, c2 = 0, ipv4_used = 0;
-  u32 key = 0, val2 = 0;
-
-  if (tk->fi_code == FI_CONSTANT) {
-    c1 = 1;
-    struct f_val *val = &(tk->val);
-
-    if (val->type == T_INT) {
-      ipv4_used = 0; key = val->val.i;
-    }
-    else if (tk->val.type == T_QUAD) {
-      ipv4_used = 1; key = val->val.i;
-    }
-    else if ((val->type == T_IP) && ipa_is_ip4(val->val.ip)) {
-      ipv4_used = 1; key = ipa_to_u32(val->val.ip);
-    }
-    else
-      cf_error("Can't operate with key of non-integer/IPv4 type in EC constructor");
-  }
-
-  if (tv->fi_code == FI_CONSTANT) {
-    if (tv->val.type != T_INT)
-      cf_error("Can't operate with value of non-integer type in EC constructor");
-    c2 = 1;
-    val2 = tv->val.val.i;
-  }
-
-  if (c1 && c2) {
-    u64 ec;
-
-    if (kind == EC_GENERIC) {
-      ec = ec_generic(key, val2);
-    }
-    else if (ipv4_used) {
-      check_u16(val2);
-      ec = ec_ip4(kind, key, val2);
-    }
-    else if (key < 0x10000) {
-      ec = ec_as2(kind, key, val2);
-    }
-    else {
-      check_u16(val2);
-      ec = ec_as4(kind, key, val2);
-    }
-
-    rv = f_new_inst(FI_CONSTANT);
-    rv->val = (struct f_val) {
-      .type = T_EC,
-      .val.ec = ec,
-    };
-  }
-  else {
-    rv = f_new_inst(FI_EC_CONSTRUCT);
-    rv->aux = kind;
-    rv->a[0].p = tk;
-    rv->a[1].p = tv;
-  }
-
-  return rv;
-}
-
-static inline struct f_inst *
-f_generate_lc(struct f_inst *t1, struct f_inst *t2, struct f_inst *t3)
-{
-  struct f_inst *rv;
-
-  if ((t1->fi_code == FI_CONSTANT) && (t2->fi_code == FI_CONSTANT) && (t3->fi_code == FI_CONSTANT)) {
-    if ((t1->val.type != T_INT) || (t2->val.type != T_INT) || (t3->val.type != T_INT))
-      cf_error( "LC - Can't operate with value of non-integer type in tuple constructor");
-
-    rv = f_new_inst(FI_CONSTANT);
-    rv->val = (struct f_val) {
-      .type = T_LC,
-      .val.lc = (lcomm) { t1->a[1].i, t2->a[1].i, t3->a[1].i },
-    };
-  }
-  else
-  {
-    rv = f_new_inst(FI_LC_CONSTRUCT);
-    rv->a[0].p = t1;
-    rv->a[1].p = t2;
-    rv->a[2].p = t3;
-  }
-
-  return rv;
-}
-
-static inline struct f_inst *
-f_generate_path_mask(struct f_inst *t)
-{
-  uint len = 0;
-  uint dyn = 0;
-  for (const struct f_inst *tt = t; tt; tt = tt->next) {
-    if (tt->fi_code != FI_CONSTANT)
-      dyn++;
-    len++;
-  }
-
-  if (dyn) {
-    struct f_inst *pmc = f_new_inst(FI_PATHMASK_CONSTRUCT);
-    pmc->a[0].p = t;
-    pmc->a[1].i = len;
-    return pmc;
-  }
-
-  struct f_path_mask *pm = cfg_allocz(sizeof(struct f_path_mask) + len * sizeof(struct f_path_mask_item));
-
-  uint i = 0;
-  for (const struct f_inst *tt = t; tt; tt = tt->next)
-    pm->item[i++] = tt->val.val.pmi;
-
-  pm->len = i;
-  struct f_inst *pmc = f_new_inst(FI_CONSTANT);
-  pmc->val = (struct f_val) { .type = T_PATH_MASK, .val.path_mask = pm, };
-
-  return pmc;
-}
-
-#endif
-
 /*
  * Remove all new lines and doubled whitespaces
  * and convert all tabulators to spaces