diff --git a/bill/outlay.go b/bill/outlay.go
index b6cfdb95..883b7240 100644
--- a/bill/outlay.go
+++ b/bill/outlay.go
@@ -50,7 +50,7 @@ func (o *Outlay) Validate() error {
 // UnmarshalJSON helps migrate the desc field to description.
 func (o *Outlay) UnmarshalJSON(data []byte) error {
 	type Alias Outlay
-	aux := &struct {
+	aux := struct {
 		Desc string `json:"desc"`
 		*Alias
 	}{
diff --git a/pay/advance.go b/pay/advance.go
index 40ef7fd5..bb515ffb 100644
--- a/pay/advance.go
+++ b/pay/advance.go
@@ -74,7 +74,7 @@ func (a *Advance) CalculateFrom(totalWithTax num.Amount) {
 // UnmarshalJSON helps migrate the desc field to description.
 func (a *Advance) UnmarshalJSON(data []byte) error {
 	type Alias Advance
-	aux := &struct {
+	aux := struct {
 		Desc string `json:"desc,omitempty"`
 		*Alias
 	}{
diff --git a/tax/set.go b/tax/set.go
index e8fe68a9..4f9b0c4b 100644
--- a/tax/set.go
+++ b/tax/set.go
@@ -133,7 +133,7 @@ func (c *Combo) prepare(r *Regime, zone l10n.Code, date cal.Date) error {
 // the rate field.
 func (c *Combo) UnmarshalJSON(data []byte) error {
 	type Alias Combo
-	aux := &struct {
+	aux := struct {
 		*Alias
 		Tags []cbc.Key `json:"tags"`
 	}{