diff --git a/dialer.go b/dialer.go
index a78e3b5..9b242ff 100644
--- a/dialer.go
+++ b/dialer.go
@@ -23,7 +23,7 @@ type Dialer interface {
 // Multidialer is like Dialer, but supports link state updates.
 type Multidialer interface {
 	Dialer
-	UpdateInterface(name string, addr netip.Addr, status bool) error
+	UpdateInterface(name string, addr netip.Addr, status bool)
 }
 
 var (
@@ -389,7 +389,7 @@ func (d *dialer) dialContext(nd *net.Dialer, ctx context.Context, network, addre
 
 // UpdateInterface implements the Multidialer interface.
 // Updating address on a specific interface is currently not supported.
-func (d *dialer) UpdateInterface(iface string, addr netip.Addr, up bool) error {
+func (d *dialer) UpdateInterface(iface string, addr netip.Addr, up bool) {
 	d.mtx.Lock()
 	defer d.mtx.Unlock()
 
@@ -408,7 +408,6 @@ func (d *dialer) UpdateInterface(iface string, addr netip.Addr, up bool) error {
 			}
 		}
 	}
-	return nil
 }
 
 // splitByType divides an address list into two categories: