diff --git a/libnetwork/drivers/bridge/errors.go b/libnetwork/drivers/bridge/errors.go
index 8757add165..dc1248ac12 100644
--- a/libnetwork/drivers/bridge/errors.go
+++ b/libnetwork/drivers/bridge/errors.go
@@ -245,9 +245,6 @@ func (ipv4 *IPv4AddrNoMatchError) Error() string {
 	return fmt.Sprintf("bridge IPv4 (%s) does not match requested configuration %s", ipv4.IP, ipv4.CfgIP)
 }
 
-// BadRequest denotes the type of this error
-func (ipv4 *IPv4AddrNoMatchError) BadRequest() {}
-
 // IPv6AddrNoMatchError is returned when the bridge's IPv6 address does not match configured.
 type IPv6AddrNoMatchError net.IPNet
 
@@ -255,9 +252,6 @@ func (ipv6 *IPv6AddrNoMatchError) Error() string {
 	return fmt.Sprintf("bridge IPv6 addresses do not match the expected bridge configuration %s", (*net.IPNet)(ipv6).String())
 }
 
-// BadRequest denotes the type of this error
-func (ipv6 *IPv6AddrNoMatchError) BadRequest() {}
-
 // InvalidLinkIPAddrError is returned when a link is configured to a container with an invalid ip address
 type InvalidLinkIPAddrError string