diff --git a/libnetwork/drivers/bridge/bridge_linux.go b/libnetwork/drivers/bridge/bridge_linux.go
index df4eaeca70..aa3a953be1 100644
--- a/libnetwork/drivers/bridge/bridge_linux.go
+++ b/libnetwork/drivers/bridge/bridge_linux.go
@@ -235,7 +235,7 @@ func ValidateFixedCIDRV6(val string) error {
 // Whatever can be assessed a priori before attempting any programming.
 func (c *networkConfiguration) Validate() error {
 	if c.Mtu < 0 {
-		return ErrInvalidMtu(c.Mtu)
+		return errdefs.InvalidParameter(fmt.Errorf("invalid MTU number: %d", c.Mtu))
 	}
 
 	if c.EnableIPv4 {
diff --git a/libnetwork/drivers/bridge/errors.go b/libnetwork/drivers/bridge/errors.go
index 54ee551143..ffef40ba28 100644
--- a/libnetwork/drivers/bridge/errors.go
+++ b/libnetwork/drivers/bridge/errors.go
@@ -16,16 +16,6 @@ func (eig *ErrInvalidGateway) Error() string {
 // InvalidParameter denotes the type of this error
 func (eig *ErrInvalidGateway) InvalidParameter() {}
 
-// ErrInvalidMtu is returned when the user provided MTU is not valid.
-type ErrInvalidMtu int
-
-func (eim ErrInvalidMtu) Error() string {
-	return fmt.Sprintf("invalid MTU number: %d", int(eim))
-}
-
-// InvalidParameter denotes the type of this error
-func (eim ErrInvalidMtu) InvalidParameter() {}
-
 // InvalidNetworkIDError is returned when the passed
 // network id for an existing network is not a known id.
 type InvalidNetworkIDError string