@@ -47,17 +47,6 @@ func (in ErrInvalidName) Error() string {

 // BadRequest denotes the type of this error

 func (in ErrInvalidName) BadRequest() {}

-// NetworkTypeError type is returned when the network type string is not

-// known to libnetwork.

-type NetworkTypeError string

-

-func (nt NetworkTypeError) Error() string {

-	return fmt.Sprintf("unknown driver %q", string(nt))

-}

-

-// NotFound denotes the type of this error

-func (nt NetworkTypeError) NotFound() {}

-

 // NetworkNameError is returned when a network with the same name already exists.

 type NetworkNameError string

@@ -25,7 +25,7 @@ func TestErrorInterfaces(t *testing.T) {

 		}

 	}

-	notFoundErrorList := []error{NetworkTypeError(""), &UnknownNetworkError{}, &UnknownEndpointError{}, ErrNoSuchNetwork(""), ErrNoSuchEndpoint("")}

+	notFoundErrorList := []error{&UnknownNetworkError{}, &UnknownEndpointError{}, ErrNoSuchNetwork(""), ErrNoSuchEndpoint("")}

 	for _, err := range notFoundErrorList {

 		switch u := err.(type) {

 		case types.NotFoundError: