How to decrease the MDCTextField height in swift

i am using material-components-ios pod for textfield

so i have installed pod 'MaterialComponents/TextFields' in my project

and in storyboard for serviceTitleTextField i have given height 30. but still its coming big height

code:

import MaterialComponents

class PageContentViewController: UIViewController {
    
@IBOutlet weak var serviceTitleTextField: MDCTextField!

private var titleTextfieldeController: MDCTextInputControllerOutlined?

override func viewDidLoad() {
    super.viewDidLoad()  

titleTextfieldeController = MDCTextInputControllerOutlined(textInput: serviceTitleTextField)
titleTextfieldeController?.floatingPlaceholderActiveColor = .darkGray

 }

here the texfield height is too big. how to show 30 height for textfield?

output: