When you enable Paypal Express Checkout, there will be a "checkout with Paypal" button on top of the checkout page, please use follow additional scripts to hide it.
Open the additional scripts board
Go to your store admin >> Online Stores >> Preferences >> Additional scripts >> Head tab.
Add the below scripts
<style>
.dynamic-checkout {display: none}
</style>
Open the additional scripts board
Go to your store admin >> Online Stores >> Preferences >> Additional scripts >> Head tab.
Add the below scripts
<style>
.dynamic-checkout {display: none}
</style>
Published on: 06 / 05 / 2020