WhatsApp Inc. taking up storage space

Hi oluwaseunnn,

We appreciate you reaching out to us.

We’d like to gather additional details that may help us be in a better position to assist you.

Have you had the chance to restart your iPhone? Restart your iPhone - Apple Support

If yes, let’s check for a software update and make sure that you are running the latest version of iOS.

While it isn't inherently assured that an update will resolve the issue, updating to the latest software version for your device can help isolate potential software issues. 

Kindly secure a backup and update.

How to back up your iPhone, iPad, and iPod touch

Update your iPhone, iPad, or iPod touch

If WhatsApp is already deleted, please try to install WhatsApp again, then delete it again.

If the issue still persists, please reach out to us here so we can take a closer look into the issue: Get Support

Take care!