Follow the steps below to remove and change the Gmail Profile Picture:
Step 1. Go to Gmail.com and sign in to the account for which you want to remove or change the profile picture.
Step 2. you will see your current profile picture on the top right corner.
Step 3. Click on that profile picture and click on “Google Account”.
Step 4. On this page, you will see a Tab named as “Personal Info” on the top left bar of the page.
Step 5. Click on “Personal Info”, scroll down to the bottom of the page where you will find “Go to About me” link under the “Choose what others see” section.
Step 6. Here you will see your current Profile Picture and a Pencil icon right next to it.
Step 7. Click on the Pencil icon and click on “No Photo” to remove your profile picture. You can also click on “Upload photo” to change your current profile picture.