There are several procedures you must follow if you wish to deactivate my Flickr account for privacy concerns or because you want to erase it after you die. You must have a Yahoo ID in order to delete your account.
How to Delete My Flickr Account

You cannot remove images.
Deleted photographs are not always deleted; they are simply hidden. In reality, they may be recoverable with rigorous study and expensive lab instruments.
Flickr is a well-known photo-sharing website. It has stored billions of free photographs since 2004. It also includes filters, editing tools, and effects.
The website also provides a photo management system. It allows you to make albums, add images to them, and remove them. You may also save images to your PC or upload them to third-party sites.
The site is also a good place to save your images. You may add images to albums and download them to your computer or a CD. You may also distribute them to other Flickr members.
The website even provides email help. If you have any issues regarding removing photographs from your Flickr account, they can assist you.
You may also erase all of your photographs at once using the site’s “delete all” tool. It is simple to use this functionality. Sign in with your Flickr username and password, then navigate to your Flickr mobile account settings.

You cannot remove your account unless you have a Yahoo ID.
It is not as simple as it appears to delete your Flickr account without a Yahoo ID. It is doable, but you will need the assistance of a staff person. You may also be required to enter a captcha code.
You can only remove your Flickr account without a Yahoo ID by requesting access to it. This procedure takes roughly five working days.
The most straightforward method is to alter your screen name to something entirely odd. You could also check the Trash folder to see if there are any messages you can recover. You should also update your password to something that does not use dictionary words.
You may also check the Terms of Service for other services. Those who enable users to delete their accounts frequently express this in their language.
You might also try contacting a Flickr staff member using the Help By Email option. Unfortunately, this does not grant you access to your account information.
After death, you cannot erase your account.
You cannot deactivate your Flickr account after death unless you have a legal right to retrieve the material. It is a popular video sharing website where photographers may post high-resolution films and photographs. If you are aware that you have a Flickr account, you should preserve a backup of your stuff. You can also request that a friend save your account.
You can change your password if you don’t want to deactivate your account. However, if you used an outdated email address, you will be unable to change your password. If you want assistance, you may contact Flickr via their website. If you wish to modify your screen name, you can do so as well.
You may also create an “in memoriam” account in honor of your loved one. An in memoriam account will save all public material from your departed loved one’s account. If you do this, you must offer proof of your relationship to the person. You must also show that you have the legal right to access their account.
You are unable to download your photographs.
Those who have been using Flickr for a long time may be wondering how to download their photographs. The good news is that Flickr’s policy on downloading photographs has just changed. This implies that when you delete your Flickr account, you will no longer be able to download any photographs.
To download your images, you must first sign in to your account. After that, choose the Camera Roll view. This will allow you to sort your images by the date they were taken. You should also choose which photographs you wish to download.
The Flickr database will then generate a zip file containing the images you choose to download. You will receive an email once you have finished this. This email will include a download link. After clicking this link, enter your password and then click the ‘Ok, Next’ option.
If you have more than 1,000 images, you will have one last chance to download them. You must, however, back up your images. To keep your photographs secure, use a service like Windows Backup or Time Machine.