How to delete file from remote vault

Help
1

What I’m trying to do

I mistakenly synced a file to my remove vault. (I an a new user. I just added syncing a few days ago and I am thoroughly confused about how the remote syncing works.) It seems to me that once the file is uploaded there is nothing you can do about it until the sync is 95% full. That is unacceptable (and is probably not true).

I am trying to delete a file that I mistakenly synced (i.e., uploaded to my remote vault).Things I have tried

I’ve searched this forum and found related links (“Syncing multiple local vaults to one remote” and “Being able to purge deleted files from Obsidian Sync”). But most of it is about recovering files deleted during a sync process. Nothing clearly tells me how to delete a file that I mistakenly synced.
I’ve read the Help manual on “Local and Remote Vaults” and “Sync Settings and Selective Synching”.
I understand that “excluding a file or folder” will not delete the file or folder - that must be done before syncing (that’s too late for me). I tried doing excluding a file anyway to see how that would work. I created a new folder and told Obsidian to exclude it. Then, after restarting Obsidian, I checked the sync status and the sync log - and my new “excluded folder” had been synced!! THIS IS FAR MORE COMPLICATED THAN IT NEEDS TO BE! If I can’t delete the mistaken upload then sync is of no use to me.

2

If you delete a file locally and let sync propagate the removal, it will be marked as deleted in the remote vault. With E2EE, the content of the remote vault is encrypted with a key we don’t have, so we can’t access it.

There is a retention period (to make file recovery possible) after which the file is deleted.

If you don’t wanna wait the retention period, you can delete the remote vault and create a new one.

3

Now knowing that the encrypted file will be deleted in due course (after the retention period), I believe that answers my question. Thank you.