I cannot delete a mem completely. I had created a mem but I want to delete it. I went to my profile and delete it in the MEMS. However, that mem will still appear when I’m learning that word.
this sometimes happens, I have no idea if this has a “cure” just try to ignore it 
Can’t you just flag it?
This thread was created May 16, this bug may no longer exists.
oh, yeah : P