How can I remove a character-binding for a thing?

[montchr]

How can I go about removing a character-thing mapping from meow-char-thing-table?

For example, I would like to remove the r binding for round because I have added (.

I have tried both of these but only get errors because I am not familiar with the structure of meow-char-thing-table (is it a character table?):

(cl-remove ?r 'meow-char-thing-table)
(seq-remove-at-position 'meow-char-thing-table ?r)

Edit: It appears meow-char-thing-table is not a character table because (char-table-p meow-char-thing-table) is nil, which was also confirmed by the following attempt, which resulted in a wrong type argument error.

(set-char-table-range 'meow-char-thing-table ?r nil)

That set me on the right track, I have an answer below.

[montchr]

I've figured it out. I was over-complicating things because I assumed meow-char-thing-table is a character table, but it is actually an alist.

This worked for me (simplified from a function making it reusable):

(assoc-delete-all ?r meow-char-thing-table #'eq))

Here is the original value of meow-char-thing-table for reference:

((114 . round)
 (115 . square)
 (99 . curly)
 (103 . string)
 (101 . symbol)
 (119 . window)
 (98 . buffer)
 (112 . paragraph)
 (108 . line)
 (118 . visual-line)
 (100 . defun)
 (46 . sentence))