wp-includes/class-wp-role.php:71Removes a capability from a role.
$capstring public function remove_cap( $cap ) { unset( $this->capabilities[ $cap ] ); wp_roles()->remove_cap( $this->name, $cap ); }Introduced in 2.0.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-role.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.