Remove Orphaned Actions in Drupal 7

I recently discovered this weird behaviour by drush when I disabled Comment module in Drupal 7 - drush was giving the following warning whenever I tried enabling/disabling any module:

WD actions: 3 orphaned actions (comment_publish_action, comment_save_action, comment_unpublish_action) exist in the actions table. Remove orphaned actions

After some scrounging on (where most solutions were meant for Drupal 6), I found the solution at Just execute the following once:

drush php-eval "actions_synchronize(actions_list(), TRUE);"
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