Okay, I have several thousands pages I’ve liked through the years and I CANNOT go to the edit likes pages and press TAB + DEL thousands of times to remove my likes by hand.
Isn’t there a more automatic way to remove all the pages I liked through the years by using the open graph?
Makes you wish there was an Unlike All button!
In the User object documentation, under the Likes connection there’s nothing about changing/deleting or even adding likes, it just has a way of reading the user likes.
So as it looks, currently you have no way of automating this, and you’ll have to manually go to each page you want to remove the like.