Emotional interactions are an integral part of the user experience on Facebook. However, sometimes for some reason you may want to revoke (delete) an emoji you’ve interacted with on a post or comment in the past. Learn how to do it right below.
Recall emotional interactions with Facebook activity logs
The question is, how do you find posts or comments you’ve interacted with? Quite simply, use a feature called activity log. The activity log page is where you can find detailed information about your interactions, as well as revoke interactive emojis if desired.
This is a modal window.
In the menu “Settings and Privacyclick on the option “Activity Log".
In the menu bar on the left, you click Interactions> Likes and feelings.
In the list on the right, you'll see all the posts you've liked or interacted with, with the most recent one appearing at the top.
Here, find the post for which you want to remove the engagement. Then click on the three dots next to it.
In the menu that appears, click the option “Unlike" or "Remove interaction"on a case-by-case basis.

Your emotional interactions on that post will be removed immediately.
Recall emotional interactions with Facebook mobile activity logs
If you're using a phone or tablet, first launch the Facebook app and log in to your account.
In the Facebook interface, click the three horizontal lines button. On an iPhone or iPad, you'll find it in the bottom-right corner of the screen, while on Android it's in the top-right corner.
Scroll the page”Menu” to the bottom and tap Settings & Privacy > Settings.
On page "Settings and Privacy", in section "Your informationtap on “Activity Log".
In "Activity Logtap Interactions > Likes and feelings.
You'll see all the posts you've interacted with here. Find the post you want to remove the interaction, then tap the three dots next to it.
In the menu that appears, click the option “Unlike" or "Remove interaction"on a case-by-case basis.
Your emotional interactions on that post will instantly disappear. Hope you are succesful.