On Twitter when you need to delete old Retweets the best way to go about it is to retweet the old retweet.
Then when you retweet it again the retweet icon will become green which is needed to delete the tweet.
Once the retweet icon turns green you can delete the old retweet and your new retweet by clicking the green retweet icon.
This will delete both the new retweet and the old retweets.
The other way to delete old retweets is to
- you need to request your Twitter Archive file from Twitter. Read the instructions below for how to download your Twitter archive file.
- Open up the Twitter Account page
- Click on the More menu located on the left panel of your Twitter page and click on “Settings and privacy”
- Click on Your Twitter Data under Data and permissions
- You'll be required to enter your Twitter password to access to your Twitter data page
You can also delete your old retweets much faster using tweetdeleter.com which is a script and software that helps you delete the tweets faster.