diff --git a/mod_livePosting.go b/mod_livePosting.go
index 1bd675c..4de4b90 100644
--- a/mod_livePosting.go
+++ b/mod_livePosting.go
@@ -252,10 +252,28 @@ func (m *modLivePosting) sendLivePost(username, displayName, title, game, previe
 		if err != nil {
 			return errors.Wrap(err, "parsing message timestamp")
 		}
-		if msg.Content == postText && time.Since(mt) < ignoreTime {
+
+		if msg.Content != postText {
+			// Post is for another channel / is another message
+			continue
+		}
+
+		if time.Since(mt) < ignoreTime {
+			// Message is still fresh
 			logger.Debug("Not creating live-post, it's already there")
 			return nil
 		}
+
+		// @attr remove_old optional bool "false" If set to `true` older message with same content will be deleted
+		if !m.attrs.MustBool("remove_old", ptrBoolFalse) {
+			// We're not allowed to purge the old message
+			continue
+		}
+
+		// Purge the old message
+		if err = m.discord.ChannelMessageDelete(channelID, msg.ID); err != nil {
+			return errors.Wrap(err, "deleting old message")
+		}
 	}
 
 	// Discord caches the images and the URLs do not change every time
diff --git a/wiki/Home.md b/wiki/Home.md
index a6de8df..065b152 100644
--- a/wiki/Home.md
+++ b/wiki/Home.md
@@ -85,6 +85,7 @@ Announces stream live status based on Discord streaming status
 | `disable_presence` |  | bool | `false` | Disable posting live-postings for discord presence changes |
 | `poll_usernames` |  | []string | `[]` | Check these usernames for active streams when executing the `cron` (at most 100 users can be checked) |
 | `preserve_proxy` |  | string |  | URL prefix of a Luzifer/preserve proxy to cache stream preview for longer |
+| `remove_old` |  | bool | `false` | If set to `true` older message with same content will be deleted |
 | `stream_freshness` |  | duration | `5m` | How long after stream start to post shoutout |
 | `whitelisted_role` |  | string |  | Only post for members of this role ID |