diff --git a/lib/feed-v1/validation.js b/lib/feed-v1/validation.js
index 7bd0d28..ba02966 100644
--- a/lib/feed-v1/validation.js
+++ b/lib/feed-v1/validation.js
@@ -95,10 +95,6 @@ function validateTangle(msg, existingMsgs, tangleId) {
     }
     const existingMsg = existingMsgs.get(p)
 
-    if (existingMsg.metadata.who !== msg.metadata.who) {
-      // prettier-ignore
-      return new Error('invalid message: prev ' + p + ' is not from the same who, on feed: ' + msg.metadata.who);
-    }
     if (existingMsg.metadata.type !== msg.metadata.type) {
       // prettier-ignore
       return new Error('invalid message: prev ' + p + ' is not from the same type, on feed: ' + msg.metadata.who);