Index: src/includes/extend/buddypress/activity.php
===================================================================
--- src/includes/extend/buddypress/activity.php
+++ src/includes/extend/buddypress/activity.php
@@ -504,7 +504,7 @@
 		}
 
 		// Bail early if revisions are off
-		if ( ! bbp_allow_revisions() || ! post_type_supports( bbp_get_topic_post_type(), 'revisions' ) ) {
+		if ( ! bbp_allow_revisions() ) {
 			return;
 		}
 
@@ -642,7 +642,7 @@
 		}
 
 		// Bail early if revisions are off
-		if ( ! bbp_allow_revisions() || ! post_type_supports( bbp_get_reply_post_type(), 'revisions' ) ) {
+		if ( ! bbp_allow_revisions() ) {
 			return;
 		}