diff --git a/lib/conversationnoticestream.php b/lib/conversationnoticestream.php
index b9b03c45c5..21b942c018 100644
--- a/lib/conversationnoticestream.php
+++ b/lib/conversationnoticestream.php
@@ -95,6 +95,12 @@ class RawConversationNoticeStream extends NoticeStream
             $notice->limit($offset, $limit);
         }
 
+        if (!$this->allVerbs) {
+            $notice->whereAdd(sprintf('verb="%s" OR verb="%s"',
+                                      ActivityVerb::POST,
+                                      ActivityUtils::resolveUri(ActivityVerb::POST, true)));
+        }
+
         // ORDER BY
         // currently imitates the previously used "_reverseChron" sorting
         $notice->orderBy('notice.created DESC');
diff --git a/lib/noticestream.php b/lib/noticestream.php
index e9ff47b68c..c072941a69 100644
--- a/lib/noticestream.php
+++ b/lib/noticestream.php
@@ -46,6 +46,8 @@ if (!defined('STATUSNET')) {
  */
 abstract class NoticeStream
 {
+    protected $allVerbs = false;    // Will only get 'post' activityverbs by default.
+
     abstract function getNoticeIds($offset, $limit, $since_id, $max_id);
 
     function getNotices($offset, $limit, $sinceId = null, $maxId = null)
diff --git a/lib/profilenoticestream.php b/lib/profilenoticestream.php
index ac18e1c8cd..a59a5d848b 100644
--- a/lib/profilenoticestream.php
+++ b/lib/profilenoticestream.php
@@ -136,6 +136,12 @@ class RawProfileNoticeStream extends NoticeStream
         Notice::addWhereSinceId($notice, $since_id);
         Notice::addWhereMaxId($notice, $max_id);
 
+        if (!$this->allVerbs) {
+            $notice->whereAdd(sprintf('verb="%s" OR verb="%s"',
+                                      ActivityVerb::POST,
+                                      ActivityUtils::resolveUri(ActivityVerb::POST, true)));
+        }
+
         $notice->orderBy('created DESC, id DESC');
 
         if (!is_null($offset)) {
diff --git a/lib/publicnoticestream.php b/lib/publicnoticestream.php
index 044701aaf6..222eead0ef 100644
--- a/lib/publicnoticestream.php
+++ b/lib/publicnoticestream.php
@@ -92,6 +92,12 @@ class RawPublicNoticeStream extends NoticeStream
         Notice::addWhereSinceId($notice, $since_id);
         Notice::addWhereMaxId($notice, $max_id);
 
+        if (!$this->allVerbs) {
+            $notice->whereAdd(sprintf('verb="%s" OR verb="%s"',
+                                      ActivityVerb::POST,
+                                      ActivityUtils::resolveUri(ActivityVerb::POST, true)));
+        }
+
         $ids = array();
 
         if ($notice->find()) {
@@ -105,4 +111,4 @@ class RawPublicNoticeStream extends NoticeStream
 
         return $ids;
     }
-}
\ No newline at end of file
+}
diff --git a/lib/replynoticestream.php b/lib/replynoticestream.php
index ec13ff9a67..b5f0621a9e 100644
--- a/lib/replynoticestream.php
+++ b/lib/replynoticestream.php
@@ -86,6 +86,12 @@ class RawReplyNoticeStream extends NoticeStream
         Notice::addWhereSinceId($reply, $since_id, 'notice_id', 'modified');
         Notice::addWhereMaxId($reply, $max_id, 'notice_id', 'modified');
 
+        if (!$this->allVerbs) {
+            $notice->whereAdd(sprintf('verb="%s" OR verb="%s"',
+                                      ActivityVerb::POST,
+                                      ActivityUtils::resolveUri(ActivityVerb::POST, true)));
+        }
+
         $reply->orderBy('modified DESC, notice_id DESC');
 
         if (!is_null($offset)) {
@@ -102,4 +108,4 @@ class RawReplyNoticeStream extends NoticeStream
 
         return $ids;
     }
-}
\ No newline at end of file
+}