diff --git a/lib/sessions/backend/recent_viewed.rb b/lib/sessions/backend/recent_viewed.rb
deleted file mode 100644
index 4b86fb0b8..000000000
--- a/lib/sessions/backend/recent_viewed.rb
+++ /dev/null
@@ -1,59 +0,0 @@
-class Sessions::Backend::RecentViewed
-
-  def initialize( user, client = nil, client_id = nil )
-    @user         = user
-    @client       = client
-    @client_id    = client_id
-    @last_change  = nil
-  end
-
-  def load
-
-    # get whole collection
-    recent_viewed = RecentView.list( @user, 10 )
-
-    # no data exists
-    return if !recent_viewed
-    return if recent_viewed.empty?
-
-    # no change exists
-    return if @last_change == recent_viewed
-
-    # remember last state
-    @last_change = recent_viewed
-
-    RecentView.list_fulldata( @user, 10 )
-  end
-
-  def client_key
-    "as::load::#{ self.class.to_s }::#{ @user.id }::#{ @client_id }"
-  end
-
-  def push
-
-    # check timeout
-    timeout = Sessions::CacheIn.get( self.client_key )
-    return if timeout
-
-    # set new timeout
-    Sessions::CacheIn.set( self.client_key, true, { :expires_in => 15.seconds } )
-
-    data = self.load
-
-    return if !data||data.empty?
-
-    if !@client
-      return {
-        :event      => 'update_recent_viewed',
-        :data       => data,
-      }
-    end
-
-    @client.log 'notify', "push recent_viewed for user #{ @user.id }"
-    @client.send({
-      :event      => 'update_recent_viewed',
-      :data       => data,
-    })
-  end
-
-end