no flag also

ethcore/src/client/client.rs

@@ -324,7 +324,6 @@ impl<V> Client<V> where V: Verifier {
 					invalid: invalid_blocks,
 					enacted: enacted,
 					retracted: retracted,
-					is_last: self.queue_info().is_empty()
 				})).unwrap();
 			}
 		}

ethcore/src/service.rs

@@ -35,8 +35,6 @@ pub enum SyncMessage {
 		retracted: Vec<H256>,
 		/// Hashes of blocks that are now included in cannonical chain
 		enacted: Vec<H256>,
-		/// Set when blockqueue is empty
-		is_last: bool,
 	},
 	/// Best Block Hash in chain has been changed
 	NewChainHead,