diff --git a/Makefile.in b/Makefile.in
index f6f98a68..7d8068aa 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -78,6 +78,7 @@ clean:
 clean-deps:
 	$(MAKE) -C $(PHF_DIR) clean
 	$(MAKE) -C $(OPENSSL_DIR) clean
+	rm -f $(PHF_STAMP) $(OPENSSL_STAMP)
 
 doc: $(OPENSSL) $(PHF)
 	$(RUSTDOC) $(LINK_ARGS) $(POSTGRES_LIB_FILE)
diff --git a/src/lib.rs b/src/lib.rs
index 3d8db502..3a2350f1 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -409,7 +409,7 @@ pub fn cancel_query<T: IntoConnectParams>(params: T, ssl: &SslMode,
 struct InnerPostgresConnection {
     stream: BufferedStream<MaybeSslStream<InternalStream>>,
     next_stmt_id: uint,
-    notice_handler: Box<PostgresNoticeHandler:Send>,
+    notice_handler: Box<PostgresNoticeHandler+Send>,
     notifications: RingBuf<PostgresNotification>,
     cancel_data: PostgresCancelData,
     unknown_types: HashMap<Oid, String>,
@@ -570,8 +570,8 @@ impl InnerPostgresConnection {
         }
     }
 
-    fn set_notice_handler(&mut self, handler: Box<PostgresNoticeHandler:Send>)
-            -> Box<PostgresNoticeHandler:Send> {
+    fn set_notice_handler(&mut self, handler: Box<PostgresNoticeHandler+Send>)
+            -> Box<PostgresNoticeHandler+Send> {
         mem::replace(&mut self.notice_handler, handler)
     }
 
@@ -772,8 +772,8 @@ impl PostgresConnection {
     }
 
     /// Sets the notice handler for the connection, returning the old handler.
-    pub fn set_notice_handler(&self, handler: Box<PostgresNoticeHandler:Send>)
-            -> Box<PostgresNoticeHandler:Send> {
+    pub fn set_notice_handler(&self, handler: Box<PostgresNoticeHandler+Send>)
+            -> Box<PostgresNoticeHandler+Send> {
         self.conn.borrow_mut().set_notice_handler(handler)
     }