diff --git a/litex_boards/platforms/sipeed_tang_nano_9k.py b/litex_boards/platforms/sipeed_tang_nano_9k.py
index 966cb1f..057c2d9 100644
--- a/litex_boards/platforms/sipeed_tang_nano_9k.py
+++ b/litex_boards/platforms/sipeed_tang_nano_9k.py
@@ -1,14 +1,9 @@
 #
 # This file is part of LiteX-Boards.
 #
-# Copyright (c) 2021 Florent Kermarrec <florent@enjoy-digital.fr>
+# Copyright (c) 2022 Icenowy Zheng <icenowy@aosc.io>
 # SPDX-License-Identifier: BSD-2-Clause
 
-# Board diagram/pinout:
-# http://www.fabienm.eu/flf/wp-content/uploads/2021/08/Tang-Nano-4K-specifications.jpg
-# http://www.fabienm.eu/flf/wp-content/uploads/2021/08/Tang-Nano-4K-GW1NSR-4C-FPGA-board-pinout-diagram.jpg
-
-
 from migen import *
 
 from litex.build.generic_platform import *