diff --git a/hw/xbox/nv2a/pgraph/vk/instance.c b/hw/xbox/nv2a/pgraph/vk/instance.c
index 19cf7ebe4e..3d993cb735 100644
--- a/hw/xbox/nv2a/pgraph/vk/instance.c
+++ b/hw/xbox/nv2a/pgraph/vk/instance.c
@@ -1,7 +1,7 @@
 /*
  * Geforce NV2A PGRAPH Vulkan Renderer
  *
- * Copyright (c) 2024 Matt Borgerson
+ * Copyright (c) 2024-2025 Matt Borgerson
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/hw/xbox/nv2a/pgraph/vk/shaders.c b/hw/xbox/nv2a/pgraph/vk/shaders.c
index c61d5a8cbd..a538a623a6 100644
--- a/hw/xbox/nv2a/pgraph/vk/shaders.c
+++ b/hw/xbox/nv2a/pgraph/vk/shaders.c
@@ -3,12 +3,6 @@
  *
  * Copyright (c) 2024-2025 Matt Borgerson
  *
- * Based on GL implementation:
- *
- * Copyright (c) 2015 espes
- * Copyright (c) 2015 Jannik Vogel
- * Copyright (c) 2018-2024 Matt Borgerson
- *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either