From c3cd733f26b02d60b49aa10f82eb6762acdd3ac4 Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Tue, 1 Mar 2022 12:19:22 +1100
Subject: [PATCH] Filter: tidy includes

---
 libraries/Filter/Butter.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/libraries/Filter/Butter.h b/libraries/Filter/Butter.h
index 02eb2e064d..36ac1f420e 100644
--- a/libraries/Filter/Butter.h
+++ b/libraries/Filter/Butter.h
@@ -1,7 +1,5 @@
 #pragma once
 
-#include <AP_HAL/AP_HAL.h>
-
 template <typename Coefficients>
 class Butter2
 {