From 2a9801e6761c4afab4db71368a8eec114374d4a7 Mon Sep 17 00:00:00 2001
From: Mirko Scholz <srtlg@users.noreply.github.com>
Date: Wed, 9 Sep 2020 08:47:51 +0200
Subject: [PATCH] superfluous

---
 src/stack_debug.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/stack_debug.c b/src/stack_debug.c
index 859d990..eb7da94 100644
--- a/src/stack_debug.c
+++ b/src/stack_debug.c
@@ -15,7 +15,6 @@
 #include "stack_debug.h"
 
 #if defined(STACK_DEBUG)
-extern uint16_t _SP;
 
 inline static void HIGH() {
 	P3_4 = 1;