diff --git a/cpu/esp32/periph_cpu.c b/cpu/esp32/periph_cpu.c
deleted file mode 100644
index 30c3c3088bee..000000000000
--- a/cpu/esp32/periph_cpu.c
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright (C) 2018 Gunar Schorcht
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
- */
-
-/**
- * @ingroup     cpu_esp32
- * @{
- *
- * @file
- * @brief       CPU specific definitions and functions for peripheral handling
- *
- * @author      Gunar Schorcht <gunar@schorcht.net>
- */
-
-#define ENABLE_DEBUG 0
-#include "debug.h"
-
-#include "periph_cpu.h"