diff --git a/cpu/nrf5x_common/include/periph_cpu_common.h b/cpu/nrf5x_common/include/periph_cpu_common.h
index ab1ad4753c..a467eed50d 100644
--- a/cpu/nrf5x_common/include/periph_cpu_common.h
+++ b/cpu/nrf5x_common/include/periph_cpu_common.h
@@ -165,16 +165,6 @@ typedef enum {
 /** @} */
 #endif /* ndef DOXYGEN */
 
-/**
- * @brief  SPI configuration values
- */
-typedef struct {
-    NRF_SPI_Type *dev;  /**< SPI device used */
-    gpio_t sclk;        /**< CLK pin */
-    gpio_t mosi;        /**< MOSI pin */
-    gpio_t miso;        /**< MISO pin */
-} spi_conf_t;
-
 /**
  * @name    WDT upper and lower bound times in ms
  * @{
diff --git a/cpu/nrf5x_common/periph/spi.c b/cpu/nrf5x_common/periph/spi.c
deleted file mode 100644
index 06958f7ee4..0000000000
--- a/cpu/nrf5x_common/periph/spi.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * Copyright (C) 2014-2016 Freie Universität Berlin
- *
- * 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_nrf5x_common
- * @ingroup     drivers_periph_spi
- * @{
- *
- * @file
- * @brief       Low-level SPI driver implementation
- *
- * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
- * @author      Frank Holtz <frank-riot2015@holtznet.de>
- * @author      Jan Wagner <mail@jwagner.eu>
- *
- * @}
- */
-
-#include "cpu.h"
-#include "mutex.h"
-#include "assert.h"
-#include "periph/spi.h"
-#include "periph/gpio.h"
-
-/**
- * @brief   array holding one pre-initialized mutex for each SPI device
- */
-static mutex_t locks[SPI_NUMOF];
-
-static inline NRF_SPI_Type *dev(spi_t bus)
-{
-    return spi_config[bus].dev;
-}
-
-void spi_init(spi_t bus)
-{
-    assert(bus < SPI_NUMOF);
-
-    /* initialize mutex */
-    mutex_init(&locks[bus]);
-    /* initialize pins */
-    spi_init_pins(bus);
-}
-
-void spi_init_pins(spi_t bus)
-{
-    /* set pin direction */
-    gpio_init(spi_config[bus].sclk, GPIO_OUT);
-    gpio_init(spi_config[bus].mosi, GPIO_OUT);
-    gpio_init(spi_config[bus].miso, GPIO_IN);
-    /* select pins for the SPI device */
-    SPI_SCKSEL  = spi_config[bus].sclk;
-    SPI_MOSISEL = spi_config[bus].mosi;
-    SPI_MISOSEL = spi_config[bus].miso;
-}
-
-int spi_acquire(spi_t bus, spi_cs_t cs, spi_mode_t mode, spi_clk_t clk)
-{
-    (void) cs;
-
-    mutex_lock(&locks[bus]);
-#ifdef CPU_FAM_NRF51
-    /* power on the bus (NRF51 only) */
-    dev(bus)->POWER = 1;
-#endif
-    /* configure bus */
-    dev(bus)->CONFIG = mode;
-    dev(bus)->FREQUENCY = clk;
-    /* enable the bus */
-    dev(bus)->ENABLE = 1;
-
-    return SPI_OK;
-}
-
-void spi_release(spi_t bus)
-{
-    /* power off everything */
-    dev(bus)->ENABLE = 0;
-#ifdef CPU_FAM_NRF51
-    dev(bus)->POWER = 0;
-#endif
-    mutex_unlock(&locks[bus]);
-}
-
-void spi_transfer_bytes(spi_t bus, spi_cs_t cs, bool cont,
-                        const void *out, void *in, size_t len)
-{
-    const uint8_t *out_buf = out;
-    uint8_t *in_buf = in;
-
-    assert(out_buf || in_buf);
-
-    if (cs != SPI_CS_UNDEF) {
-        gpio_clear((gpio_t)cs);
-    }
-
-    for (int i = 0; i < (int)len; i++) {
-        uint8_t tmp = (out_buf) ? out_buf[i] : 0;
-
-        dev(bus)->EVENTS_READY = 0;
-        dev(bus)->TXD = (uint8_t)tmp;
-        while (dev(bus)->EVENTS_READY != 1);
-        tmp = (uint8_t)dev(bus)->RXD;
-
-        if (in_buf) {
-            in_buf[i] = tmp;
-        }
-    }
-
-    if ((cs != SPI_CS_UNDEF) && (!cont)) {
-        gpio_set((gpio_t)cs);
-    }
-}