diff --git a/boards/arm/stm32l4/nucleo-l432kc/include/board.h b/boards/arm/stm32l4/nucleo-l432kc/include/board.h
index ed5066477af..8d79a89c0c7 100644
--- a/boards/arm/stm32l4/nucleo-l432kc/include/board.h
+++ b/boards/arm/stm32l4/nucleo-l432kc/include/board.h
@@ -221,12 +221,6 @@
 #define LED_ASSERTION    2
 #define LED_PANIC        1
 
-/* DAC
- * Default is PA4 (same as ADC, do not use both at the same time)
- */
-
-#define GPIO_DAC1_OUT            GPIO_DAC1_OUT_1
-
 /* Quadrature encoder
  * Default is to use timer 5 (32-bit) and encoder on PA0/PA1
  */
diff --git a/boards/arm/stm32l4/nucleo-l432kc/src/Makefile b/boards/arm/stm32l4/nucleo-l432kc/src/Makefile
index 17c0d0540e2..a6bda0369cd 100644
--- a/boards/arm/stm32l4/nucleo-l432kc/src/Makefile
+++ b/boards/arm/stm32l4/nucleo-l432kc/src/Makefile
@@ -55,10 +55,6 @@ ifeq ($(CONFIG_STM32L4_ADC),y)
 CSRCS += stm32_adc.c
 endif
 
-ifeq ($(CONFIG_DAC),y)
-CSRCS += stm32_dac.c
-endif
-
 ifeq ($(CONFIG_DAC7571),y)
 CSRCS += stm32_dac7571.c
 endif
diff --git a/boards/arm/stm32l4/nucleo-l432kc/src/nucleo-l432kc.h b/boards/arm/stm32l4/nucleo-l432kc/src/nucleo-l432kc.h
index 3f3251bad2c..06d721d628e 100644
--- a/boards/arm/stm32l4/nucleo-l432kc/src/nucleo-l432kc.h
+++ b/boards/arm/stm32l4/nucleo-l432kc/src/nucleo-l432kc.h
@@ -190,18 +190,6 @@ int stm32l4_pwm_setup(void);
 int stm32l4_adc_setup(void);
 #endif
 
-/****************************************************************************
- * Name: stm32l4_dac_setup
- *
- * Description:
- *   Initialize DAC and register the DAC driver.
- *
- ****************************************************************************/
-
-#ifdef CONFIG_DAC
-int stm32l4_dac_setup(void);
-#endif
-
 /****************************************************************************
  * Name: stm32_dac7571initialize
  *
diff --git a/boards/arm/stm32l4/nucleo-l432kc/src/stm32_appinit.c b/boards/arm/stm32l4/nucleo-l432kc/src/stm32_appinit.c
index 842dd368557..bbe75916217 100644
--- a/boards/arm/stm32l4/nucleo-l432kc/src/stm32_appinit.c
+++ b/boards/arm/stm32l4/nucleo-l432kc/src/stm32_appinit.c
@@ -242,12 +242,6 @@ int board_app_initialize(uintptr_t arg)
     }
 #endif
 
-#ifdef CONFIG_DAC
-  ainfo("Initializing DAC\n");
-
-  stm32l4_dac_setup();
-#endif /* CONFIG_DAC */
-
 #ifdef CONFIG_DAC7571
   /* Initialize and register DAC7571 */
 
diff --git a/boards/arm/stm32l4/nucleo-l432kc/src/stm32_dac.c b/boards/arm/stm32l4/nucleo-l432kc/src/stm32_dac.c
deleted file mode 100644
index 074420a132f..00000000000
--- a/boards/arm/stm32l4/nucleo-l432kc/src/stm32_dac.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/*****************************************************************************
- * boards/arm/stm32l4/nucleo-l432kc/src/stm32_dac.c
- *
- *   Copyright (C) 2017 Haltian Ltd. All rights reserved.
- *   Authors: Juha Niskanen <juha.niskanen@haltian.com>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- *    used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- *****************************************************************************/
-
-/*****************************************************************************
- * Included Files
- *****************************************************************************/
-
-#include <nuttx/config.h>
-#include <errno.h>
-#include <debug.h>
-
-#include <nuttx/board.h>
-#include <nuttx/analog/dac.h>
-
-#include "stm32l4_gpio.h"
-#include "stm32l4_dac.h"
-#include "nucleo-l432kc.h"
-
-#include <arch/board/board.h>
-
-/*****************************************************************************
- * Private Data
- *****************************************************************************/
-
-static struct dac_dev_s *g_dac;
-
-/*****************************************************************************
- * Public Functions
- *****************************************************************************/
-
-/*****************************************************************************
- * Name: stm32l4_dac_setup
- *****************************************************************************/
-
-int stm32l4_dac_setup(void)
-{
-  static bool initialized = false;
-
-  if (!initialized)
-    {
-#ifdef CONFIG_STM32L4_DAC1
-      int ret;
-
-      g_dac = stm32l4_dacinitialize(0);
-      if (g_dac == NULL)
-        {
-          aerr("ERROR: Failed to get DAC interface\n");
-          return -ENODEV;
-        }
-
-      /* Register the DAC driver at "/dev/dac0" */
-
-      ret = dac_register("/dev/dac0", g_dac);
-      if (ret < 0)
-        {
-          aerr("ERROR: dac_register failed: %d\n", ret);
-          return ret;
-        }
-
-#endif
-      initialized = true;
-    }
-
-  return OK;
-}