diff --git a/boards/avsextrem/include/periph_conf.h b/boards/avsextrem/include/periph_conf.h
index 2dc1dc76a9ad5a931ab43d3deef814741b2a15e2..ae50a27529f614b164a3a6c25f516e8b02e0de90 100644
--- a/boards/avsextrem/include/periph_conf.h
+++ b/boards/avsextrem/include/periph_conf.h
@@ -41,26 +41,6 @@ extern "C" {
 #define TIMER_NUMOF         (1U)
 /** @} */
 
-/**
- * @brief PWM device and pinout configuration
- */
-#define PWM_NUMOF           (0)         /* disable PWM for now as no pins are specified */
-#define PWM_0_EN            (0)
-
-/* PWM_0 device configuration */
-#define PWM_0_CH0           (3)         /* TODO: adjust pins for avsextrem */
-#define PWM_0_CH0_MR        PWM1MR3
-#define PWM_0_CH1           (4)
-#define PWM_0_CH1_MR        PWM1MR4
-#define PWM_0_CH2           (5)
-#define PWM_0_CH2_MR        PWM1MR5
-/* PWM_0 pin configuration */
-#define PWM_0_PORT          PINSEL4
-#define PWM_0_CH0_PIN       (2)
-#define PWM_0_CH1_PIN       (3)
-#define PWM_0_CH2_PIN       (4)
-#define PWM_0_FUNC          (1)
-
 /**
  * @brief Real Time Clock configuration
  */