diff --git a/boards/rpi-pico/include/periph_conf.h b/boards/rpi-pico/include/periph_conf.h
index eb27755f45a55..fd3975cae4643 100644
--- a/boards/rpi-pico/include/periph_conf.h
+++ b/boards/rpi-pico/include/periph_conf.h
@@ -156,6 +156,7 @@ static const pio_conf_t pio_config[] = {
 #define PIO_1_ISR1      isr_pio11   /**< ISR name of PIO 1 IRQ 1 */
 
 #define PIO_NUMOF       ARRAY_SIZE(pio_config)  /**< Number of PIOs */
+/** @} */
 
 #if defined(PIO_I2C_CONFIG) || defined(DOXYGEN)
 /**
@@ -174,7 +175,6 @@ static const pio_i2c_conf_t pio_i2c_config[] = {
 #else
 #define pio_i2c_config  ((pio_i2c_conf_t *)NULL)
 #endif
-/** @} */
 
 /*
  * @name   PWM configuration
diff --git a/cpu/rpx0xx/periph/pwm.c b/cpu/rpx0xx/periph/pwm.c
index 74f505cd17421..4ffa816dc645d 100644
--- a/cpu/rpx0xx/periph/pwm.c
+++ b/cpu/rpx0xx/periph/pwm.c
@@ -131,7 +131,6 @@ void pwm_set(pwm_t pwm, uint8_t channel, uint16_t value)
         io_reg_write_dont_corrupt(&pwm_slice(slice)->cc,
                                   (value << PWM_CH0_CC_A_Pos),
                                   PWM_CH0_CC_A_Msk);
-        
     }
 }