diff --git a/include/audio/codec.h b/include/audio/codec.h
index 677da302e8b..f3ef035072f 100644
--- a/include/audio/codec.h
+++ b/include/audio/codec.h
@@ -156,8 +156,6 @@ static inline int audio_codec_configure(const struct device *dev,
  * Setup the audio codec device to start the audio playback
  *
  * @param dev Pointer to the device structure for codec driver instance.
- *
- * @return none
  */
 static inline void audio_codec_start_output(const struct device *dev)
 {
@@ -173,8 +171,6 @@ static inline void audio_codec_start_output(const struct device *dev)
  * Setup the audio codec device to stop the audio playback
  *
  * @param dev Pointer to the device structure for codec driver instance.
- *
- * @return none
  */
 static inline void audio_codec_stop_output(const struct device *dev)
 {
diff --git a/include/audio/dmic.h b/include/audio/dmic.h
index d80ae43405d..9c173b06c9b 100644
--- a/include/audio/dmic.h
+++ b/include/audio/dmic.h
@@ -203,8 +203,6 @@ static inline uint32_t dmic_build_channel_map(uint8_t channel, uint8_t pdm,
  * @param channel The logical channel number
  * @param pdm Pointer to the PDM hardware controller number
  * @param lr Pointer to the LEFT/RIGHT channel within the PDM controller
- *
- * @return none
  */
 static inline void dmic_parse_channel_map(uint32_t channel_map_lo,
 		uint32_t channel_map_hi, uint8_t channel, uint8_t *pdm, enum pdm_lr *lr)