diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index b429b73e875e..3652c9439af9 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -94,9 +94,6 @@ struct snd_pcm_ops {
 #define SNDRV_PCM_DEVICES	8
 #endif
 
-#define SNDRV_PCM_IOCTL1_FALSE		((void *)0)
-#define SNDRV_PCM_IOCTL1_TRUE		((void *)1)
-
 #define SNDRV_PCM_IOCTL1_RESET		0
 #define SNDRV_PCM_IOCTL1_INFO		1
 #define SNDRV_PCM_IOCTL1_CHANNEL_INFO	2