diff --git a/sys/dev/sound/pcm/sound.h b/sys/dev/sound/pcm/sound.h
--- a/sys/dev/sound/pcm/sound.h
+++ b/sys/dev/sound/pcm/sound.h
@@ -175,6 +175,9 @@
 
 #define	PCM_DETACHING(x)	((x)->flags & SD_F_DETACHING)
 
+#define	PCM_CHANCOUNT(d)	\
+	(d->playcount + d->pvchancount + d->reccount + d->rvchancount)
+
 /* many variables should be reduced to a range. Here define a macro */
 #define RANGE(var, low, high) (var) = \
 	(((var)<(low))? (low) : ((var)>(high))? (high) : (var))
@@ -367,7 +370,7 @@
 			} opened;
 		} pcm;
 	} channels;
-	unsigned devcount, playcount, reccount, pvchancount, rvchancount ;
+	unsigned playcount, reccount, pvchancount, rvchancount;
 	unsigned flags;
 	unsigned int bufsz;
 	void *devinfo;
diff --git a/sys/dev/sound/pcm/sound.c b/sys/dev/sound/pcm/sound.c
--- a/sys/dev/sound/pcm/sound.c
+++ b/sys/dev/sound/pcm/sound.c
@@ -602,8 +602,6 @@
 		break;
 	}
 
-	d->devcount++;
-
 	return (0);
 }
 
@@ -644,8 +642,6 @@
 		break;
 	}
 
-	d->devcount--;
-
 	return (0);
 }
 
@@ -947,7 +943,6 @@
 		d->flags |= SD_F_BITPERFECT;
 
 	d->devinfo = devinfo;
-	d->devcount = 0;
 	d->reccount = 0;
 	d->playcount = 0;
 	d->pvchancount = 0;
@@ -1116,7 +1111,7 @@
 		PCM_UNLOCKASSERT(d);
 		PCM_LOCK(d);
 
-		si->numaudios += d->devcount;
+		si->numaudios += PCM_CHANCOUNT(d);
 		++ncards;
 
 		CHN_FOREACH(c, d, channels.pcm) {