diff --git a/sys/dev/sound/pcm/feeder_eq.c b/sys/dev/sound/pcm/feeder_eq.c
index 3a51b2c636dd..dee38a386e51 100644
--- a/sys/dev/sound/pcm/feeder_eq.c
+++ b/sys/dev/sound/pcm/feeder_eq.c
@@ -93,7 +93,7 @@ SND_DECLARE_FILE("$FreeBSD$");
 static int feeder_eq_exact_rate = 0;
 
 #ifdef _KERNEL
-static const char feeder_eq_presets[] = FEEDER_EQ_PRESETS;
+static char feeder_eq_presets[] = FEEDER_EQ_PRESETS;
 SYSCTL_STRING(_hw_snd, OID_AUTO, feeder_eq_presets, CTLFLAG_RD,
     &feeder_eq_presets, 0, "compile-time eq presets");
 
diff --git a/sys/dev/sound/pcm/feeder_rate.c b/sys/dev/sound/pcm/feeder_rate.c
index 9e8813f11c3d..cb30dd93149a 100644
--- a/sys/dev/sound/pcm/feeder_rate.c
+++ b/sys/dev/sound/pcm/feeder_rate.c
@@ -159,7 +159,7 @@ int feeder_rate_quality = Z_QUALITY_DEFAULT;
 static int feeder_rate_polyphase_max = Z_POLYPHASE_MAX;
 
 #ifdef _KERNEL
-static const char feeder_rate_presets[] = FEEDER_RATE_PRESETS;
+static char feeder_rate_presets[] = FEEDER_RATE_PRESETS;
 SYSCTL_STRING(_hw_snd, OID_AUTO, feeder_rate_presets, CTLFLAG_RD,
     &feeder_rate_presets, 0, "compile-time rate presets");
 
diff --git a/sys/dev/sound/pcm/sound.c b/sys/dev/sound/pcm/sound.c
index d1b7be5c98a9..08a831ad97e3 100644
--- a/sys/dev/sound/pcm/sound.c
+++ b/sys/dev/sound/pcm/sound.c
@@ -68,7 +68,7 @@ SYSCTL_NODE(_hw, OID_AUTO, snd, CTLFLAG_RD, 0, "Sound driver");
  * XXX I've had enough with people not telling proper version/arch
  *     while reporting problems, not after 387397913213th questions/requests.
  */
-static const char snd_driver_version[] =
+static char snd_driver_version[] =
     __XSTRING(SND_DRV_VERSION)"/"MACHINE_ARCH;
 SYSCTL_STRING(_hw_snd, OID_AUTO, version, CTLFLAG_RD, &snd_driver_version,
     0, "driver version/arch");