diff --git a/src/pcm/pcm.c b/src/pcm/pcm.c
index f5fc7285..cbbc55ae 100644
--- a/src/pcm/pcm.c
+++ b/src/pcm/pcm.c
@@ -635,7 +635,6 @@ playback devices.
 #include <signal.h>
 #include <ctype.h>
 #include <sys/poll.h>
-#include <sys/shm.h>
 #include <sys/mman.h>
 #include <limits.h>
 #include "pcm_local.h"
diff --git a/src/pcm/pcm_generic.c b/src/pcm/pcm_generic.c
index 9b605911..4dbef08c 100644
--- a/src/pcm/pcm_generic.c
+++ b/src/pcm/pcm_generic.c
@@ -26,7 +26,6 @@
  *
  */
 
-#include <sys/shm.h>
 #include <sys/ioctl.h>
 #include <limits.h>
 #include "pcm_local.h"
diff --git a/src/pcm/pcm_hw.c b/src/pcm/pcm_hw.c
index 232b1973..66aec5c6 100644
--- a/src/pcm/pcm_hw.c
+++ b/src/pcm/pcm_hw.c
@@ -36,7 +36,6 @@
 #include <fcntl.h>
 #include <sys/ioctl.h>
 #include <sys/mman.h>
-#include <sys/shm.h>
 #include "pcm_local.h"
 #include "../control/control_local.h"
 #include "../timer/timer_local.h"
diff --git a/src/pcm/pcm_null.c b/src/pcm/pcm_null.c
index 05298200..5e63caae 100644
--- a/src/pcm/pcm_null.c
+++ b/src/pcm/pcm_null.c
@@ -28,7 +28,6 @@
   
 #include <byteswap.h>
 #include <limits.h>
-#include <sys/shm.h>
 #include "pcm_local.h"
 #include "pcm_plugin.h"
 
diff --git a/src/pcm/pcm_plugin.c b/src/pcm/pcm_plugin.c
index c19e2f17..d007e8c8 100644
--- a/src/pcm/pcm_plugin.c
+++ b/src/pcm/pcm_plugin.c
@@ -82,7 +82,6 @@ pcm.rate44100Hz {
 
 */
   
-#include <sys/shm.h>
 #include <limits.h>
 #include "pcm_local.h"
 #include "pcm_plugin.h"
diff --git a/src/pcm/pcm_share.c b/src/pcm/pcm_share.c
index 4b68f1f0..5d8aaf21 100644
--- a/src/pcm/pcm_share.c
+++ b/src/pcm/pcm_share.c
@@ -35,7 +35,6 @@
 #include <math.h>
 #include <sys/socket.h>
 #include <sys/poll.h>
-#include <sys/shm.h>
 #include <pthread.h>
 #include "pcm_local.h"