6 files changed, 6 insertions, 6 deletions
diff --git a/cpukit/posix/include/aio.h b/cpukit/posix/include/aio.h
index 49055344fb..bc1dc059bf 100644
--- a/cpukit/posix/include/aio.h
+++ b/cpukit/posix/include/aio.h
@@ -13,7 +13,7 @@
 extern "C" {
 #endif
 
-#include <sys/features.h>
+#include <unistd.h>
 
 #if defined(_POSIX_ASYNCHRONOUS_IO)
 
diff --git a/cpukit/posix/include/devctl.h b/cpukit/posix/include/devctl.h
index af4fe21c1e..e21ba09132 100644
--- a/cpukit/posix/include/devctl.h
+++ b/cpukit/posix/include/devctl.h
@@ -13,7 +13,7 @@
 extern "C" {
 #endif
 
-#include <sys/features.h>
+#include <unistd.h>
 
 #if defined(_POSIX_DEVICE_CONTROL)
 
diff --git a/cpukit/posix/include/intr.h b/cpukit/posix/include/intr.h
index 5f8b398099..ef62a676a3 100644
--- a/cpukit/posix/include/intr.h
+++ b/cpukit/posix/include/intr.h
@@ -17,7 +17,7 @@
 extern "C" {
 #endif
 
-#include <sys/features.h>
+#include <unistd.h>
 #include <sys/types.h>
 #include <sys/time.h>
 
diff --git a/cpukit/posix/include/mqueue.h b/cpukit/posix/include/mqueue.h
index a0d2c29f4a..0f2d584cca 100644
--- a/cpukit/posix/include/mqueue.h
+++ b/cpukit/posix/include/mqueue.h
@@ -13,7 +13,7 @@
 extern "C" {
 #endif
 
-#include <sys/features.h>
+#include <unistd.h>
 
 #if defined(_POSIX_MESSAGE_PASSING)
 
diff --git a/cpukit/posix/include/sched.h b/cpukit/posix/include/sched.h
index d5446bcab4..8603a138fa 100644
--- a/cpukit/posix/include/sched.h
+++ b/cpukit/posix/include/sched.h
@@ -14,7 +14,7 @@
 extern "C" {
 #endif
 
-#include <sys/features.h>
+#include <unistd.h>
 
 #if defined(_POSIX_PRIORITY_SCHEDULING)
 
diff --git a/cpukit/posix/include/semaphore.h b/cpukit/posix/include/semaphore.h
index d792489334..b41a729eb4 100644
--- a/cpukit/posix/include/semaphore.h
+++ b/cpukit/posix/include/semaphore.h
@@ -13,7 +13,7 @@
 extern "C" {
 #endif
 
-#include <sys/features.h>
+#include <unistd.h>
 
 #if defined(_POSIX_SEMAPHORES)