diff --git a/demo/ledclock.c b/demo/ledclock.c
index 78c2a3b..712bab5 100644
--- a/demo/ledclock.c
+++ b/demo/ledclock.c
@@ -23,7 +23,6 @@
 #include <errno.h>
 #include <getopt.h>
 #include <ctype.h>
-#include <sched.h>
 #include <signal.h>
 #include <string.h>
 #include <sys/time.h>
diff --git a/demo/receiver.c b/demo/receiver.c
index 1aae47c..4bddf51 100644
--- a/demo/receiver.c
+++ b/demo/receiver.c
@@ -23,7 +23,6 @@
 #include <errno.h>
 #include <getopt.h>
 #include <ctype.h>
-#include <sched.h>
 #include <signal.h>
 #include <string.h>
 #include <sys/time.h>