Index: uspace/app/tester/thread/setjmp1.c
===================================================================
--- uspace/app/tester/thread/setjmp1.c	(revision 6a5b999f06018515462931bbbd089015f335962a)
+++ uspace/app/tester/thread/setjmp1.c	(revision fcb0d76a86a9f53c0496fdfc2f29958d5aa3fc3f)
@@ -29,4 +29,5 @@
 #include <setjmp.h>
 #include <stdlib.h>
+#include <stddef.h>
 #include "../tester.h"
 
Index: uspace/app/tester/thread/thread1.c
===================================================================
--- uspace/app/tester/thread/thread1.c	(revision 6a5b999f06018515462931bbbd089015f335962a)
+++ uspace/app/tester/thread/thread1.c	(revision fcb0d76a86a9f53c0496fdfc2f29958d5aa3fc3f)
@@ -34,5 +34,5 @@
 #include <thread.h>
 #include <stdio.h>
-#include <unistd.h>
+#include <stddef.h>
 #include <inttypes.h>
 #include "../tester.h"
@@ -46,5 +46,5 @@
 	
 	while (atomic_get(&finish))
-		usleep(100000);
+		thread_usleep(100000);
 	
 	atomic_inc(&threads_finished);
@@ -70,5 +70,5 @@
 	
 	TPRINTF("\nRunning threads for %u seconds...", DELAY);
-	sleep(DELAY);
+	thread_sleep(DELAY);
 	TPRINTF("\n");
 	
@@ -77,5 +77,5 @@
 		TPRINTF("Threads left: %" PRIua "\n",
 		    total - atomic_get(&threads_finished));
-		sleep(1);
+		thread_sleep(1);
 	}