diff --git a/src/kernel/apps/testapp/main.c b/src/kernel/apps/testapp/main.c
index 8d83fdcfcf..ae63b4b61f 100644
--- a/src/kernel/apps/testapp/main.c
+++ b/src/kernel/apps/testapp/main.c
@@ -7,7 +7,6 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <syscalls.h>
-#include <ktypes.h>
 #include <sys/resource.h>
 #include <Errors.h>
 #include <OS.h>
diff --git a/src/kernel/apps/tests/fops_test.c b/src/kernel/apps/tests/fops_test.c
index 0036a57783..5791481f83 100644
--- a/src/kernel/apps/tests/fops_test.c
+++ b/src/kernel/apps/tests/fops_test.c
@@ -2,7 +2,6 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <syscalls.h>
-#include <ktypes.h>
 #include <sys/resource.h>
 #include <Errors.h>
 #include <errno.h>
diff --git a/src/kernel/apps/tests/random_test.c b/src/kernel/apps/tests/random_test.c
index e377bc0940..9bc8465403 100644
--- a/src/kernel/apps/tests/random_test.c
+++ b/src/kernel/apps/tests/random_test.c
@@ -2,7 +2,6 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <syscalls.h>
-#include <ktypes.h>
 #include <sys/resource.h>
 #include <Errors.h>
 #include <errno.h>
diff --git a/src/kernel/apps/tests/thread_test.c b/src/kernel/apps/tests/thread_test.c
index 2f77240680..869930d91c 100644
--- a/src/kernel/apps/tests/thread_test.c
+++ b/src/kernel/apps/tests/thread_test.c
@@ -1,19 +1,16 @@
 /*
 ** Copyright 2002-2004, The OpenBeOS Team. All rights reserved.
-** Distributed under the terms of the OpenBeOS License.
+** Distributed under the terms of the MIT License.
 */
 
 
+#include <OS.h>
+
 #include <string.h>
 #include <stdio.h>
-#include <unistd.h>
-#include <syscalls.h>
-#include <ktypes.h>
-#include <sys/resource.h>
-#include <Errors.h>
-#include <OS.h>
 #include <stdlib.h>
 
+
 #define THREADS    5
 #define START_VAL  1