diff --git a/examples/mdnsd/mdnsd_daemon.c b/examples/mdnsd/mdnsd_daemon.c
index bfa7759e8..bc2ea4563 100644
--- a/examples/mdnsd/mdnsd_daemon.c
+++ b/examples/mdnsd/mdnsd_daemon.c
@@ -25,7 +25,6 @@
  ****************************************************************************/
 
 #include <nuttx/config.h>
-
 #include <stdint.h>
 #include <stdlib.h>
 
diff --git a/testing/drivers/crypto/dhm.c b/testing/drivers/crypto/dhm.c
index f1eafa2d7..9595e4cb4 100644
--- a/testing/drivers/crypto/dhm.c
+++ b/testing/drivers/crypto/dhm.c
@@ -27,6 +27,7 @@
 #include <fcntl.h>
 #include <stddef.h>
 #include <stdio.h>
+#include <unistd.h>
 #include <sys/ioctl.h>
 #include <crypto/cryptodev.h>
 
diff --git a/testing/mm/cachetest/cachetest_main.c b/testing/mm/cachetest/cachetest_main.c
index 3906b58e6..2916932c8 100644
--- a/testing/mm/cachetest/cachetest_main.c
+++ b/testing/mm/cachetest/cachetest_main.c
@@ -27,6 +27,7 @@
 #include <nuttx/config.h>
 #include <nuttx/cache.h>
 #include <stdio.h>
+#include <unistd.h>
 #include <syslog.h>
 
 /****************************************************************************
diff --git a/testing/mm/memstress/memorystress_main.c b/testing/mm/memstress/memorystress_main.c
index 6d9b2d98d..ab1ff8630 100644
--- a/testing/mm/memstress/memorystress_main.c
+++ b/testing/mm/memstress/memorystress_main.c
@@ -28,6 +28,8 @@
 #include <stdlib.h>
 #include <debug.h>
 #include <stdio.h>
+#include <unistd.h>
+#include <pthread.h>
 #include <stddef.h>
 #include <string.h>
 #include <stdint.h>