diff --git a/gps/gnss/XtraSystemStatusObserver.cpp b/gps/gnss/XtraSystemStatusObserver.cpp
index e35924ca..42e70e1f 100644
--- a/gps/gnss/XtraSystemStatusObserver.cpp
+++ b/gps/gnss/XtraSystemStatusObserver.cpp
@@ -32,6 +32,7 @@
 #include <sys/un.h>
 #include <errno.h>
 #include <ctype.h>
+#include <unistd.h>
 #include <cutils/properties.h>
 #include <math.h>
 #include <arpa/inet.h>
diff --git a/gps/utils/loc_log.cpp b/gps/utils/loc_log.cpp
index 21106837..97da9ed5 100644
--- a/gps/utils/loc_log.cpp
+++ b/gps/utils/loc_log.cpp
@@ -33,6 +33,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <sys/time.h>
+#include <time.h>
 #include "log_util.h"
 #include "loc_log.h"
 #include "msg_q.h"