diff --git a/contrib/pg_upgrade/exec.c b/contrib/pg_upgrade/exec.c
index c991a8d033f..7f013013a06 100644
--- a/contrib/pg_upgrade/exec.c
+++ b/contrib/pg_upgrade/exec.c
@@ -12,7 +12,6 @@
 #include "pg_upgrade.h"
 
 #include <fcntl.h>
-#include <unistd.h>
 #include <sys/types.h>
 
 static void check_data_dir(const char *pg_data);
diff --git a/contrib/pg_upgrade/option.c b/contrib/pg_upgrade/option.c
index cd9f66dd117..acec083c0f0 100644
--- a/contrib/pg_upgrade/option.c
+++ b/contrib/pg_upgrade/option.c
@@ -16,7 +16,6 @@
 
 #include <time.h>
 #include <sys/types.h>
-#include <sys/stat.h>
 #ifdef WIN32
 #include <io.h>
 #endif