diff --git a/unit_test/unit_test.h b/unit_test/unit_test.h
index 0a8df4d2c..6cc99a654 100644
--- a/unit_test/unit_test.h
+++ b/unit_test/unit_test.h
@@ -14,7 +14,6 @@
 #ifdef _WIN32
 #include <windows.h>
 #else
-#include <sys/resource.h>
 #include <sys/time.h>
 #endif