diff --git a/tools/load_tester.cpp b/tools/load_tester.cpp
index 19747be..72025d0 100644
--- a/tools/load_tester.cpp
+++ b/tools/load_tester.cpp
@@ -26,10 +26,6 @@
 #define __has_feature(x) 0
 #endif
 
-#ifndef __has_feature
-#define __has_feature(x) 0
-#endif
-
 namespace {
 
 double now() {