diff --git a/lib/str_util.h b/lib/str_util.h
index ebb7c36656..62cee3fb61 100755
--- a/lib/str_util.h
+++ b/lib/str_util.h
@@ -26,7 +26,6 @@
 #include <cstring>
 #include <string>
 #include <vector>
-#include <algorithm>
 
 #define MEGA (1048576.0)
 #define GIGA (1024.*1048576.0)