diff --git a/v2/engine/execnt.c b/v2/engine/execnt.c
index a692c0337..9ab50c56b 100644
--- a/v2/engine/execnt.c
+++ b/v2/engine/execnt.c
@@ -49,7 +49,6 @@
 #include <assert.h>
 #include <ctype.h>
 #include <errno.h>
-#include <math.h>
 #include <time.h>
 
 #define WIN32_LEAN_AND_MEAN