diff --git a/alliance/src/exp/src/expl.l b/alliance/src/exp/src/expl.l
index 4c0244b7..d3510948 100644
--- a/alliance/src/exp/src/expl.l
+++ b/alliance/src/exp/src/expl.l
@@ -1,7 +1,6 @@
 %{
 #include <stdio.h>
 #include <stdlib.h>
-#include <malloc.h>
 #include <string.h>
 #include "exp.h"
 #include "expy.h"