diff --git a/tools/mkeficapsule.c b/tools/mkeficapsule.c
index 243fd6e483..d6e3725e5f 100644
--- a/tools/mkeficapsule.c
+++ b/tools/mkeficapsule.c
@@ -5,7 +5,6 @@
  */
 
 #include <getopt.h>
-#include <malloc.h>
 #include <stdbool.h>
 #include <stdint.h>
 #include <stdio.h>