diff --git a/Examples/java/multimap/example.c b/Examples/java/multimap/example.c
index d135481af..d8cbdc74d 100644
--- a/Examples/java/multimap/example.c
+++ b/Examples/java/multimap/example.c
@@ -1,7 +1,6 @@
 /* File : example.c */
 #include <stdio.h>
 #include <stdlib.h>
-#include <ctype.h>
 
 /* Compute the greatest common divisor of positive integers */
 int gcd(int x, int y) {