diff --git a/lib/hdb/hdb-ldap.c b/lib/hdb/hdb-ldap.c
index c4a0adcc6..8809c49ad 100644
--- a/lib/hdb/hdb-ldap.c
+++ b/lib/hdb/hdb-ldap.c
@@ -40,7 +40,6 @@ RCSID("$Id$");
 
 #include <lber.h>
 #include <ldap.h>
-#include <ctype.h>
 #include <sys/un.h>
 #include <hex.h>