diff --git a/lib/hx509/hx_locl.h b/lib/hx509/hx_locl.h
index 3b1238dec..fa4f26255 100644
--- a/lib/hx509/hx_locl.h
+++ b/lib/hx509/hx_locl.h
@@ -54,7 +54,6 @@
 
 #include <krb5-types.h>
 
-#include <heim_asn1.h>
 #include <rfc2459_asn1.h>
 #include <cms_asn1.h>
 #include <pkcs8_asn1.h>