diff --git a/lib/asn1/asn1_locl.h b/lib/asn1/asn1_locl.h
index 354d43ebf..d1e65f084 100644
--- a/lib/asn1/asn1_locl.h
+++ b/lib/asn1/asn1_locl.h
@@ -12,7 +12,6 @@
 #include <string.h>
 #include <limits.h>
 #include <ctype.h>
-#include "der.h"
 #include "gen.h"
 #include "hash.h"
 #include "symbol.h"
@@ -23,6 +22,12 @@ void generate_type_decode (Symbol *s);
 void generate_type_free (Symbol *s);
 void generate_type_length (Symbol *s);
 void generate_type_copy (Symbol *s);
+void generate_type_maybe (Symbol *s);
+
+void init_generate (char *filename);
+void close_generate(void);
+void initsym(void);
+int yyparse(void);
 
 int fix_dce(int, int*);