diff --git a/lib/asn1/gen_locl.h b/lib/asn1/gen_locl.h
index fae18da12..eaf87390f 100644
--- a/lib/asn1/gen_locl.h
+++ b/lib/asn1/gen_locl.h
@@ -58,11 +58,10 @@ void generate_type (const Symbol *);
 void generate_constant (const Symbol *);
 void generate_type_encode (const Symbol *);
 void generate_type_decode (const Symbol *);
-void generate_seq_type_decode (const Symbol *);
 void generate_type_free (const Symbol *);
 void generate_type_length (const Symbol *);
 void generate_type_copy (const Symbol *);
-void generate_type_maybe (const Symbol *);
+void generate_type_seq (const Symbol *);
 void generate_glue (const Type *, const char*);
 
 const char *classname(Der_class);
@@ -79,6 +78,7 @@ void add_import(const char *);
 int yyparse(void);
 
 int preserve_type(const char *);
+int seq_type(const char *);
 
 extern FILE *headerfile, *codefile, *logfile;
 extern int dce_fix;