diff --git a/lib/asn1/gen.c b/lib/asn1/gen.c
index ca1b725c5..e98278ab8 100644
--- a/lib/asn1/gen.c
+++ b/lib/asn1/gen.c
@@ -225,7 +225,6 @@ gen_compare_defval(const char *var, struct value *val)
 static void
 generate_header_of_codefile(const char *name)
 {
-    struct import *i;
     char *filename;
 
     if (codefile != NULL)