diff --git a/netip.c b/netip.c
index c7ccd0c..ecabdc8 100644
--- a/netip.c
+++ b/netip.c
@@ -87,12 +87,6 @@ static int     name_is(name_t *name, const char *label, name_t *domain);
 static ssize_t name_search(name_t *haystack, name_t *needle);
 static ipv4_t  name_ip(name_t *query, name_t *tld);
 
-typedef struct {
-	size_t len;
-	size_t mark;
-	char   data[DGRAM_MAX_SIZE];
-} buf_t;
-
 typedef struct {
 	/* header */
 	uint16_t id;