diff --git a/common/gossmap.c b/common/gossmap.c
index 685bdd4a1..c0ea7e6ca 100644
--- a/common/gossmap.c
+++ b/common/gossmap.c
@@ -1868,17 +1868,3 @@ void gossmap_disable_mmap(struct gossmap *map)
 		munmap(map->mmap, map->map_size);
 	map->mmap = NULL;
 }
-
-const u8 *gossmap_fetch_tail(const tal_t *ctx, const struct gossmap *map)
-{
-	size_t len;
-	u8 *p;
-
-	/* Shouldn't happen... */
-	if (map->map_end > map->map_size)
-		return NULL;
-	len = map->map_size - map->map_end;
-	p = tal_arr(ctx, u8, len);
-	map_copy(map, map->map_size, p, len);
-	return p;
-}
diff --git a/common/gossmap.h b/common/gossmap.h
index a7c005861..ef3b71a6d 100644
--- a/common/gossmap.h
+++ b/common/gossmap.h
@@ -308,7 +308,4 @@ u64 gossmap_lengths(const struct gossmap *map, u64 *total);
 
 /* Debugging: connectd wants to enumerate fds */
 int gossmap_fd(const struct gossmap *map);
-
-/* Fetch unprocessed part of gossmap */
-const u8 *gossmap_fetch_tail(const tal_t *ctx, const struct gossmap *map);
 #endif /* LIGHTNING_COMMON_GOSSMAP_H */
diff --git a/gossipd/gossmap_manage.c b/gossipd/gossmap_manage.c
index 29b0a8db1..ed24fe9a6 100644
--- a/gossipd/gossmap_manage.c
+++ b/gossipd/gossmap_manage.c
@@ -1434,20 +1434,15 @@ struct gossmap *gossmap_manage_get_gossmap(struct gossmap_manage *gm)
 				      " used=%"PRIu64" seen=%"PRIu64" written=%"PRIu64,
 				      map_used, map_size, written_len);
 	} else if (map_size != map_used) {
-		const u8 *remainder_fd, *remainder_mmap;
+		const u8 *remainder_fd;
 
-		/* Sigh.  Did gossmap see something different (via mmap)
-		 * from what we see via read?  It's possible it's caught up
-		 * now, but just in case, log BOTH */
-		remainder_mmap = gossmap_fetch_tail(tmpctx, gm->raw_gossmap);
 		remainder_fd = fetch_tail_fd(tmpctx,
 					     gossmap_fd(gm->raw_gossmap),
 					     map_used, map_size);
 		status_failed(STATUS_FAIL_INTERNAL_ERROR,
 			      "Gossmap failed to process entire gossip_store: "
-			      "at %"PRIu64" of %"PRIu64" remaining_mmap=%s remaining_fd=%s",
+			      "at %"PRIu64" of %"PRIu64" remaining_fd=%s",
 			      map_used, map_size,
-			      tal_hex(tmpctx, remainder_mmap),
 			      tal_hex(tmpctx, remainder_fd));
 	}