diff --git a/lightningd/lightningd.c b/lightningd/lightningd.c
index 10b722579..fa1f2365c 100644
--- a/lightningd/lightningd.c
+++ b/lightningd/lightningd.c
@@ -39,8 +39,7 @@ char *bitcoin_datadir;
 
 struct backtrace_state *backtrace_state;
 
-static struct lightningd *new_lightningd(const tal_t *ctx,
-					 struct log_book *log_book)
+static struct lightningd *new_lightningd(const tal_t *ctx)
 {
 	struct lightningd *ld = tal(ctx, struct lightningd);
 
@@ -58,8 +57,8 @@ static struct lightningd *new_lightningd(const tal_t *ctx,
 	list_head_init(&ld->peers);
 	htlc_in_map_init(&ld->htlcs_in);
 	htlc_out_map_init(&ld->htlcs_out);
-	ld->log_book = log_book;
-	ld->log = new_log(log_book, log_book, "lightningd(%u):", (int)getpid());
+	ld->log_book = new_log_book(20*1024*1024, LOG_INFORM);
+	ld->log = new_log(ld, ld->log_book, "lightningd(%u):", (int)getpid());
 	ld->logfile = NULL;
 	ld->alias = NULL;
 	ld->rgb = NULL;
@@ -253,7 +252,6 @@ static void daemonize_but_keep_dir(void)
 
 int main(int argc, char *argv[])
 {
-	struct log_book *log_book;
 	struct lightningd *ld;
 	bool newdir;
 	u32 first_blocknum;
@@ -266,10 +264,7 @@ int main(int argc, char *argv[])
 #endif
 	backtrace_state = backtrace_create_state(argv[0], 0, NULL, NULL);
 
-	/* Things log on shutdown, so we need this to outlive lightningd */
-	log_book = new_log_book(NULL, 20*1024*1024, LOG_INFORM);
-	ld = new_lightningd(NULL, log_book);
-
+	ld = new_lightningd(NULL);
 	secp256k1_ctx = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY
 						 | SECP256K1_CONTEXT_SIGN);
 
@@ -392,7 +387,6 @@ int main(int argc, char *argv[])
 
 	tal_free(ld);
 	opt_free_table();
-	tal_free(log_book);
 
 #if DEVELOPER
 	memleak_cleanup();
diff --git a/lightningd/lightningd.h b/lightningd/lightningd.h
index d9171b46d..064dc24f7 100644
--- a/lightningd/lightningd.h
+++ b/lightningd/lightningd.h
@@ -87,8 +87,9 @@ struct lightningd {
 	/* Configuration settings. */
 	struct config config;
 
-	/* Log for general stuff. */
+	/* This log_book is owned by all the struct logs */
 	struct log_book *log_book;
+	/* Log for general stuff. */
 	struct log *log;
 	const char *logfile;
 
diff --git a/lightningd/log.c b/lightningd/log.c
index a5205e2cc..3a8d15976 100644
--- a/lightningd/log.c
+++ b/lightningd/log.c
@@ -5,6 +5,7 @@
 #include <ccan/opt/opt.h>
 #include <ccan/read_write_all/read_write_all.h>
 #include <ccan/str/hex/hex.h>
+#include <ccan/tal/link/link.h>
 #include <ccan/tal/str/str.h>
 #include <ccan/time/time.h>
 #include <common/memleak.h>
@@ -122,11 +123,10 @@ static size_t prune_log(struct log_book *log)
 	return deleted;
 }
 
-struct log_book *new_log_book(const tal_t *ctx,
-			      size_t max_mem,
+struct log_book *new_log_book(size_t max_mem,
 			      enum log_level printlevel)
 {
-	struct log_book *lr = tal(ctx, struct log_book);
+	struct log_book *lr = tal_linkable(tal(NULL, struct log_book));
 
 	/* Give a reasonable size for memory limit! */
 	assert(max_mem > sizeof(struct log) * 2);
@@ -151,7 +151,7 @@ new_log(const tal_t *ctx, struct log_book *record, const char *fmt, ...)
 	struct log *log = tal(ctx, struct log);
 	va_list ap;
 
-	log->lr = record;
+	log->lr = tal_link(log, record);
 	va_start(ap, fmt);
 	/* log->lr owns this, since its entries keep a pointer to it. */
 	/* FIXME: Refcount this! */
diff --git a/lightningd/log.h b/lightningd/log.h
index 3082fc5eb..7bb0323f9 100644
--- a/lightningd/log.h
+++ b/lightningd/log.h
@@ -13,9 +13,9 @@ struct json_result;
 struct lightningd;
 struct timerel;
 
-/* We can have a single log book, with multiple logs in it. */
-struct log_book *new_log_book(const tal_t *ctx,
-			      size_t max_mem,
+/* We can have a single log book, with multiple logs in it: it's freed by
+ * the last struct log itself. */
+struct log_book *new_log_book(size_t max_mem,
 			      enum log_level printlevel);
 
 /* With different entry points */
diff --git a/lightningd/peer_control.c b/lightningd/peer_control.c
index 8ec12aeed..a1dd345b8 100644
--- a/lightningd/peer_control.c
+++ b/lightningd/peer_control.c
@@ -112,8 +112,7 @@ struct peer *new_peer(struct lightningd *ld, u64 dbid,
 	peer->direction = get_channel_direction(&peer->ld->id, &peer->id);
 
 	/* Max 128k per peer. */
-	peer->log_book = new_log_book(peer, 128*1024,
-				      get_log_level(ld->log_book));
+	peer->log_book = new_log_book(128*1024, get_log_level(ld->log_book));
 	set_log_outfn(peer->log_book, copy_to_parent_log, peer);
 	list_add_tail(&ld->peers, &peer->list);
 	tal_add_destructor(peer, destroy_peer);
diff --git a/lightningd/test/run-find_my_path.c b/lightningd/test/run-find_my_path.c
index 288836f3e..9c545b690 100644
--- a/lightningd/test/run-find_my_path.c
+++ b/lightningd/test/run-find_my_path.c
@@ -51,8 +51,7 @@ void log_(struct log *log UNNEEDED, enum log_level level UNNEEDED, const char *f
 struct log *new_log(const tal_t *ctx UNNEEDED, struct log_book *record UNNEEDED, const char *fmt UNNEEDED, ...)
 { fprintf(stderr, "new_log called!\n"); abort(); }
 /* Generated stub for new_log_book */
-struct log_book *new_log_book(const tal_t *ctx UNNEEDED,
-			      size_t max_mem UNNEEDED,
+struct log_book *new_log_book(size_t max_mem UNNEEDED,
 			      enum log_level printlevel UNNEEDED)
 { fprintf(stderr, "new_log_book called!\n"); abort(); }
 /* Generated stub for new_topology */
diff --git a/wallet/test/run-wallet.c b/wallet/test/run-wallet.c
index 538b9c97f..b65bd39bf 100644
--- a/wallet/test/run-wallet.c
+++ b/wallet/test/run-wallet.c
@@ -556,8 +556,7 @@ struct log *new_log(const tal_t *ctx UNNEEDED, struct log_book *record UNNEEDED,
 	return NULL;
 }
 
-struct log_book *new_log_book(const tal_t *ctx UNNEEDED,
-			      size_t max_mem UNNEEDED,
+struct log_book *new_log_book(size_t max_mem UNNEEDED,
 			      enum log_level printlevel UNNEEDED)
 {
 	return NULL;