diff --git a/state.h b/state.h
index e2595db81..256592806 100644
--- a/state.h
+++ b/state.h
@@ -369,8 +369,7 @@ const struct bitcoin_tx *bitcoin_steal(const tal_t *ctx,
 				       struct bitcoin_event *btc);
 
 /* Create our commit tx */
-const struct bitcoin_tx *bitcoin_commit(const tal_t *ctx,
-					const struct peer *peer);
+const struct bitcoin_tx *bitcoin_commit(const tal_t *ctx, struct peer *peer);
 
 /* Create a HTLC refund collection */
 const struct bitcoin_tx *bitcoin_htlc_timeout(const tal_t *ctx,
diff --git a/test/test_state_coverage.c b/test/test_state_coverage.c
index f5f1141ef..531baec65 100644
--- a/test/test_state_coverage.c
+++ b/test/test_state_coverage.c
@@ -894,8 +894,7 @@ const struct bitcoin_tx *bitcoin_steal(const tal_t *ctx,
 	return bitcoin_tx("steal");
 }
 
-const struct bitcoin_tx *bitcoin_commit(const tal_t *ctx,
-					const struct peer *peer)
+const struct bitcoin_tx *bitcoin_commit(const tal_t *ctx, struct peer *peer)
 {
 	return bitcoin_tx("our commit");
 }