diff --git a/breacharbiter.go b/breacharbiter.go
index 9e46dbead..a2933a36a 100644
--- a/breacharbiter.go
+++ b/breacharbiter.go
@@ -357,7 +357,7 @@ func (b *breachArbiter) waitForSpendEvent(breachInfo *retributionInfo,
 			var err error
 			spendNtfn, err = b.cfg.Notifier.RegisterSpendNtfn(
 				&breachedOutput.outpoint,
-				breachInfo.breachHeight, false,
+				breachInfo.breachHeight,
 			)
 			if err != nil {
 				brarLog.Errorf("unable to check for spentness "+
diff --git a/contractcourt/chain_arbitrator.go b/contractcourt/chain_arbitrator.go
index a3a48d555..9ceb4a9ed 100644
--- a/contractcourt/chain_arbitrator.go
+++ b/contractcourt/chain_arbitrator.go
@@ -497,7 +497,7 @@ func (c *ChainArbitrator) Stop() error {
 // NOTE: This must be launched as a goroutine.
 func (c *ChainArbitrator) watchForChannelClose(closeInfo *channeldb.ChannelCloseSummary) {
 	spendNtfn, err := c.cfg.Notifier.RegisterSpendNtfn(
-		&closeInfo.ChanPoint, closeInfo.CloseHeight, false,
+		&closeInfo.ChanPoint, closeInfo.CloseHeight,
 	)
 	if err != nil {
 		log.Errorf("unable to register for spend: %v", err)
diff --git a/contractcourt/chain_watcher.go b/contractcourt/chain_watcher.go
index 1ab959cbe..7cda8f85a 100644
--- a/contractcourt/chain_watcher.go
+++ b/contractcourt/chain_watcher.go
@@ -173,7 +173,7 @@ func (c *chainWatcher) Start() error {
 	}
 
 	spendNtfn, err := c.cfg.notifier.RegisterSpendNtfn(
-		fundingOut, heightHint, false,
+		fundingOut, heightHint,
 	)
 	if err != nil {
 		return err
diff --git a/contractcourt/contract_resolvers.go b/contractcourt/contract_resolvers.go
index 6b1546197..f9e09630d 100644
--- a/contractcourt/contract_resolvers.go
+++ b/contractcourt/contract_resolvers.go
@@ -172,7 +172,7 @@ func (h *htlcTimeoutResolver) Resolve() (ContractResolver, error) {
 		// has been spent by a confirmed transaction.
 		spendNtfn, err := h.Notifier.RegisterSpendNtfn(
 			&h.htlcResolution.ClaimOutpoint,
-			h.broadcastHeight, false,
+			h.broadcastHeight,
 		)
 		if err != nil {
 			return err
@@ -580,7 +580,7 @@ func (h *htlcSuccessResolver) Resolve() (ContractResolver, error) {
 	// To wrap this up, we'll wait until the second-level transaction has
 	// been spent, then fully resolve the contract.
 	spendNtfn, err := h.Notifier.RegisterSpendNtfn(
-		&h.htlcResolution.ClaimOutpoint, h.broadcastHeight, false,
+		&h.htlcResolution.ClaimOutpoint, h.broadcastHeight,
 	)
 	if err != nil {
 		return nil, err
@@ -791,8 +791,7 @@ func (h *htlcOutgoingContestResolver) Resolve() (ContractResolver, error) {
 	// First, we'll register for a spend notification for this output. If
 	// the remote party sweeps with the pre-image, we'll  be notified.
 	spendNtfn, err := h.Notifier.RegisterSpendNtfn(
-		&outPointToWatch,
-		h.broadcastHeight, false,
+		&outPointToWatch, h.broadcastHeight,
 	)
 	if err != nil {
 		return nil, err
@@ -1288,7 +1287,7 @@ func (c *commitSweepResolver) Resolve() (ContractResolver, error) {
 		// until the commitment output has been spent.
 		spendNtfn, err := c.Notifier.RegisterSpendNtfn(
 			&c.commitResolution.SelfOutPoint,
-			c.broadcastHeight, false,
+			c.broadcastHeight,
 		)
 		if err != nil {
 			return nil, err