diff --git a/wallet/wallet.go b/wallet/wallet.go
index 55bb16d..393953e 100644
--- a/wallet/wallet.go
+++ b/wallet/wallet.go
@@ -410,9 +410,6 @@ func (sw *SingleAddressWallet) Tip() (types.ChainIndex, error) {
 // UnconfirmedTransactions returns all unconfirmed transactions relevant to the
 // wallet.
 func (sw *SingleAddressWallet) UnconfirmedTransactions() ([]Transaction, error) {
-	sw.mu.Lock()
-	defer sw.mu.Unlock()
-
 	confirmed, err := sw.store.UnspentSiacoinElements()
 	if err != nil {
 		return nil, fmt.Errorf("failed to get unspent outputs: %w", err)