diff --git a/core/txpool/legacypool/legacypool_test.go b/core/txpool/legacypool/legacypool_test.go
index 4a618fbcf5..901c5c15a5 100644
--- a/core/txpool/legacypool/legacypool_test.go
+++ b/core/txpool/legacypool/legacypool_test.go
@@ -1549,7 +1549,7 @@ func TestRepricing(t *testing.T) {
 	if err := pool.addRemote(pricedTransaction(0, 100000, big.NewInt(500000000), keys[1])); err != nil {
 		t.Fatalf("failed to add pending transaction: %v", err)
 	}
-	if err := pool.addRemote(pricedTransaction(2, 100000, big.NewInt(500000000), keys[2])); err != nil {
+	if err := pool.addRemoteSync(pricedTransaction(2, 100000, big.NewInt(500000000), keys[2])); err != nil {
 		t.Fatalf("failed to add queued transaction: %v", err)
 	}
 	if err := validateEvents(events, 5); err != nil {
@@ -1676,7 +1676,7 @@ func TestRepricingDynamicFee(t *testing.T) {
 		t.Fatalf("failed to add pending transaction: %v", err)
 	}
 	tx = dynamicFeeTx(2, 100000, big.NewInt(350000000), big.NewInt(350000000), keys[2])
-	if err := pool.addRemote(tx); err != nil {
+	if err := pool.addRemoteSync(tx); err != nil {
 		t.Fatalf("failed to add queued transaction: %v", err)
 	}
 	if err := validateEvents(events, 5); err != nil {
@@ -1821,18 +1821,18 @@ func TestUnderpricing(t *testing.T) {
 		t.Fatalf("pool internal state corrupted: %v", err)
 	}
 	// Ensure that adding an underpriced transaction on block limit fails
-	if err := pool.addRemote(pricedTransaction(0, 100000, big.NewInt(250000000), keys[1])); !errors.Is(err, txpool.ErrUnderpriced) {
+	if err := pool.addRemoteSync(pricedTransaction(0, 100000, big.NewInt(250000000), keys[1])); !errors.Is(err, txpool.ErrUnderpriced) {
 		t.Fatalf("adding underpriced pending transaction error mismatch: have %v, want %v", err, txpool.ErrUnderpriced)
 	}
 	// Replace a future transaction with a future transaction
-	if err := pool.addRemote(pricedTransaction(1, 100000, big.NewInt(500000000), keys[1])); err != nil { // +K1:1 => -K1:1 => Pend K0:0, K0:1, K2:0; Que K1:1
+	if err := pool.addRemoteSync(pricedTransaction(1, 100000, big.NewInt(500000000), keys[1])); err != nil { // +K1:1 => -K1:1 => Pend K0:0, K0:1, K2:0; Que K1:1
 		t.Fatalf("failed to add well priced transaction: %v", err)
 	}
 	// Ensure that adding high priced transactions drops cheap ones, but not own
-	if err := pool.addRemote(pricedTransaction(0, 100000, big.NewInt(750000000), keys[1])); err != nil { // +K1:0 => -K1:1 => Pend K0:0, K0:1, K1:0, K2:0; Que -
+	if err := pool.addRemoteSync(pricedTransaction(0, 100000, big.NewInt(750000000), keys[1])); err != nil { // +K1:0 => -K1:1 => Pend K0:0, K0:1, K1:0, K2:0; Que -
 		t.Fatalf("failed to add well priced transaction: %v", err)
 	}
-	if err := pool.addRemote(pricedTransaction(2, 100000, big.NewInt(1000000000), keys[1])); err != nil { // +K1:2 => -K0:0 => Pend K1:0, K2:0; Que K0:1 K1:2
+	if err := pool.addRemoteSync(pricedTransaction(2, 100000, big.NewInt(1000000000), keys[1])); err != nil { // +K1:2 => -K0:0 => Pend K1:0, K2:0; Que K0:1 K1:2
 		t.Fatalf("failed to add well priced transaction: %v", err)
 	}
 	if err := pool.addRemote(pricedTransaction(3, 100000, big.NewInt(1250000000), keys[1])); err != nil { // +K1:3 => -K0:1 => Pend K1:0, K2:0; Que K1:2 K1:3
@@ -2014,11 +2014,11 @@ func TestUnderpricingDynamicFee(t *testing.T) {
 	}
 
 	tx = pricedTransaction(1, 100000, big.NewInt(270000000), keys[1])
-	if err := pool.addRemote(tx); err != nil { // +K1:2, -K0:1 => Pend K0:0 K1:0, K2:0; Que K1:2
+	if err := pool.addRemoteSync(tx); err != nil { // +K1:2, -K0:1 => Pend K0:0 K1:0, K2:0; Que K1:2
 		t.Fatalf("failed to add well priced transaction: %v", err)
 	}
 	tx = dynamicFeeTx(2, 100000, big.NewInt(280000000), big.NewInt(250000000), keys[1])
-	if err := pool.addRemote(tx); err != nil { // +K1:3, -K1:0 => Pend K0:0 K2:0; Que K1:2 K1:3
+	if err := pool.addRemoteSync(tx); err != nil { // +K1:3, -K1:0 => Pend K0:0 K2:0; Que K1:2 K1:3
 		t.Fatalf("failed to add well priced transaction: %v", err)
 	}
 	pending, queued = pool.Stats()