diff --git a/internal/ethapi/api.go b/internal/ethapi/api.go
index ccc0c3c7a7..bb3de426fb 100644
--- a/internal/ethapi/api.go
+++ b/internal/ethapi/api.go
@@ -1691,8 +1691,8 @@ func (api *TransactionAPI) SendRawTransactionSync(ctx context.Context, input hex
 	}
 
 	// Subscribe to receipt stream (filtered to this tx)
-	rcpts := make(chan []*ReceiptWithTx, 1)
-	sub := api.b.SubscribeTransactionReceipts([]common.Hash{hash}, rcpts)
+	receipts := make(chan []*ReceiptWithTx, 1)
+	sub := api.b.SubscribeTransactionReceipts([]common.Hash{hash}, receipts)
 	defer sub.Unsubscribe()
 
 	subErrCh := sub.Err()
@@ -1717,7 +1717,7 @@ func (api *TransactionAPI) SendRawTransactionSync(ctx context.Context, input hex
 			}
 			return nil, err
 
-		case batch := <-rcpts:
+		case batch := <-receipts:
 			for _, rwt := range batch {
 				if rwt == nil || rwt.Receipt == nil || rwt.Receipt.TxHash != hash {
 					continue
diff --git a/internal/ethapi/api_test.go b/internal/ethapi/api_test.go
index 94d9982a83..c6da3669a8 100644
--- a/internal/ethapi/api_test.go
+++ b/internal/ethapi/api_test.go
@@ -443,7 +443,6 @@ type testBackend struct {
 
 	// test-only fields for SendRawTransactionSync
 	receiptsFeed *event.Feed
-	headFeed     *event.Feed // keep if other tests use it; otherwise remove
 	autoMine     bool
 
 	sentTx     *types.Transaction
@@ -481,7 +480,6 @@ func newTestBackend(t *testing.T, n int, gspec *core.Genesis, engine consensus.E
 		acc:             acc,
 		pending:         blocks[n],
 		pendingReceipts: receipts[n],
-		headFeed:        new(event.Feed),
 		receiptsFeed:    new(event.Feed),
 	}
 	return backend
@@ -607,7 +605,7 @@ func (b testBackend) SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscr
 	panic("implement me")
 }
 func (b testBackend) SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription {
-	return b.headFeed.Subscribe(ch)
+	panic("implement me")
 }
 func (b *testBackend) SendTx(ctx context.Context, tx *types.Transaction) error {
 	b.sentTx = tx