diff --git a/accounts/abi/bind/backends/simulated_test.go b/accounts/abi/bind/backends/simulated_test.go
index 01683e412a0e1a7fd7d3b59a7065d44eb2c5a76c..4eff446e6a8a314c980c83399df9c2935e1ceed3 100644
--- a/accounts/abi/bind/backends/simulated_test.go
+++ b/accounts/abi/bind/backends/simulated_test.go
@@ -169,7 +169,7 @@ func TestNewSimulatedBackend_AdjustTimeFail(t *testing.T) {
 	if err != nil {
 		t.Errorf("could not sign tx: %v", err)
 	}
-	sim.SendTransaction(context.Background(), signedTx)
+	sim.SendTransaction(context.Background(), signedTx) //nolint:errcheck
 	// AdjustTime should fail on non-empty block
 	if err := sim.AdjustTime(time.Second); err == nil {
 		t.Error("Expected adjust time to error on non-empty block")
@@ -192,7 +192,7 @@ func TestNewSimulatedBackend_AdjustTimeFail(t *testing.T) {
 	if err != nil {
 		t.Errorf("could not sign tx: %v", err)
 	}
-	sim.SendTransaction(context.Background(), signedTx2)
+	sim.SendTransaction(context.Background(), signedTx2) //nolint:errcheck
 	sim.Commit()
 	newTime = sim.pendingBlock.Time()
 	if newTime-prevTime >= uint64(time.Minute.Seconds()) {
diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go
index 6a46a329d25b3e1e88a5aa02a09e0b3947a56a1c..496bd81f54648e574a1a771a21a0f776e97a28cf 100644
--- a/eth/downloader/downloader.go
+++ b/eth/downloader/downloader.go
@@ -252,10 +252,10 @@ func New(checkpoint uint64, stateDB *ethdb.ObjectDatabase, mux *event.TypeMux, c
 		mode:          uint32(StagedSync),
 		stateDB:       stateDB,
 		mux:           mux,
-		queue:          newQueue(blockCacheMaxItems, blockCacheInitialItems),
-		peers:          newPeerSet(),
-		rttEstimate:    uint64(rttMaxEstimate),
-		rttConfidence:  uint64(1000000),
+		queue:         newQueue(blockCacheMaxItems, blockCacheInitialItems),
+		peers:         newPeerSet(),
+		rttEstimate:   uint64(rttMaxEstimate),
+		rttConfidence: uint64(1000000),
 		chainConfig:   chainConfig,
 		blockchain:    chain,
 		lightchain:    lightchain,
diff --git a/eth/tracers/tracers_test.go b/eth/tracers/tracers_test.go
index bcd290975e3273cbeb482d4485b02a4771e34e25..9e294f511c4c8ffdb87f1bf4f9ff6d2341ccbfca 100644
--- a/eth/tracers/tracers_test.go
+++ b/eth/tracers/tracers_test.go
@@ -302,12 +302,12 @@ func jsonEqual(x, y interface{}) bool {
 	xTrace := new(callTrace)
 	yTrace := new(callTrace)
 	if xj, err := json.Marshal(x); err == nil {
-		json.Unmarshal(xj, xTrace)
+		json.Unmarshal(xj, xTrace) //nolint: errcheck
 	} else {
 		return false
 	}
 	if yj, err := json.Marshal(y); err == nil {
-		json.Unmarshal(yj, yTrace)
+		json.Unmarshal(yj, yTrace) //nolint: errcheck
 	} else {
 		return false
 	}