diff --git a/crypto/crypto.go b/crypto/crypto.go
index 858b7a72a2..15aa960681 100644
--- a/crypto/crypto.go
+++ b/crypto/crypto.go
@@ -350,7 +350,6 @@ func zeroBytes(bytes []byte) {
 	}
 }
 
-
 // for input read: https://github.com/ethereum/EIPs/issues/55
 // modelled after the JavaScript function toChecksumAddress()
 // Convert address into checksummed address
@@ -374,4 +373,3 @@ func ChecksumAddress(a common.Address) string {
 func ChecksumAddressHex(s string) string {
 	return ChecksumAddress(common.HexToAddress(strings.Replace(strings.ToLower(s), "0x", "", 1)))
 }
-
diff --git a/crypto/crypto_test.go b/crypto/crypto_test.go
index 86aedbec0b..b8ef404945 100644
--- a/crypto/crypto_test.go
+++ b/crypto/crypto_test.go
@@ -24,9 +24,9 @@ import (
 	"io/ioutil"
 	"math/big"
 	"os"
+	"strings"
 	"testing"
 	"time"
-	"strings"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto/secp256k1"
@@ -249,7 +249,6 @@ func TestPythonIntegration(t *testing.T) {
 	fmt.Printf("msg: %x, privkey: %x sig: %x\n", msg1, k1, sig1)
 }
 
-
 func TestChecksumAddress(t *testing.T) {
 	// 4 groups of tests:
 	// All caps
@@ -386,4 +385,3 @@ func TestChecksumAddressHex(t *testing.T) {
 	}
 	fmt.Printf("Passed %d tests and failed %d tests out of %d.\n", passed, failed, passed+failed)
 }
-