diff --git a/common/natspec/natspec.go b/common/natspec/natspec.go
index 90dfa43202..ed16d62a02 100644
--- a/common/natspec/natspec.go
+++ b/common/natspec/natspec.go
@@ -20,7 +20,6 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	"github.com/robertkrimen/otto"
 	"strings"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -28,6 +27,7 @@ import (
 	"github.com/ethereum/go-ethereum/common/registrar"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/xeth"
+	"github.com/robertkrimen/otto"
 )
 
 type abi2method map[[8]byte]*method
diff --git a/core/vm/vm_jit.go b/core/vm/vm_jit.go
index 25e59eaf4c..34f45b5f41 100644
--- a/core/vm/vm_jit.go
+++ b/core/vm/vm_jit.go
@@ -34,10 +34,12 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
-	"github.com/ethereum/go-ethereum/core/state"
-	"github.com/ethereum/go-ethereum/crypto"
 	"math/big"
 	"unsafe"
+
+	"github.com/ethereum/go-ethereum/core/state"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/params"
 )
 
 type JitVm struct {
diff --git a/crypto/randentropy/rand_entropy.go b/crypto/randentropy/rand_entropy.go
index e7f765af6d..4ac12460b1 100644
--- a/crypto/randentropy/rand_entropy.go
+++ b/crypto/randentropy/rand_entropy.go
@@ -18,8 +18,9 @@ package randentropy
 
 import (
 	crand "crypto/rand"
-	"github.com/ethereum/go-ethereum/crypto/sha3"
 	"io"
+
+	"github.com/ethereum/go-ethereum/crypto/sha3"
 )
 
 var Reader io.Reader = &randEntropy{}