diff --git a/conn/bind_std.go b/conn/bind_std.go
index fc05634..249f53d 100644
--- a/conn/bind_std.go
+++ b/conn/bind_std.go
@@ -213,10 +213,8 @@ func (s *StdNetBind) getMessages() *[]ipv6.Message {
 	return s.msgsPool.Get().(*[]ipv6.Message)
 }
 
-var (
-	// If compilation fails here these are no longer the same underlying type.
-	_ ipv6.Message = ipv4.Message{}
-)
+// If compilation fails here these are no longer the same underlying type.
+var _ ipv6.Message = ipv4.Message{}
 
 type batchReader interface {
 	ReadBatch([]ipv6.Message, int) (int, error)
diff --git a/conn/bind_windows.go b/conn/bind_windows.go
index d32ecd6..81a820b 100644
--- a/conn/bind_windows.go
+++ b/conn/bind_windows.go
@@ -15,9 +15,8 @@ import (
 	"sync/atomic"
 	"unsafe"
 
-	"golang.org/x/sys/windows"
-
 	"github.com/sagernet/wireguard-go/conn/winrio"
+	"golang.org/x/sys/windows"
 )
 
 const (
diff --git a/device/noise-protocol.go b/device/noise-protocol.go
index 50dcb60..6e67d04 100644
--- a/device/noise-protocol.go
+++ b/device/noise-protocol.go
@@ -12,12 +12,11 @@ import (
 	"sync"
 	"time"
 
+	"github.com/sagernet/wireguard-go/conn"
+	"github.com/sagernet/wireguard-go/tai64n"
 	"golang.org/x/crypto/blake2s"
 	"golang.org/x/crypto/chacha20poly1305"
 	"golang.org/x/crypto/poly1305"
-
-	"github.com/sagernet/wireguard-go/conn"
-	"github.com/sagernet/wireguard-go/tai64n"
 )
 
 type handshakeState int
diff --git a/device/receive.go b/device/receive.go
index 01baad8..6ab2680 100644
--- a/device/receive.go
+++ b/device/receive.go
@@ -411,7 +411,6 @@ func (device *Device) RoutineHandshake(id int) {
 			// derive keypair
 
 			err = peer.BeginSymmetricSession()
-
 			if err != nil {
 				device.log.Errorf("%v - Failed to derive keypair: %v", peer, err)
 				goto skip
diff --git a/device/sticky_linux.go b/device/sticky_linux.go
index 79ece63..b5b0e51 100644
--- a/device/sticky_linux.go
+++ b/device/sticky_linux.go
@@ -18,10 +18,9 @@ import (
 	"sync"
 	"unsafe"
 
-	"golang.org/x/sys/unix"
-
 	"github.com/sagernet/wireguard-go/conn"
 	"github.com/sagernet/wireguard-go/rwcancel"
+	"golang.org/x/sys/unix"
 )
 
 func (device *Device) startRouteListener(bind conn.Bind) (*rwcancel.RWCancel, error) {
diff --git a/ipc/uapi_linux.go b/ipc/uapi_linux.go
index 6a662d3..c14d5d0 100644
--- a/ipc/uapi_linux.go
+++ b/ipc/uapi_linux.go
@@ -84,7 +84,6 @@ func UAPIListen(name string, file *os.File) (net.Listener, error) {
 			unix.IN_DELETE|
 			unix.IN_DELETE_SELF,
 	)
-
 	if err != nil {
 		return nil, err
 	}
diff --git a/tun/errors.go b/tun/errors.go
index 75ae3a4..2c49fc7 100644
--- a/tun/errors.go
+++ b/tun/errors.go
@@ -4,9 +4,7 @@ import (
 	"errors"
 )
 
-var (
-	// ErrTooManySegments is returned by Device.Read() when segmentation
-	// overflows the length of supplied buffers. This error should not cause
-	// reads to cease.
-	ErrTooManySegments = errors.New("too many segments")
-)
+// ErrTooManySegments is returned by Device.Read() when segmentation
+// overflows the length of supplied buffers. This error should not cause
+// reads to cease.
+var ErrTooManySegments = errors.New("too many segments")
diff --git a/tun/tun_linux.go b/tun/tun_linux.go
index 4e27c1b..8f4aed1 100644
--- a/tun/tun_linux.go
+++ b/tun/tun_linux.go
@@ -506,9 +506,7 @@ func (tun *NativeTun) initFromFlags(name string) error {
 		return err
 	}
 	if e := sc.Control(func(fd uintptr) {
-		var (
-			ifr *unix.Ifreq
-		)
+		var ifr *unix.Ifreq
 		ifr, err = unix.NewIfreq(name)
 		if err != nil {
 			return