diff --git a/client_test.go b/client_test.go
index 65182d58..03851ae8 100644
--- a/client_test.go
+++ b/client_test.go
@@ -808,7 +808,7 @@ func TestBadPeerIpPort(t *testing.T) {
 			true,
 			func(cl *Client) {
 				cl.ipBlockList = iplist.New([]iplist.Range{
-					iplist.Range{First: net.ParseIP("10.0.0.1"), Last: net.ParseIP("10.0.0.255")},
+					{First: net.ParseIP("10.0.0.1"), Last: net.ParseIP("10.0.0.255")},
 				})
 			},
 		},
@@ -845,5 +845,4 @@ func TestBadPeerIpPort(t *testing.T) {
 			require.Equal(t, tc.expectedOk, cl.badPeerIPPort(tc.ip, tc.port))
 		})
 	}
-
 }
diff --git a/cmd/torrent/download.go b/cmd/torrent/download.go
index 1f2fbc89..0ec4b990 100644
--- a/cmd/torrent/download.go
+++ b/cmd/torrent/download.go
@@ -221,7 +221,7 @@ func waitForPieces(ctx context.Context, t *torrent.Torrent, beginIndex, endIndex
 }
 
 func writeMetainfoToFile(mi metainfo.MetaInfo, path string) error {
-	f, err := os.OpenFile(path, os.O_CREATE|os.O_EXCL|os.O_WRONLY, 0640)
+	f, err := os.OpenFile(path, os.O_CREATE|os.O_EXCL|os.O_WRONLY, 0o640)
 	if err != nil {
 		return err
 	}
diff --git a/metainfo/piece-length.go b/metainfo/piece-length.go
index 9835dc5b..183b4d86 100644
--- a/metainfo/piece-length.go
+++ b/metainfo/piece-length.go
@@ -31,9 +31,11 @@
 package metainfo
 
 // For more context on why these numbers, see http://wiki.vuze.com/w/Torrent_Piece_Size
-const minimumPieceLength = 16 * 1024
-const targetPieceCountLog2 = 10
-const targetPieceCountMin = 1 << targetPieceCountLog2
+const (
+	minimumPieceLength   = 16 * 1024
+	targetPieceCountLog2 = 10
+	targetPieceCountMin  = 1 << targetPieceCountLog2
+)
 
 // Target piece count should be < targetPieceCountMax
 const targetPieceCountMax = targetPieceCountMin << 1
diff --git a/misc.go b/misc.go
index 99345fe7..7d3007ec 100644
--- a/misc.go
+++ b/misc.go
@@ -115,7 +115,8 @@ func connLessTrusted(l, r *Peer) bool {
 
 func connIsIpv6(nc interface {
 	LocalAddr() net.Addr
-}) bool {
+},
+) bool {
 	ra := nc.LocalAddr()
 	rip := addrIpOrNil(ra)
 	return rip.To4() == nil && rip.To16() != nil
diff --git a/request-strategy/order.go b/request-strategy/order.go
index b009a108..6c134be1 100644
--- a/request-strategy/order.go
+++ b/request-strategy/order.go
@@ -66,7 +66,7 @@ func GetRequestablePieces(
 		lastItem.Set(_i)
 
 		ih := _i.key.InfoHash
-		var t = input.Torrent(ih)
+		t := input.Torrent(ih)
 		pieceLength := t.PieceLength()
 		if storageLeft != nil {
 			if *storageLeft < pieceLength {
diff --git a/storage/mmap.go b/storage/mmap.go
index a9d922ac..00b2721c 100644
--- a/storage/mmap.go
+++ b/storage/mmap.go
@@ -71,6 +71,7 @@ func (ts *mmapTorrentStorage) Close() error {
 	}
 	return nil
 }
+
 func (ts *mmapTorrentStorage) Flush() error {
 	errs := ts.span.Flush()
 	if len(errs) > 0 {
diff --git a/tracker/http/client.go b/tracker/http/client.go
index 1716b44c..c6b06fc1 100644
--- a/tracker/http/client.go
+++ b/tracker/http/client.go
@@ -13,8 +13,10 @@ type Client struct {
 	url_ *url.URL
 }
 
-type ProxyFunc func(*http.Request) (*url.URL, error)
-type DialContextFunc func(ctx context.Context, network, addr string) (net.Conn, error)
+type (
+	ProxyFunc       func(*http.Request) (*url.URL, error)
+	DialContextFunc func(ctx context.Context, network, addr string) (net.Conn, error)
+)
 
 type NewClientOpts struct {
 	Proxy          ProxyFunc
diff --git a/webtorrent/tracker-client.go b/webtorrent/tracker-client.go
index 60cd8527..97b9b621 100644
--- a/webtorrent/tracker-client.go
+++ b/webtorrent/tracker-client.go
@@ -233,14 +233,16 @@ func (tc *TrackerClient) Announce(event tracker.AnnounceEvent, infoHash [20]byte
 		return fmt.Errorf("creating offer: %w", err)
 	}
 
-	err = tc.announce(event, infoHash, []outboundOffer{{
-		offerId: offerIDBinary,
-		outboundOfferValue: outboundOfferValue{
-			originalOffer:  offer,
-			peerConnection: pc,
-			infoHash:       infoHash,
-			dataChannel:    dc,
-		}},
+	err = tc.announce(event, infoHash, []outboundOffer{
+		{
+			offerId: offerIDBinary,
+			outboundOfferValue: outboundOfferValue{
+				originalOffer:  offer,
+				peerConnection: pc,
+				infoHash:       infoHash,
+				dataChannel:    dc,
+			},
+		},
 	})
 	if err != nil {
 		dc.Close()
diff --git a/webtorrent/transport_test.go b/webtorrent/transport_test.go
index b993487d..c17328e8 100644
--- a/webtorrent/transport_test.go
+++ b/webtorrent/transport_test.go
@@ -1,10 +1,11 @@
 package webtorrent
 
 import (
+	"testing"
+
 	"github.com/anacrolix/log"
 	qt "github.com/frankban/quicktest"
 	"github.com/pion/webrtc/v3"
-	"testing"
 )
 
 func TestClosingPeerConnectionDoesNotCloseUnopenedDataChannel(t *testing.T) {