diff --git a/internal/buildtarget/doc.go b/internal/buildtarget/doc.go
new file mode 100644
index 000000000..828f8ecf5
--- /dev/null
+++ b/internal/buildtarget/doc.go
@@ -0,0 +1,3 @@
+// Package buildtarget provides the utilities targeting build matrixes.
+// TODO: probably this package should be removed and used only inside the build package
+package buildtarget
diff --git a/internal/ext/ext.go b/internal/ext/ext.go
index a3528368a..583d26743 100644
--- a/internal/ext/ext.go
+++ b/internal/ext/ext.go
@@ -3,7 +3,7 @@ package ext
 import "github.com/goreleaser/goreleaser/internal/buildtarget"
 
 // For returns the binary extension for the given platform
-func For(target buildtarget.Target) (ext string) {
+func For(target buildtarget.Target) string {
 	if target.OS == "windows" {
 		return ".exe"
 	}
diff --git a/pipeline/checksums/checksums_test.go b/pipeline/checksums/checksums_test.go
index e7965576c..cbb5aa6bb 100644
--- a/pipeline/checksums/checksums_test.go
+++ b/pipeline/checksums/checksums_test.go
@@ -5,10 +5,9 @@ import (
 	"path/filepath"
 	"testing"
 
-	"github.com/goreleaser/goreleaser/internal/artifact"
-
 	"github.com/goreleaser/goreleaser/config"
 	"github.com/goreleaser/goreleaser/context"
+	"github.com/goreleaser/goreleaser/internal/artifact"
 	"github.com/stretchr/testify/assert"
 )
 
diff --git a/pipeline/release/body_test.go b/pipeline/release/body_test.go
index 053e8f94b..d5edf043e 100644
--- a/pipeline/release/body_test.go
+++ b/pipeline/release/body_test.go
@@ -5,10 +5,9 @@ import (
 	"os"
 	"testing"
 
-	"github.com/goreleaser/goreleaser/internal/artifact"
-
 	"github.com/goreleaser/goreleaser/config"
 	"github.com/goreleaser/goreleaser/context"
+	"github.com/goreleaser/goreleaser/internal/artifact"
 	"github.com/stretchr/testify/assert"
 )
 
diff --git a/pipeline/release/release.go b/pipeline/release/release.go
index 18d8f8df7..5ce1fe025 100644
--- a/pipeline/release/release.go
+++ b/pipeline/release/release.go
@@ -3,13 +3,13 @@ package release
 import (
 	"os"
 
-	"github.com/goreleaser/goreleaser/internal/artifact"
-
 	"github.com/apex/log"
+	"golang.org/x/sync/errgroup"
+
 	"github.com/goreleaser/goreleaser/context"
+	"github.com/goreleaser/goreleaser/internal/artifact"
 	"github.com/goreleaser/goreleaser/internal/client"
 	"github.com/goreleaser/goreleaser/pipeline"
-	"golang.org/x/sync/errgroup"
 )
 
 // Pipe for github release
diff --git a/pipeline/sign/sign_test.go b/pipeline/sign/sign_test.go
index bbff11725..11df3f75b 100644
--- a/pipeline/sign/sign_test.go
+++ b/pipeline/sign/sign_test.go
@@ -9,10 +9,9 @@ import (
 	"sort"
 	"testing"
 
-	"github.com/goreleaser/goreleaser/internal/artifact"
-
 	"github.com/goreleaser/goreleaser/config"
 	"github.com/goreleaser/goreleaser/context"
+	"github.com/goreleaser/goreleaser/internal/artifact"
 
 	"github.com/stretchr/testify/assert"
 )