diff --git a/pew_test.go b/pew_test.go
deleted file mode 100644
index d973820..0000000
--- a/pew_test.go
+++ /dev/null
@@ -1,44 +0,0 @@
-// Copyright 2018 Mikhail Klementev. All rights reserved.
-// Use of this source code is governed by a AGPLv3 license
-// (or later) that can be found in the LICENSE file.
-
-package main
-
-import (
-	"fmt"
-	"io/ioutil"
-	"os"
-	"strings"
-	"testing"
-	"time"
-)
-
-func TestDockerRun(t *testing.T) {
-	tmp, err := ioutil.TempDir("/tmp/", "out-of-tree_test_")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer os.RemoveAll(tmp)
-
-	start := time.Now()
-
-	timeout := time.Second
-
-	_, err = dockerRun(timeout, "ubuntu", tmp, "sleep 5s")
-	if err == nil {
-		t.Fatal("docker is not killed by timeout")
-	}
-	if time.Since(start) > 3*time.Second {
-		t.Fatal(fmt.Sprintf("timeout failed (%v instead of %v)",
-			time.Since(start), time.Second))
-	}
-
-	output, err := dockerRun(time.Minute, "ubuntu", tmp, "echo hello")
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if !strings.Contains(output, "hello") {
-		t.Fatal("wrong output (" + output + ")")
-	}
-}