diff --git a/common/compiler/solidity_test.go b/common/compiler/solidity_test.go
index 8255e8e2d..3303bc15a 100644
--- a/common/compiler/solidity_test.go
+++ b/common/compiler/solidity_test.go
@@ -20,6 +20,7 @@ import (
 	"encoding/json"
 	"io/ioutil"
 	"os"
+	"path"
 	"testing"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -94,7 +95,7 @@ func TestSaveInfo(t *testing.T) {
 	if err != nil {
 		t.Errorf("%v", err)
 	}
-	filename := "/tmp/solctest.info.json"
+	filename := path.Join(os.TempDir(), "solctest.info.json")
 	os.Remove(filename)
 	cinfohash, err := SaveInfo(&cinfo, filename)
 	if err != nil {
@@ -110,4 +111,4 @@ func TestSaveInfo(t *testing.T) {
 	if cinfohash != infohash {
 		t.Errorf("content hash for info is incorrect. expected %v, got %v", infohash.Hex(), cinfohash.Hex())
 	}
-}
+}
\ No newline at end of file
diff --git a/common/docserver/docserver.go b/common/docserver/docserver.go
index fa120fb38..dac542ba7 100644
--- a/common/docserver/docserver.go
+++ b/common/docserver/docserver.go
@@ -38,7 +38,6 @@ func New(docRoot string) (self *DocServer) {
 		DocRoot:   docRoot,
 		schemes:   []string{"file"},
 	}
-	self.DocRoot = "/tmp/"
 	self.RegisterProtocol("file", http.NewFileTransport(http.Dir(self.DocRoot)))
 	return
 }
diff --git a/common/docserver/docserver_test.go b/common/docserver/docserver_test.go
index 92e39d167..632603add 100644
--- a/common/docserver/docserver_test.go
+++ b/common/docserver/docserver_test.go
@@ -20,6 +20,7 @@ import (
 	"io/ioutil"
 	"net/http"
 	"os"
+	"path"
 	"testing"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -27,12 +28,18 @@ import (
 )
 
 func TestGetAuthContent(t *testing.T) {
-	text := "test"
-	hash := common.Hash{}
-	copy(hash[:], crypto.Sha3([]byte(text)))
-	ioutil.WriteFile("/tmp/test.content", []byte(text), os.ModePerm)
+	dir, err := ioutil.TempDir("", "docserver-test")
+	if err != nil {
+		t.Fatal("cannot create temporary directory:", err)
+	}
+	defer os.RemoveAll(dir)
+	ds := New(dir)
 
-	ds := New("/tmp/")
+	text := "test"
+	hash := crypto.Sha3Hash([]byte(text))
+	if err := ioutil.WriteFile(path.Join(dir, "test.content"), []byte(text), os.ModePerm); err != nil {
+		t.Fatal("could not write test file", err)
+	}
 	content, err := ds.GetAuthContent("file:///test.content", hash)
 	if err != nil {
 		t.Errorf("no error expected, got %v", err)
@@ -67,4 +74,4 @@ func TestRegisterScheme(t *testing.T) {
 	if !ds.HasScheme("scheme") {
 		t.Errorf("expected scheme to be registered")
 	}
-}
+}
\ No newline at end of file
diff --git a/jsre/jsre_test.go b/jsre/jsre_test.go
index ad210932a..93dc7d1f9 100644
--- a/jsre/jsre_test.go
+++ b/jsre/jsre_test.go
@@ -19,6 +19,7 @@ package jsre
 import (
 	"io/ioutil"
 	"os"
+	"path"
 	"testing"
 	"time"
 
@@ -40,10 +41,23 @@ func (no *testNativeObjectBinding) TestMethod(call otto.FunctionCall) otto.Value
 	return v
 }
 
-func TestExec(t *testing.T) {
-	jsre := New("/tmp")
+func newWithTestJS(t *testing.T, testjs string) (*JSRE, string) {
+	dir, err := ioutil.TempDir("", "jsre-test")
+	if err != nil {
+		t.Fatal("cannot create temporary directory:", err)
+	}
+	if testjs != "" {
+		if err := ioutil.WriteFile(path.Join(dir, "test.js"), []byte(testjs), os.ModePerm); err != nil {
+			t.Fatal("cannot create test.js:", err)
+		}
+	}
+	return New(dir), dir
+}
+
+func TestExec(t *testing.T) {
+	jsre, dir := newWithTestJS(t, `msg = "testMsg"`)
+	defer os.RemoveAll(dir)
 
-	ioutil.WriteFile("/tmp/test.js", []byte(`msg = "testMsg"`), os.ModePerm)
 	err := jsre.Exec("test.js")
 	if err != nil {
 		t.Errorf("expected no error, got %v", err)
@@ -64,9 +78,9 @@ func TestExec(t *testing.T) {
 }
 
 func TestNatto(t *testing.T) {
-	jsre := New("/tmp")
+	jsre, dir := newWithTestJS(t, `setTimeout(function(){msg = "testMsg"}, 1);`)
+	defer os.RemoveAll(dir)
 
-	ioutil.WriteFile("/tmp/test.js", []byte(`setTimeout(function(){msg = "testMsg"}, 1);`), os.ModePerm)
 	err := jsre.Exec("test.js")
 	if err != nil {
 		t.Errorf("expected no error, got %v", err)
@@ -88,7 +102,7 @@ func TestNatto(t *testing.T) {
 }
 
 func TestBind(t *testing.T) {
-	jsre := New("/tmp")
+	jsre := New("")
 
 	jsre.Bind("no", &testNativeObjectBinding{})
 
@@ -105,9 +119,9 @@ func TestBind(t *testing.T) {
 }
 
 func TestLoadScript(t *testing.T) {
-	jsre := New("/tmp")
+	jsre, dir := newWithTestJS(t, `msg = "testMsg"`)
+	defer os.RemoveAll(dir)
 
-	ioutil.WriteFile("/tmp/test.js", []byte(`msg = "testMsg"`), os.ModePerm)
 	_, err := jsre.Run(`loadScript("test.js")`)
 	if err != nil {
 		t.Errorf("expected no error, got %v", err)
@@ -125,4 +139,4 @@ func TestLoadScript(t *testing.T) {
 		t.Errorf("expected '%v', got '%v'", exp, got)
 	}
 	jsre.Stop(false)
-}
+}
\ No newline at end of file