diff --git a/cmd/e2e-test/clickhouse.go b/cmd/e2e-test/clickhouse.go
index a234a8d8..04574722 100644
--- a/cmd/e2e-test/clickhouse.go
+++ b/cmd/e2e-test/clickhouse.go
@@ -32,7 +32,6 @@ type Clickhouse struct {
 	url          string `toml:"-"`
 	tlsurl       string `toml:"-"`
 	container    string `toml:"-"`
-	client       *http.Client
 }
 
 func (c *Clickhouse) CheckConfig(rootDir string) error {
@@ -75,7 +74,6 @@ func (c *Clickhouse) Start() (string, error) {
 		return "", err
 	}
 	port := strings.Split(c.httpAddress, ":")[1]
-	c.client = http.DefaultClient
 	c.url = "http://" + c.httpAddress
 
 	c.container = ClickhouseContainerName
@@ -155,11 +153,8 @@ func (c *Clickhouse) URL() string {
 	return c.url
 }
 
-func (c *Clickhouse) TLSURL() (string, bool) {
-	if c.tlsurl == "" {
-		return "", false
-	}
-	return c.tlsurl, true
+func (c *Clickhouse) TLSURL() string {
+	return c.tlsurl
 }
 
 func (c *Clickhouse) Container() string {
@@ -177,7 +172,7 @@ func (c *Clickhouse) Query(sql string) (string, error) {
 		return "", err
 	}
 
-	resp, err := c.client.Do(request)
+	resp, err := http.DefaultClient.Do(request)
 	if err != nil {
 		return "", err
 	}
@@ -191,15 +186,11 @@ func (c *Clickhouse) Query(sql string) (string, error) {
 	return string(msg), nil
 }
 
-func (c *Clickhouse) SetClient(client *http.Client) {
-	c.client = client
-}
-
 func (c *Clickhouse) Alive() bool {
 	if len(c.container) == 0 {
 		return false
 	}
-	req, err := http.DefaultClient.Get("http://" + c.httpAddress)
+	req, err := http.DefaultClient.Get(c.URL())
 	if err != nil {
 		return false
 	}
diff --git a/cmd/e2e-test/e2etesting.go b/cmd/e2e-test/e2etesting.go
index fa4ab04b..04e545c5 100644
--- a/cmd/e2e-test/e2etesting.go
+++ b/cmd/e2e-test/e2etesting.go
@@ -3,7 +3,6 @@ package main
 import (
 	"bufio"
 	"bytes"
-	"errors"
 	"fmt"
 	"io/ioutil"
 	"net"
@@ -174,16 +173,17 @@ func testCarbonClickhouse(
 		ConfigTpl: testDir + "/" + test.ConfigTpl,
 		TestDir:   absoluteDir,
 	}
+	var (
+		tlsurl string
+	)
 	if test.HasTLSSettings() {
-		url, exists := clickhouse.TLSURL()
-		if exists {
-			err = cch.Start(clickhouse.URL(), url)
-		} else {
-			err = errors.New("test has tls settings but there is no clickhouse tls url")
+		tlsurl = clickhouse.TLSURL()
+		if tlsurl == "" {
+			logger.Error("test has tls settings but there is no clickhouse tls url")
+			return false
 		}
-	} else {
-		err = cch.Start(clickhouse.URL(), "")
 	}
+	err = cch.Start(clickhouse.URL(), tlsurl)
 	if err != nil {
 		logger.Error("starting carbon-clickhouse",
 			zap.String("config", test.name),
diff --git a/cmd/e2e-test/main.go b/cmd/e2e-test/main.go
index 1e3db251..1378561c 100644
--- a/cmd/e2e-test/main.go
+++ b/cmd/e2e-test/main.go
@@ -4,15 +4,12 @@ import (
 	"flag"
 	"io/ioutil"
 	"log"
-	"net/http"
 	"os"
 	"path"
 	"runtime"
 	"time"
 
 	"go.uber.org/zap"
-
-	helpercfg "github.com/lomik/carbon-clickhouse/helper/config"
 )
 
 type MainConfig struct {
@@ -136,8 +133,7 @@ func main() {
 
 	failed := 0
 	total := 0
-	for chVersion := range chVersions {
-		ch := chVersions[chVersion]
+	for chVersion, ch := range chVersions {
 		if exist, out := containerExist(ClickhouseContainerName); exist {
 			logger.Error("clickhouse already exist",
 				zap.String("container", ClickhouseContainerName),
@@ -170,23 +166,6 @@ func main() {
 				total++
 			} else {
 				for _, config := range configs {
-					testDir := config.Test.dir
-					client := &http.Client{Timeout: time.Minute}
-					if ch.TLSEnabled && config.Test.HasTLSSettings() {
-						conf, err := helpercfg.ParseClientTLSConfig(&helpercfg.TLS{
-							Certificates: []helpercfg.CertificatePair{{testDir + "/client.key", testDir + "/client.crt"}},
-							CACertFiles:  []string{testDir + "/ca.crt"},
-						})
-						if err != nil {
-							logger.Error("failed to parse tls")
-							failed += len(config.Test.InputTypes)
-						}
-						client.Transport = &http.Transport{
-							TLSClientConfig:   conf,
-							DisableKeepAlives: true,
-						}
-					}
-					ch.SetClient(client)
 					if config.Test.chVersions[chVersion] {
 						testFailed, testTotal := runTest(config, &ch, rootDir, *verbose, *breakOnError, logger)
 						failed += testFailed