diff --git a/config/param.go b/config/param.go
index e6f0ce4..30dd036 100644
--- a/config/param.go
+++ b/config/param.go
@@ -2,11 +2,6 @@ package config
 
 // defaults
 var params = []*Param{
-	&Param{
-		Key:   "dockerHost",
-		Val:   getEnv("DOCKER_HOST", "unix:///var/run/docker.sock"),
-		Label: "Docker API URL",
-	},
 	&Param{
 		Key:   "filterStr",
 		Val:   "",
diff --git a/dockersource.go b/dockersource.go
index a9c267b..342667e 100644
--- a/dockersource.go
+++ b/dockersource.go
@@ -4,7 +4,6 @@ import (
 	"sort"
 	"strings"
 
-	"github.com/bcicen/ctop/config"
 	"github.com/bcicen/ctop/metrics"
 	"github.com/fsouza/go-dockerclient"
 )
@@ -22,7 +21,7 @@ type DockerContainerSource struct {
 
 func NewDockerContainerSource() *DockerContainerSource {
 	// init docker client
-	client, err := docker.NewClient(config.GetVal("dockerHost"))
+	client, err := docker.NewClientFromEnv()
 	if err != nil {
 		panic(err)
 	}