diff --git a/tools/src/main/java/org/thingsboard/client/tools/MqttSslClient.java b/tools/src/main/java/org/thingsboard/client/tools/MqttSslClient.java
index 339f26ded8..dd27e44a1d 100644
--- a/tools/src/main/java/org/thingsboard/client/tools/MqttSslClient.java
+++ b/tools/src/main/java/org/thingsboard/client/tools/MqttSslClient.java
@@ -50,86 +50,38 @@ public class MqttSslClient {
             File ksFile = new File(ksUrl.toURI());
             URL tsUrl = Resources.getResource(KEY_STORE_FILE);
             File tsFile = new File(tsUrl.toURI());
-            char[] ksPwd = setKeyPassword();
 
-            KeyStore trustStore = setKeyStore(tsFile, ksPwd);
+            TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
 
-            TrustManagerFactory tmf = setTrustManagerFactory(trustStore);
+            KeyStore trustStore = KeyStore.getInstance(JKS);
+            char[] ksPwd = new char[]{0x63, 0x6C, 0x69, 0x65, 0x6E, 0x74, 0x5F, 0x6B, 0x73, 0x5F, 0x70, 0x61, 0x73, 0x73, 0x77, 0x6F, 0x72, 0x64};
+            trustStore.load(new FileInputStream(tsFile), ksPwd);
+            tmf.init(trustStore);
+            KeyStore ks = KeyStore.getInstance(JKS);
 
-            KeyStore ks = setKeyStore2(ksFile, ksPwd);
+            ks.load(new FileInputStream(ksFile), ksPwd);
+            KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
+            char[] clientPwd = new char[]{0x63, 0x6C, 0x69, 0x65, 0x6E, 0x74, 0x5F, 0x6B, 0x65, 0x79, 0x5F, 0x70, 0x61, 0x73, 0x73, 0x77, 0x6F, 0x72, 0x64};
+            kmf.init(ks, clientPwd);
 
-            KeyManagerFactory kmf = setKeyManagerFactory(ks);
-
-            SSLContext sslContext = setSSLContext(kmf, tmf);
-
-            MqttConnectOptions mqttConnectOptions = setMqttConnectOptions(sslContext);
-
-            MqttAsyncClient mqttAsyncClient = setMqttAsyncClient(mqttConnectOptions);
-
-            setMessage(mqttAsyncClient, "v1/devices/me/telemetry", "{\"key1\":\"value1\", \"key2\":true, \"key3\": 3.0, \"key4\": 4}");
+            KeyManager[] km = kmf.getKeyManagers();
+            TrustManager[] tm = tmf.getTrustManagers();
+            SSLContext sslContext = SSLContext.getInstance(TLS);
+            sslContext.init(km, tm, null);
 
+            MqttConnectOptions options = new MqttConnectOptions();
+            options.setSocketFactory(sslContext.getSocketFactory());
+            MqttAsyncClient client = new MqttAsyncClient(MQTT_URL, CLIENT_ID);
+            client.connect(options);
+            Thread.sleep(3000);
+            MqttMessage message = new MqttMessage();
+            message.setPayload("{\"key1\":\"value1\", \"key2\":true, \"key3\": 3.0, \"key4\": 4}".getBytes());
+            client.publish("v1/devices/me/telemetry", message);
+            client.disconnect();
+            log.info("Disconnected");
+            System.exit(0);
         } catch (Exception e) {
             log.error("Unexpected exception occurred in MqttSslClient", e);
         }
     }
-
-    private static char[] setKeyPassword(){
-        return new char[]{0x63, 0x6C, 0x69, 0x65, 0x6E, 0x74, 0x5F, 0x6B, 0x73, 0x5F, 0x70, 0x61, 0x73, 0x73, 0x77, 0x6F, 0x72, 0x64};
-    }
-
-    private static KeyStore setKeyStore(File tsFile, char[] ksPwd) throws Exception{
-        KeyStore trustStore = KeyStore.getInstance(JKS);
-        trustStore.load(new FileInputStream(tsFile), ksPwd);
-        return trustStore;
-    }
-
-    private static TrustManagerFactory setTrustManagerFactory(KeyStore trustStore) throws Exception {
-        TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
-        tmf.init(trustStore);
-        return tmf;
-    }
-
-    private static KeyStore setKeyStore2(File ksFile, char[] ksPwd)throws Exception{
-        KeyStore ks = KeyStore.getInstance(JKS);
-        ks.load(new FileInputStream(ksFile), ksPwd);
-        return ks;
-    }
-
-    private static KeyManagerFactory setKeyManagerFactory(KeyStore ks) throws Exception {
-        KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
-        char[] clientPwd = new char[]{0x63, 0x6C, 0x69, 0x65, 0x6E, 0x74, 0x5F, 0x6B, 0x65, 0x79, 0x5F, 0x70, 0x61, 0x73, 0x73, 0x77, 0x6F, 0x72, 0x64};
-        kmf.init(ks, clientPwd);
-        return kmf;
-    }
-
-    private static SSLContext setSSLContext(KeyManagerFactory kmf, TrustManagerFactory tmf) throws Exception {
-        KeyManager[] km = kmf.getKeyManagers();
-        TrustManager[] tm = tmf.getTrustManagers();
-        SSLContext sslContext = SSLContext.getInstance(TLS);
-        sslContext.init(km, tm, null);
-        return sslContext;
-    }
-
-    private static MqttConnectOptions setMqttConnectOptions(SSLContext sslContext){
-        MqttConnectOptions options = new MqttConnectOptions();
-        options.setSocketFactory(sslContext.getSocketFactory());
-        return options;
-    }
-
-    private static MqttAsyncClient setMqttAsyncClient(MqttConnectOptions options) throws Exception{
-        MqttAsyncClient client = new MqttAsyncClient(MQTT_URL, CLIENT_ID);
-        client.connect(options);
-        Thread.sleep(3000);
-        return client;
-    }
-
-    private static void setMessage(MqttAsyncClient client, String topic, String payload) throws Exception {
-        MqttMessage message = new MqttMessage();
-        message.setPayload(payload.getBytes());
-        client.publish(topic, message);
-        client.disconnect();
-        log.info("Disconnected");
-        System.exit(0);
-    }
-
 }
\ No newline at end of file