diff --git a/examples/WebSocketClientSockJsAndStomp/WebSocketClientSockJsAndStomp.ino b/examples/WebSocketClientSockJsAndStomp/WebSocketClientSockJsAndStomp.ino
index f5397db..078b547 100644
--- a/examples/WebSocketClientSockJsAndStomp/WebSocketClientSockJsAndStomp.ino
+++ b/examples/WebSocketClientSockJsAndStomp/WebSocketClientSockJsAndStomp.ino
@@ -1,12 +1,12 @@
 /*
- * WebSocketClientSockJsAndStomp.ino
- * 
- * Example for connecting and maintining a connection with a SockJS+STOMP websocket connection.
- * In this example we connect to a Spring application (see https://docs.spring.io/spring/docs/current/spring-framework-reference/html/websocket.html).
- *
- *  Created on: 18.07.2017
- *  Author: Martin Becker <mgbckr>, Contact: becker@informatik.uni-wuerzburg.de
- */
+    WebSocketClientSockJsAndStomp.ino
+
+    Example for connecting and maintining a connection with a SockJS+STOMP websocket connection.
+    In this example we connect to a Spring application (see https://docs.spring.io/spring/docs/current/spring-framework-reference/html/websocket.html).
+
+    Created on: 18.07.2017
+    Author: Martin Becker <mgbckr>, Contact: becker@informatik.uni-wuerzburg.de
+*/
 
 // PRE
 
@@ -28,7 +28,7 @@ const char* ws_host               = "the.host.net";
 const int   ws_port               = 80;
 
 // base URL for SockJS (websocket) connection
-// The complete URL will look something like this(cf. http://sockjs.github.io/sockjs-protocol/sockjs-protocol-0.3.3.html#section-36): 
+// The complete URL will look something like this(cf. http://sockjs.github.io/sockjs-protocol/sockjs-protocol-0.3.3.html#section-36):
 // ws://<ws_host>:<ws_port>/<ws_baseurl>/<3digits>/<randomstring>/websocket
 // For the default config of Spring's SockJS/STOMP support the default base URL is "/socketentry/".
 const char* ws_baseurl            = "/socketentry/"; // don't forget leading and trailing "/" !!!
@@ -43,7 +43,7 @@ WebSocketsClient webSocket;
 
 void webSocketEvent(WStype_t type, uint8_t * payload, size_t length) {
 
-    switch(type) {
+    switch (type) {
         case WStype_DISCONNECTED:
             USE_SERIAL.printf("[WSc] Disconnected!\n");
             break;
@@ -52,43 +52,43 @@ void webSocketEvent(WStype_t type, uint8_t * payload, size_t length) {
                 USE_SERIAL.printf("[WSc] Connected to url: %s\n",  payload);
             }
             break;
-        case WStype_TEXT: {
+        case WStype_TEXT: 
+            {
+                // #####################
+                // handle STOMP protocol
+                // #####################
 
-            // #####################
-            // handle STOMP protocol
-            // #####################
+                String text = (char*) payload;
 
-            String text = (char*) payload; 
-        
-            USE_SERIAL.printf("[WSc] get text: %s\n", payload);
+                USE_SERIAL.printf("[WSc] get text: %s\n", payload);
 
-            if (payload[0] == 'h') {
-              
-              USE_SERIAL.println("Heartbeat!");
-              
-            } else if (payload[0] == 'o') {
+                if (payload[0] == 'h') {
 
-              // on open connection
-              char *msg = "[\"CONNECT\\naccept-version:1.1,1.0\\nheart-beat:10000,10000\\n\\n\\u0000\"]";
-              webSocket.sendTXT(msg);
-              
-            } else if (text.startsWith("a[\"CONNECTED")) {
+                    USE_SERIAL.println("Heartbeat!");
 
-              // subscribe to some channels
-              
-              char *msg = "[\"SUBSCRIBE\\nid:sub-0\\ndestination:/user/queue/messages\\n\\n\\u0000\"]";
-              webSocket.sendTXT(msg);
-              delay(1000);
+                } else if (payload[0] == 'o') {
 
-              // and send a message
+                    // on open connection
+                    char *msg = "[\"CONNECT\\naccept-version:1.1,1.0\\nheart-beat:10000,10000\\n\\n\\u0000\"]";
+                    webSocket.sendTXT(msg);
 
-              msg = "[\"SEND\\ndestination:/app/message\\n\\n{\\\"user\\\":\\\"esp\\\",\\\"message\\\":\\\"Hello!\\\"}\\u0000\"]";
-              webSocket.sendTXT(msg);
-              delay(1000);
+                } else if (text.startsWith("a[\"CONNECTED")) {
+
+                    // subscribe to some channels
+
+                    char *msg = "[\"SUBSCRIBE\\nid:sub-0\\ndestination:/user/queue/messages\\n\\n\\u0000\"]";
+                    webSocket.sendTXT(msg);
+                    delay(1000);
+
+                    // and send a message
+
+                    msg = "[\"SEND\\ndestination:/app/message\\n\\n{\\\"user\\\":\\\"esp\\\",\\\"message\\\":\\\"Hello!\\\"}\\u0000\"]";
+                    webSocket.sendTXT(msg);
+                    delay(1000);
+                }
+
+                break;
             }
-
-            break;
-        } 
         case WStype_BIN:
             USE_SERIAL.printf("[WSc] get binary length: %u\n", length);
             hexdump(payload, length);
@@ -107,7 +107,7 @@ void setup() {
     // USE_SERIAL.begin(921600);
     USE_SERIAL.begin(115200);
 
-//    USE_SERIAL.setDebugOutput(true);
+    //    USE_SERIAL.setDebugOutput(true);
 
     USE_SERIAL.println();
 
@@ -117,28 +117,28 @@ void setup() {
     USE_SERIAL.print("Logging into WLAN: "); Serial.print(wlan_ssid); Serial.print(" ...");
     WiFi.mode(WIFI_STA);
     WiFi.begin(wlan_ssid, wlan_password);
-    
+
     while (WiFi.status() != WL_CONNECTED) {
-      delay(500);
-      USE_SERIAL.print(".");
+        delay(500);
+        USE_SERIAL.print(".");
     }
     USE_SERIAL.println(" success.");
     USE_SERIAL.print("IP: "); USE_SERIAL.println(WiFi.localIP());
 
-    
+
     // #####################
     // create socket url according to SockJS protocol (cf. http://sockjs.github.io/sockjs-protocol/sockjs-protocol-0.3.3.html#section-36)
     // #####################
     String socketUrl = ws_baseurl;
-    socketUrl += random(0,999);
+    socketUrl += random(0, 999);
     socketUrl += "/";
-    socketUrl += random(0,999999); // should be a random string, but this works (see )
+    socketUrl += random(0, 999999); // should be a random string, but this works (see )
     socketUrl += "/websocket";
 
     // connect to websocket
     webSocket.begin(ws_host, ws_port, socketUrl);
     webSocket.setExtraHeaders(); // remove "Origin: file://" header because it breaks the connection with Spring's default websocket config
-//    webSocket.setExtraHeaders("foo: I am so funny\r\nbar: not"); // some headers, in case you feel funny
+    //    webSocket.setExtraHeaders("foo: I am so funny\r\nbar: not"); // some headers, in case you feel funny
     webSocket.onEvent(webSocketEvent);
 }
 
diff --git a/src/WebSocketsClient.h b/src/WebSocketsClient.h
index b097b68..7390a76 100644
--- a/src/WebSocketsClient.h
+++ b/src/WebSocketsClient.h
@@ -82,7 +82,6 @@ class WebSocketsClient: private WebSockets {
         void setAuthorization(const char * auth);
 	
         void setExtraHeaders(const char * extraHeaders = NULL);
-        void setExtraHeaders(char * extraHeaders);
 
     protected:
         String _host;