diff --git a/src/RemoteDebug.cpp b/src/RemoteDebug.cpp
index 22c220a..986a408 100644
--- a/src/RemoteDebug.cpp
+++ b/src/RemoteDebug.cpp
@@ -260,7 +260,7 @@ bool RemoteDebug::begin(String hostName, uint16_t port,  uint8_t startingDebugLe
 	if (port != TELNET_PORT) { // Bug: not more can use begin(port)..
 	    return false;
 	}
-	
+
 	TelnetServer.begin();
 	TelnetServer.setNoDelay(true);
 
@@ -1517,7 +1517,7 @@ void RemoteDebug::processCommand() {
 	// Send status to app
 
 	if (_connectedWS) {
-		DebugWS.printf("$app:M:%lu:\n", free);
+		DebugWS.printf("$app:M:%du:\n", free);
 	}
 
 #endif
@@ -1928,7 +1928,7 @@ void RemoteDebug::wsSendInfo() {
 #endif
 
 		DebugWS.println(); // Workaround to not get dirty "[0m" ???
-		DebugWS.printf("$app:V:%s:%s:%c:%lu:%c:N\n", version.c_str(), board.c_str(), features, getFreeMemory(), dbgEnabled);
+		DebugWS.printf("$app:V:%s:%s:%c:%du:%c:N\n", version.c_str(), board.c_str(), features, getFreeMemory(), dbgEnabled);
 
 		// Status of debug level
 
diff --git a/src/RemoteDebugWS.cpp b/src/RemoteDebugWS.cpp
index 022d8e5..1b91c58 100644
--- a/src/RemoteDebugWS.cpp
+++ b/src/RemoteDebugWS.cpp
@@ -230,8 +230,8 @@ RemoteDebugWS::~RemoteDebugWS() {
 
 void webSocketEvent(uint8_t num, WStype_t type, uint8_t * payload, size_t payloadlength) { // When a WebSocket message is received
 
-	int blk_count = 0;
-	char ipaddr[26];
+	// int blk_count = 0;
+	// char ipaddr[26];
 	IPAddress localip;
 
 	switch (type) {