diff --git a/include/Configuration.h b/include/Configuration.h
index ee3754c..c2fc6d3 100644
--- a/include/Configuration.h
+++ b/include/Configuration.h
@@ -3,8 +3,7 @@
 
 #include <Arduino.h>
 
-#define CONFIG_FILENAME "/config.bin"
-#define CONFIG_FILENAME_JSON "/config.json"
+#define CONFIG_FILENAME "/config.json"
 #define CONFIG_VERSION 0x00011600 // 0.1.22 // make sure to clean all after change
 
 #define WIFI_MAX_SSID_STRLEN 31
@@ -15,7 +14,6 @@
 #define NTP_MAX_TIMEZONE_STRLEN 50
 #define NTP_MAX_TIMEZONEDESCR_STRLEN 50
 
-#define MQTT_MAX_HOSTNAME_OLD_STRLEN 31
 #define MQTT_MAX_HOSTNAME_STRLEN 128
 #define MQTT_MAX_USERNAME_STRLEN 32
 #define MQTT_MAX_PASSWORD_STRLEN 32
@@ -54,7 +52,6 @@ struct CONFIG_T {
     char Ntp_TimezoneDescr[NTP_MAX_TIMEZONEDESCR_STRLEN + 1];
 
     bool Mqtt_Enabled;
-    char Mqtt_Hostname_Short[MQTT_MAX_HOSTNAME_OLD_STRLEN + 1]; // Deprecated but for config compatibility
     uint Mqtt_Port;
     char Mqtt_Username[MQTT_MAX_USERNAME_STRLEN + 1];
     char Mqtt_Password[MQTT_MAX_PASSWORD_STRLEN + 1];
@@ -94,9 +91,6 @@ public:
     CONFIG_T& get();
 
     INVERTER_CONFIG_T* getFreeInverterSlot();
-
-private:
-    bool readJson();
 };
 
 extern ConfigurationClass Configuration;
\ No newline at end of file
diff --git a/src/Configuration.cpp b/src/Configuration.cpp
index d9dbcd1..bfd1460 100644
--- a/src/Configuration.cpp
+++ b/src/Configuration.cpp
@@ -12,59 +12,11 @@ CONFIG_T config;
 void ConfigurationClass::init()
 {
     memset(&config, 0x0, sizeof(config));
-    config.Cfg_SaveCount = 0;
-    config.Cfg_Version = CONFIG_VERSION;
-
-    // WiFi Settings
-    strlcpy(config.WiFi_Ssid, WIFI_SSID, sizeof(config.WiFi_Ssid));
-    strlcpy(config.WiFi_Password, WIFI_PASSWORD, sizeof(config.WiFi_Password));
-    config.WiFi_Dhcp = WIFI_DHCP;
-    strlcpy(config.WiFi_Hostname, APP_HOSTNAME, sizeof(config.WiFi_Hostname));
-
-    // NTP Settings
-    strlcpy(config.Ntp_Server, NTP_SERVER, sizeof(config.Ntp_Server));
-    strlcpy(config.Ntp_Timezone, NTP_TIMEZONE, sizeof(config.Ntp_Timezone));
-    strlcpy(config.Ntp_TimezoneDescr, NTP_TIMEZONEDESCR, sizeof(config.Ntp_TimezoneDescr));
-
-    // MqTT Settings
-    config.Mqtt_Enabled = MQTT_ENABLED;
-    strlcpy(config.Mqtt_Hostname, MQTT_HOST, sizeof(config.Mqtt_Hostname));
-    config.Mqtt_Port = MQTT_PORT;
-    strlcpy(config.Mqtt_Username, MQTT_USER, sizeof(config.Mqtt_Username));
-    strlcpy(config.Mqtt_Password, MQTT_PASSWORD, sizeof(config.Mqtt_Password));
-    strlcpy(config.Mqtt_Topic, MQTT_TOPIC, sizeof(config.Mqtt_Topic));
-    config.Mqtt_Retain = MQTT_RETAIN;
-    config.Mqtt_Tls = MQTT_TLS;
-    strlcpy(config.Mqtt_RootCaCert, MQTT_ROOT_CA_CERT, sizeof(config.Mqtt_RootCaCert));
-    strlcpy(config.Mqtt_LwtTopic, MQTT_LWT_TOPIC, sizeof(config.Mqtt_LwtTopic));
-    strlcpy(config.Mqtt_LwtValue_Online, MQTT_LWT_ONLINE, sizeof(config.Mqtt_LwtValue_Online));
-    strlcpy(config.Mqtt_LwtValue_Offline, MQTT_LWT_OFFLINE, sizeof(config.Mqtt_LwtValue_Offline));
-    config.Mqtt_PublishInterval = MQTT_PUBLISH_INTERVAL;
-
-    for (uint8_t i = 0; i < INV_MAX_COUNT; i++) {
-        config.Inverter[i].Serial = 0;
-        strlcpy(config.Inverter[i].Name, "", 0);
-        for (uint8_t c = 0; c < INV_MAX_CHAN_COUNT; c++) {
-            config.Inverter[0].MaxChannelPower[c] = 0;
-        }
-    }
-
-    config.Dtu_Serial = DTU_SERIAL;
-    config.Dtu_PollInterval = DTU_POLL_INTERVAL;
-    config.Dtu_PaLevel = DTU_PA_LEVEL;
-
-    config.Mqtt_Hass_Enabled = MQTT_HASS_ENABLED;
-    config.Mqtt_Hass_Expire = MQTT_HASS_EXPIRE;
-    config.Mqtt_Hass_Retain = MQTT_HASS_RETAIN;
-    strlcpy(config.Mqtt_Hass_Topic, MQTT_HASS_TOPIC, sizeof(config.Mqtt_Hass_Topic));
-    config.Mqtt_Hass_IndividualPanels = MQTT_HASS_INDIVIDUALPANELS;
-
-    strlcpy(config.Security_Password, ACCESS_POINT_PASSWORD, sizeof(config.Security_Password));
 }
 
 bool ConfigurationClass::write()
 {
-    File f = LittleFS.open(CONFIG_FILENAME_JSON, "w");
+    File f = LittleFS.open(CONFIG_FILENAME, "w");
     if (!f) {
         return false;
     }
@@ -150,30 +102,7 @@ bool ConfigurationClass::write()
 
 bool ConfigurationClass::read()
 {
-    if (!LittleFS.exists(CONFIG_FILENAME_JSON)) {
-        Serial.println("Converting binary config to json... ");
-        File f = LittleFS.open(CONFIG_FILENAME, "r");
-        if (!f) {
-            return false;
-        }
-        uint8_t* bytes = reinterpret_cast<uint8_t*>(&config);
-        for (unsigned int i = 0; i < sizeof(CONFIG_T); i++) {
-            bytes[i] = f.read();
-        }
-        f.close();
-        write();
-        Serial.println("done");
-        LittleFS.remove(CONFIG_FILENAME);
-    }
-    return readJson();
-}
-
-bool ConfigurationClass::readJson()
-{
-    File f = LittleFS.open(CONFIG_FILENAME_JSON, "r", false);
-    if (!f) {
-        return false;
-    }
+    File f = LittleFS.open(CONFIG_FILENAME, "r", false);
 
     DynamicJsonDocument doc(JSON_BUFFER_SIZE);
     // Deserialize the JSON document
@@ -285,76 +214,6 @@ bool ConfigurationClass::readJson()
 
 void ConfigurationClass::migrate()
 {
-    if (config.Cfg_Version < 0x00010400) {
-        strlcpy(config.Ntp_Server, NTP_SERVER, sizeof(config.Ntp_Server));
-        strlcpy(config.Ntp_Timezone, NTP_TIMEZONE, sizeof(config.Ntp_Timezone));
-        strlcpy(config.Ntp_TimezoneDescr, NTP_TIMEZONEDESCR, sizeof(config.Ntp_TimezoneDescr));
-    }
-
-    if (config.Cfg_Version < 0x00010500) {
-        config.Mqtt_Enabled = MQTT_ENABLED;
-        strlcpy(config.Mqtt_Hostname, MQTT_HOST, sizeof(config.Mqtt_Hostname));
-        config.Mqtt_Port = MQTT_PORT;
-        strlcpy(config.Mqtt_Username, MQTT_USER, sizeof(config.Mqtt_Username));
-        strlcpy(config.Mqtt_Password, MQTT_PASSWORD, sizeof(config.Mqtt_Password));
-        strlcpy(config.Mqtt_Topic, MQTT_TOPIC, sizeof(config.Mqtt_Topic));
-    }
-
-    if (config.Cfg_Version < 0x00010600) {
-        config.Mqtt_Retain = MQTT_RETAIN;
-    }
-
-    if (config.Cfg_Version < 0x00010700) {
-        strlcpy(config.Mqtt_LwtTopic, MQTT_LWT_TOPIC, sizeof(config.Mqtt_LwtTopic));
-        strlcpy(config.Mqtt_LwtValue_Online, MQTT_LWT_ONLINE, sizeof(config.Mqtt_LwtValue_Online));
-        strlcpy(config.Mqtt_LwtValue_Offline, MQTT_LWT_OFFLINE, sizeof(config.Mqtt_LwtValue_Offline));
-    }
-
-    if (config.Cfg_Version < 0x00010800) {
-        for (uint8_t i = 0; i < INV_MAX_COUNT; i++) {
-            config.Inverter[i].Serial = 0;
-            strlcpy(config.Inverter[i].Name, "", 0);
-        }
-    }
-
-    if (config.Cfg_Version < 0x00010900) {
-        config.Dtu_Serial = DTU_SERIAL;
-        config.Dtu_PollInterval = DTU_POLL_INTERVAL;
-        config.Dtu_PaLevel = DTU_PA_LEVEL;
-    }
-
-    if (config.Cfg_Version < 0x00011000) {
-        config.Mqtt_PublishInterval = MQTT_PUBLISH_INTERVAL;
-    }
-
-    if (config.Cfg_Version < 0x00011100) {
-        init(); // Config will be completly incompatible after this update
-    }
-
-    if (config.Cfg_Version < 0x00011200) {
-        config.Mqtt_Hass_Enabled = MQTT_HASS_ENABLED;
-        config.Mqtt_Hass_Retain = MQTT_HASS_RETAIN;
-        strlcpy(config.Mqtt_Hass_Topic, MQTT_HASS_TOPIC, sizeof(config.Mqtt_Hass_Topic));
-        config.Mqtt_Hass_IndividualPanels = MQTT_HASS_INDIVIDUALPANELS;
-    }
-
-    if (config.Cfg_Version < 0x00011300) {
-        config.Mqtt_Tls = MQTT_TLS;
-        strlcpy(config.Mqtt_RootCaCert, MQTT_ROOT_CA_CERT, sizeof(config.Mqtt_RootCaCert));
-    }
-
-    if (config.Cfg_Version < 0x00011400) {
-        strlcpy(config.Mqtt_Hostname, config.Mqtt_Hostname_Short, sizeof(config.Mqtt_Hostname_Short));
-    }
-
-    if (config.Cfg_Version < 0x00011500) {
-        config.Mqtt_Hass_Expire = MQTT_HASS_EXPIRE;
-    }
-
-    if (config.Cfg_Version < 0x00011600) {
-        strlcpy(config.Security_Password, ACCESS_POINT_PASSWORD, sizeof(config.Security_Password));
-    }
-
     config.Cfg_Version = CONFIG_VERSION;
     write();
 }
diff --git a/src/WebApi_config.cpp b/src/WebApi_config.cpp
index fe52265..84e6af9 100644
--- a/src/WebApi_config.cpp
+++ b/src/WebApi_config.cpp
@@ -37,7 +37,7 @@ void WebApiConfigClass::onConfigGet(AsyncWebServerRequest* request)
         return;
     }
 
-    request->send(LittleFS, CONFIG_FILENAME_JSON, String(), true);
+    request->send(LittleFS, CONFIG_FILENAME, String(), true);
 }
 
 void WebApiConfigClass::onConfigDelete(AsyncWebServerRequest* request)
@@ -96,7 +96,7 @@ void WebApiConfigClass::onConfigDelete(AsyncWebServerRequest* request)
     response->setLength();
     request->send(response);
 
-    LittleFS.remove(CONFIG_FILENAME_JSON);
+    LittleFS.remove(CONFIG_FILENAME);
     ESP.restart();
 }
 
@@ -127,7 +127,7 @@ void WebApiConfigClass::onConfigUpload(AsyncWebServerRequest* request, String fi
 
     if (!index) {
         // open the file on first call and store the file handle in the request object
-        request->_tempFile = LittleFS.open(CONFIG_FILENAME_JSON, "w");
+        request->_tempFile = LittleFS.open(CONFIG_FILENAME, "w");
     }
 
     if (len) {