diff --git a/data/src/index.html b/data/src/index.html
index 0c8b980..a601d7e 100644
--- a/data/src/index.html
+++ b/data/src/index.html
@@ -191,13 +191,6 @@
                 <input type="text" name="mempoolInstance" id="mempoolInstance" class="form-control">
               </div>
             </div>
-            <div class="row">
-              <label for="hostnamePrefix" class="col-sm-6 col-form-label col-form-label-sm">Hostname prefix</label>
-              <div class="col-sm-6">
-                <input type="text" name="hostnamePrefix" id="hostnamePrefix" class="form-control">
-                <div class="form-text">A restart is required to apply new hostname prefix.</div>
-              </div>
-            </div>
             <div class="row">
               <div class=" col-sm-6">
                 <div class="form-check form-switch">
diff --git a/data/src/js/script.ts b/data/src/js/script.ts
index 0952e77..1125f9b 100644
--- a/data/src/js/script.ts
+++ b/data/src/js/script.ts
@@ -76,7 +76,6 @@ fetch('/api/settings', {
         document.getElementById('fullRefreshMin').value = jsonData.fullRefreshMin;
         document.getElementById('wpTimeout').value = jsonData.wpTimeout;
         document.getElementById('mempoolInstance').value = jsonData.mempoolInstance;
-        document.getElementById('hostnamePrefix').value = jsonData.hostnamePrefix;
 
         if (jsonData.gitRev)
             document.getElementById('gitRev').innerHTML = "Version: " + jsonData.gitRev;
diff --git a/doc/Rev.B/IMG_3310.jpeg b/doc/Rev.B/IMG_3310.jpeg
deleted file mode 100644
index 9cd98b4..0000000
Binary files a/doc/Rev.B/IMG_3310.jpeg and /dev/null differ
diff --git a/doc/Rev.B/IMG_3313.jpeg b/doc/Rev.B/IMG_3313.jpeg
deleted file mode 100644
index 1c20403..0000000
Binary files a/doc/Rev.B/IMG_3313.jpeg and /dev/null differ
diff --git a/doc/Rev.B/IMG_3314.jpeg b/doc/Rev.B/IMG_3314.jpeg
deleted file mode 100644
index f26ddf4..0000000
Binary files a/doc/Rev.B/IMG_3314.jpeg and /dev/null differ
diff --git a/doc/Rev.B/IMG_3317.jpeg b/doc/Rev.B/IMG_3317.jpeg
deleted file mode 100644
index 777777b..0000000
Binary files a/doc/Rev.B/IMG_3317.jpeg and /dev/null differ
diff --git a/src/lib/functions.cpp b/src/lib/functions.cpp
index 78d2d33..0e6cd4e 100644
--- a/src/lib/functions.cpp
+++ b/src/lib/functions.cpp
@@ -36,8 +36,8 @@ void setupSoftAP()
 {
     byte mac[6];
     WiFi.macAddress(mac);
-    softAP_SSID = getMyHostname().c_str();
-    WiFi.setHostname(getMyHostname().c_str());
+    softAP_SSID = String("BTClock" + String(mac[5], 16) + String(mac[1], 16));
+    WiFi.setHostname(softAP_SSID.c_str());
     softAP_password = base64::encode(String(mac[2], 16) + String(mac[4], 16) + String(mac[5], 16) + String(mac[1], 16)).substring(2, 10);
 }
 
diff --git a/src/lib/functions.hpp b/src/lib/functions.hpp
index d4d939d..95177b4 100644
--- a/src/lib/functions.hpp
+++ b/src/lib/functions.hpp
@@ -5,7 +5,6 @@
 //#include <WiFiMulti.h>
 
 #include "config.h"
-#include "utils.hpp"
 #include "shared.hpp"
 #include "Adafruit_GFX.h"
 #include "lib/epd.hpp"
diff --git a/src/lib/utils.cpp b/src/lib/utils.cpp
index 480ca6a..245d4b5 100644
--- a/src/lib/utils.cpp
+++ b/src/lib/utils.cpp
@@ -41,14 +41,3 @@ std::string formatNumberWithSuffix(int64_t num) {
         return std::to_string(num);
     }
 }
-
-String getMyHostname() {
-    uint8_t mac[6];
-    //WiFi.macAddress(mac);
-    esp_efuse_mac_get_default(mac);
-    char hostname[15]; 
-    String hostnamePrefix = preferences.getString("hostnamePrefix", "btclock");
-    snprintf(hostname, sizeof(hostname), "%s-%02x%02x%02x",
-             hostnamePrefix, mac[3], mac[4], mac[5]);
-    return hostname;
-}
\ No newline at end of file
diff --git a/src/lib/utils.hpp b/src/lib/utils.hpp
index 32f2a6d..c0ffac7 100644
--- a/src/lib/utils.hpp
+++ b/src/lib/utils.hpp
@@ -3,5 +3,4 @@
 #include "shared.hpp"
 
 double getSupplyAtBlock(uint blockNr);
-std::string formatNumberWithSuffix(int64_t num);
-String getMyHostname();
+std::string formatNumberWithSuffix(int64_t num);
\ No newline at end of file
diff --git a/src/lib/webserver.cpp b/src/lib/webserver.cpp
index 0f96454..4a3b4f2 100644
--- a/src/lib/webserver.cpp
+++ b/src/lib/webserver.cpp
@@ -52,7 +52,7 @@ void setupWebserver()
 
     // Start server
     server.begin();
-    if (!MDNS.begin(getMyHostname()))
+    if (!MDNS.begin(HOSTNAME))
     {
         Serial.println(F("Error setting up MDNS responder!"));
         while (1)
@@ -61,9 +61,6 @@ void setupWebserver()
         }
     }
     MDNS.addService("http", "tcp", 80);
-    MDNS.addServiceTxt("http", "tcp", "model", "BTClock");
-    MDNS.addServiceTxt("http", "tcp", "version", "2.0");
-    MDNS.addServiceTxt("http", "tcp", "rev", GIT_REV);
     Serial.println(F("Webserver should be running"));
 }
 
@@ -187,9 +184,7 @@ void onApiSettingsGet(AsyncWebServerRequest *request)
     root["rpcUser"] = preferences.getString("rpcUser", BITCOIND_RPC_USER);
     root["rpcHost"] = preferences.getString("rpcHost", BITCOIND_HOST);
     root["mempoolInstance"] = preferences.getString("mempoolInstance", DEFAULT_MEMPOOL_INSTANCE);
-    root["hostnamePrefix"] = preferences.getString("hostnamePrefix", "btclock");
-    root["hostname"] = getMyHostname();
-    
+
 #ifdef IS_BW
     root["epdColors"] = 2;
 #else
@@ -295,14 +290,6 @@ void onApiSettingsPost(AsyncWebServerRequest *request)
         settingsChanged = true;
     }
 
-    if (request->hasParam("hostnamePrefix", true))
-    {
-        AsyncWebParameter *hostnamePrefix = request->getParam("hostnamePrefix", true);
-
-        preferences.putString("hostnamePrefix", hostnamePrefix->value().c_str());
-        settingsChanged = true;
-    }
-
     if (request->hasParam("ledBrightness", true))
     {
         AsyncWebParameter *ledBrightness = request->getParam("ledBrightness", true);