diff --git a/configuration.yaml b/configuration.yaml
index 6724cf9..598f9d4 100644
--- a/configuration.yaml
+++ b/configuration.yaml
@@ -53,7 +53,7 @@ bluetooth:
 # Bluetooth Low Energy tracker
 device_tracker:
   - platform: bluetooth_le_tracker
-    track_new_devices: true
+    track_new_devices: false
 
 generic_hygrostat:
   - name: Badezimmer
diff --git a/image/681fb9bf3fd83a14a1ec95b48169723c/512x512 b/image/681fb9bf3fd83a14a1ec95b48169723c/512x512
new file mode 100644
index 0000000..32fa066
Binary files /dev/null and b/image/681fb9bf3fd83a14a1ec95b48169723c/512x512 differ
diff --git a/image/681fb9bf3fd83a14a1ec95b48169723c/original b/image/681fb9bf3fd83a14a1ec95b48169723c/original
new file mode 100644
index 0000000..4ac68a6
Binary files /dev/null and b/image/681fb9bf3fd83a14a1ec95b48169723c/original differ
diff --git a/known_devices.yaml b/known_devices.yaml
deleted file mode 100644
index 7c76ea1..0000000
--- a/known_devices.yaml
+++ /dev/null
@@ -1,6 +0,0 @@
-bdm:
-  name: BDM
-  mac: BLE_34:14:B5:A0:99:BD
-  icon:
-  picture:
-  track: true