diff --git a/data/configuration.yaml b/data/configuration.yaml
index 634d6da..622bd37 100644
--- a/data/configuration.yaml
+++ b/data/configuration.yaml
@@ -21,12 +21,8 @@ mqtt:
 # Serial settings
 serial:
   # Location of CC2531 USB sniffer
-  port: /dev/ttyACM0
+  port: '/dev/ttyACM0'
   baudrate: 115200
 
-frontend:
-  port: 8080
-  host: 0.0.0.0
-
 advanced:
    output: attribute