diff --git a/src/devices/boiler.cpp b/src/devices/boiler.cpp
index 7885fe518..2c1aaf626 100644
--- a/src/devices/boiler.cpp
+++ b/src/devices/boiler.cpp
@@ -712,8 +712,7 @@ void Boiler::process_UBAMaintenanceData(std::shared_ptr<const Telegram> telegram
 void Boiler::set_warmwater_temp(const uint8_t temperature) {
     LOG_INFO(F("Setting boiler warm water temperature to %d C"), temperature);
     write_command(EMS_TYPE_UBAParameterWW, 2, temperature);
-    // for i9000, see #397
-    write_command(EMS_TYPE_UBAFlags, 3, temperature);
+    write_command(EMS_TYPE_UBAFlags, 3, temperature); // for i9000, see #397
 }
 
 // flow temp
diff --git a/src/telegram.h b/src/telegram.h
index fa19c2c5f..14f762a12 100644
--- a/src/telegram.h
+++ b/src/telegram.h
@@ -135,10 +135,6 @@ class EMSbus {
         return (ems_mask_ == EMS_MASK_HT3);
     }
 
-    static uint8_t protocol() {
-        return ems_mask_;
-    }
-
     static uint8_t ems_mask() {
         return ems_mask_;
     }