diff --git a/idm/idm.cpp b/idm/idm.cpp
index f2377d5..6890cae 100644
--- a/idm/idm.cpp
+++ b/idm/idm.cpp
@@ -173,31 +173,6 @@ void Idm::onModbusError()
     emit statusUpdated(m_idmInfo);
 }
 
-QString Idm::systemOperationModeToString(IdmSysMode mode)
-{
-    QString result{};
-
-    /* Operation modes according to table of manual p. 13 */
-    switch (mode) {
-    case IdmSysModeStandby:
-        result = "Standby";
-        break;
-    case IdmSysModeAutomatic:
-        result = "Automatik";
-        break;
-    case IdmSysModeAway:
-        result = "Abwesend";
-        break;
-    case IdmSysModeOnlyHotwater:
-        result = "Nur Warmwasser";
-        break;
-    case IdmSysModeOnlyRoomHeating:
-        result = "Nur Heizung/Kühlung";
-        break;
-    }
-    return result;
-}
-
 QString Idm::heatPumpOperationModeToString(IdmHeatPumpMode mode)
 {
     QString result{};
@@ -221,4 +196,3 @@ QString Idm::heatPumpOperationModeToString(IdmHeatPumpMode mode)
     }
     return result;
 }
-
diff --git a/idm/idm.h b/idm/idm.h
index 6e669ce..7a70efc 100644
--- a/idm/idm.h
+++ b/idm/idm.h
@@ -167,9 +167,6 @@ private:
      * by the receivedStatusGroupx functions */
     IdmInfo m_idmInfo;
 
-    /** Converts a system operation mode code to a string (according to manual p. 13) */
-    QString systemOperationModeToString(IdmSysMode mode);
-
     /** Converts a heat pump operation mode code to a string (according to manual p. 14) */
     QString heatPumpOperationModeToString(IdmHeatPumpMode mode);
 
diff --git a/idm/integrationpluginidm.cpp b/idm/integrationpluginidm.cpp
index db4a875..860cded 100644
--- a/idm/integrationpluginidm.cpp
+++ b/idm/integrationpluginidm.cpp
@@ -146,6 +146,7 @@ void IntegrationPluginIdm::executeAction(ThingActionInfo *info)
             double targetTemperature = thing->stateValue(navigator2TargetTemperatureStateTypeId).toDouble();
             QUuid requestId = idm->setTargetTemperature(targetTemperature);
             m_asyncActions.insert(requestId, info);
+            connect(info, &ThingActionInfo::aborted, [requestId, this] {m_asyncActions.remove(requestId);});
 
         } else {
             Q_ASSERT_X(false, "executeAction", QString("Unhandled action: %1").arg(action.actionTypeId().toString()).toUtf8());