Index: leahi_dialin/common/dd_defs.py
===================================================================
diff -u -reb312be9dab95907142103419bc1804713789e8d -r20c821bd230fc7689a0275a2918981669ff5cc19
--- leahi_dialin/common/dd_defs.py	(.../dd_defs.py)	(revision eb312be9dab95907142103419bc1804713789e8d)
+++ leahi_dialin/common/dd_defs.py	(.../dd_defs.py)	(revision 20c821bd230fc7689a0275a2918981669ff5cc19)
@@ -8,7 +8,7 @@
 # @file    dd_defs.py
 #
 # @author  (last)      Zoltan Miskolci
-# @date    (last)      28-Jan-2026
+# @date    (last)      25-Feb-2026
 # @author  (original)  Peter Lucia
 # @date    (original)  22-Jun-2021
 #
@@ -825,51 +825,3 @@
     'VALVE_STATE_OPEN': ['open'],
     'NUM_OF_VALVE_STATES': [],
 }
-
-
-
-# ================================================== Creates a singleton ==================================================
-class DD_Defs():
-
-    DDOpModes = DDOpModes
-    DDFaultStates = DDFaultStates
-    DDFaultNVDataStates = DDFaultNVDataStates
-    DDServiceStates = DDServiceStates
-    DDInitStates = DDInitStates
-    DDStandbyStates = DDStandbyStates
-    DDPreGenDialysateStates = DDPreGenDialysateStates
-    DDGenDialysateModeStates = DDGenDialysateModeStates
-    DDPostGenDialysateStates = DDPostGenDialysateStates
-    DDHeatDisinfectStates = DDHeatDisinfectStates
-    DDHeaterCoolingStates = DDHeaterCoolingStates
-    DDROPermeateStates = DDROPermeateStates
-    DDNotLegalStates = DDNotLegalStates
-
-    DDEventList = DDEventList
-    DDEventDataTypes = DDEventDataTypes
-
-    DDConcentratePumpNames = DDConcentratePumpNames
-    DDConductivitySensorNames = DDConductivitySensorNames
-    DDDialysatePumpNames = DDDialysatePumpNames
-    DDHeaterNames = DDHeaterNames
-    DDLevelSensorNames = DDLevelSensorNames
-    DDPistonPumpNames = DDPistonPumpNames
-    DDPressureSensorNames = DDPressureSensorNames
-    DDTemperatureSensorNames = DDTemperatureSensorNames
-    DDValveNames = DDValveNames
-    DDMonitoredVoltages = DDMonitoredVoltages
-
-    DDBalancingChamberStates = DDBalancingChamberStates
-    DDBalancingChamberSwitchStates = DDBalancingChamberSwitchStates
-    DDBloodLeakStates = DDBloodLeakStates
-    DDConcentratePumpAttributes = DDConcentratePumpAttributes
-    DDConcentratePumpStates = DDConcentratePumpStates
-    DDDialysatePumpAttributes = DDDialysatePumpAttributes
-    DDDialysatePumpsStates =DDDialysatePumpsStates
-    DDHeaterStartStop = DDHeaterStartStop
-    DDHeaterAttributes = DDHeaterAttributes
-    DDHeaterExecState = DDHeaterExecState
-    DDPistonPumpAttributes = DDPistonPumpAttributes
-    DDValveStates = DDValveStates
-
-dd_enum_repository = DD_Defs()