diff --git a/rtu/dev/dynamicv_rtu.lua b/rtu/dev/dynamicv_rtu.lua
index ff2e0f2..75540a3 100644
--- a/rtu/dev/dynamicv_rtu.lua
+++ b/rtu/dev/dynamicv_rtu.lua
@@ -30,10 +30,7 @@ function dynamicv_rtu.new(dynamic_tank)
     -- build properties
     unit.connect_input_reg(dynamic_tank.getTankCapacity)
     unit.connect_input_reg(dynamic_tank.getChemicalTankCapacity)
-    -- current state
     -- tanks/containers
-    unit.connect_input_reg(dynamic_tank.getInputItem)
-    unit.connect_input_reg(dynamic_tank.getOutputItem)
     unit.connect_input_reg(dynamic_tank.getStored)
     unit.connect_input_reg(dynamic_tank.getFilledPercentage)
 
diff --git a/rtu/startup.lua b/rtu/startup.lua
index 57f8a9b..9567866 100644
--- a/rtu/startup.lua
+++ b/rtu/startup.lua
@@ -30,7 +30,7 @@ local sna_rtu      = require("rtu.dev.sna_rtu")
 local sps_rtu      = require("rtu.dev.sps_rtu")
 local turbinev_rtu = require("rtu.dev.turbinev_rtu")
 
-local RTU_VERSION = "v1.5.3"
+local RTU_VERSION = "v1.5.4"
 
 local RTU_UNIT_TYPE = types.RTU_UNIT_TYPE
 local RTU_UNIT_HW_STATE = databus.RTU_UNIT_HW_STATE