diff --git a/reactor-plc/databus.lua b/reactor-plc/databus.lua
index 65ecae9..98c1671 100644
--- a/reactor-plc/databus.lua
+++ b/reactor-plc/databus.lua
@@ -94,11 +94,4 @@ function databus.tx_rps(tripped, status, emer_cool_active)
     databus.ps.publish("emer_cool", emer_cool_active)
 end
 
--- link a function to receive data from the bus
----@param field string field name
----@param func function function to link
-function databus.rx_field(field, func)
-    databus.ps.subscribe(field, func)
-end
-
 return databus
diff --git a/rtu/databus.lua b/rtu/databus.lua
index c4eb0ed..50deeb7 100644
--- a/rtu/databus.lua
+++ b/rtu/databus.lua
@@ -70,11 +70,4 @@ function databus.tx_link_state(state)
     databus.ps.publish("link_state", state)
 end
 
--- link a function to receive data from the bus
----@param field string field name
----@param func function function to link
-function databus.rx_field(field, func)
-    databus.ps.subscribe(field, func)
-end
-
 return databus
diff --git a/supervisor/databus.lua b/supervisor/databus.lua
index 5accd5d..6841157 100644
--- a/supervisor/databus.lua
+++ b/supervisor/databus.lua
@@ -172,11 +172,4 @@ function databus.tx_pdg_rtt(session_id, rtt)
     end
 end
 
--- link a function to receive data from the bus
----@param field string field name
----@param func function function to link
-function databus.rx_field(field, func)
-    databus.ps.subscribe(field, func)
-end
-
 return databus