diff --git a/pocket/iocontrol.lua b/pocket/iocontrol.lua
index 491ef05..0f779c1 100644
--- a/pocket/iocontrol.lua
+++ b/pocket/iocontrol.lua
@@ -231,9 +231,8 @@ end
 
 -- initialize facility-dependent components of pocket iocontrol
 ---@param conf facility_conf configuration
----@param comms pocket_comms comms reference
 ---@param temp_scale 1|2|3|4 temperature unit (1 = K, 2 = C, 3 = F, 4 = R)
-function iocontrol.init_fac(conf, comms, temp_scale)
+function iocontrol.init_fac(conf, temp_scale)
     -- temperature unit label and conversion function (from Kelvin)
     if temp_scale == 2 then
         io.temp_label = "\xb0C"
diff --git a/pocket/pocket.lua b/pocket/pocket.lua
index 711f409..63149e8 100644
--- a/pocket/pocket.lua
+++ b/pocket/pocket.lua
@@ -350,7 +350,7 @@ function pocket.comms(version, nic, sv_watchdog, api_watchdog)
                                         local conf = { num_units = fac_config[1], cooling = fac_config[2] }
 
                                         ---@todo unit options
-                                        iocontrol.init_fac(conf, public, 1)
+                                        iocontrol.init_fac(conf, 1)
 
                                         log.info("coordinator connection established")
                                         self.establish_delay_counter = 0