diff --git a/.vscode/settings.json b/.vscode/settings.json
index 3bf857e..673ad4e 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -19,7 +19,7 @@
     "Lua.diagnostics.severity": {
         "unused-local": "Information",
         "unused-vararg": "Information",
-        "unused-function": "Information",
+        "unused-function": "Warning",
         "unused-label": "Information"
     },
     "Lua.hint.setType": true,
diff --git a/coordinator/session/api.lua b/coordinator/session/api.lua
index 69df834..2db28fd 100644
--- a/coordinator/session/api.lua
+++ b/coordinator/session/api.lua
@@ -73,16 +73,16 @@ function api.new_session(id, in_queue, out_queue, timeout)
     -- send a CAPI packet
     ---@param msg_type CAPI_TYPE
     ---@param msg table
-    local function _send(msg_type, msg)
-        local s_pkt = comms.scada_packet()
-        local c_pkt = comms.capi_packet()
+    -- local function _send(msg_type, msg)
+    --     local s_pkt = comms.scada_packet()
+    --     local c_pkt = comms.capi_packet()
 
-        c_pkt.make(msg_type, msg)
-        s_pkt.make(self.seq_num, PROTOCOL.COORD_API, c_pkt.raw_sendable())
+    --     c_pkt.make(msg_type, msg)
+    --     s_pkt.make(self.seq_num, PROTOCOL.COORD_API, c_pkt.raw_sendable())
 
-        out_queue.push_packet(s_pkt)
-        self.seq_num = self.seq_num + 1
-    end
+    --     out_queue.push_packet(s_pkt)
+    --     self.seq_num = self.seq_num + 1
+    -- end
 
     -- send a SCADA management packet
     ---@param msg_type SCADA_MGMT_TYPE
diff --git a/graphics/element.lua b/graphics/element.lua
index 77012fd..92b2f49 100644
--- a/graphics/element.lua
+++ b/graphics/element.lua
@@ -168,6 +168,8 @@ function element.new(args)
         self.bounds.y2 = self.position.y + f.h - 1
     end
 
+---@diagnostic disable: unused-local, unused-vararg
+
     -- handle a mouse event
     ---@param event mouse_interaction mouse interaction event
     function protected.handle_mouse(event)
@@ -222,6 +224,8 @@ function element.new(args)
     function protected.resize(...)
     end
 
+---@diagnostic enable: unused-local, unused-vararg
+
     -- start animations
     function protected.start_anim()
     end
diff --git a/pocket/pocket.lua b/pocket/pocket.lua
index be0c622..97ad87a 100644
--- a/pocket/pocket.lua
+++ b/pocket/pocket.lua
@@ -8,7 +8,7 @@ local PROTOCOL = comms.PROTOCOL
 local DEVICE_TYPE = comms.DEVICE_TYPE
 local ESTABLISH_ACK = comms.ESTABLISH_ACK
 local SCADA_MGMT_TYPE = comms.SCADA_MGMT_TYPE
-local CAPI_TYPE = comms.CAPI_TYPE
+-- local CAPI_TYPE = comms.CAPI_TYPE
 
 local LINK_STATE = coreio.LINK_STATE
 
@@ -84,16 +84,16 @@ function pocket.comms(version, modem, local_port, sv_port, api_port, range, sv_w
     -- send a packet to the coordinator API
     ---@param msg_type CAPI_TYPE
     ---@param msg table
-    local function _send_api(msg_type, msg)
-        local s_pkt = comms.scada_packet()
-        local pkt = comms.capi_packet()
+    -- local function _send_api(msg_type, msg)
+    --     local s_pkt = comms.scada_packet()
+    --     local pkt = comms.capi_packet()
 
-        pkt.make(msg_type, msg)
-        s_pkt.make(self.api.seq_num, PROTOCOL.COORD_API, pkt.raw_sendable())
+    --     pkt.make(msg_type, msg)
+    --     s_pkt.make(self.api.seq_num, PROTOCOL.COORD_API, pkt.raw_sendable())
 
-        modem.transmit(api_port, local_port, s_pkt.raw_sendable())
-        self.api.seq_num = self.api.seq_num + 1
-    end
+    --     modem.transmit(api_port, local_port, s_pkt.raw_sendable())
+    --     self.api.seq_num = self.api.seq_num + 1
+    -- end
 
     -- attempt supervisor connection establishment
     local function _send_sv_establish()
diff --git a/pocket/ui/components/boiler_page.lua b/pocket/ui/components/boiler_page.lua
index 204896a..fd0eca1 100644
--- a/pocket/ui/components/boiler_page.lua
+++ b/pocket/ui/components/boiler_page.lua
@@ -1,11 +1,11 @@
-local style   = require("pocket.ui.style")
+-- local style   = require("pocket.ui.style")
 
 local core    = require("graphics.core")
 
 local Div     = require("graphics.elements.div")
 local TextBox = require("graphics.elements.textbox")
 
-local cpair = core.graphics.cpair
+-- local cpair = core.graphics.cpair
 
 local TEXT_ALIGN = core.graphics.TEXT_ALIGN
 
diff --git a/pocket/ui/components/home_page.lua b/pocket/ui/components/home_page.lua
index 6715f19..5287cac 100644
--- a/pocket/ui/components/home_page.lua
+++ b/pocket/ui/components/home_page.lua
@@ -1,11 +1,11 @@
-local style   = require("pocket.ui.style")
+-- local style   = require("pocket.ui.style")
 
 local core    = require("graphics.core")
 
 local Div     = require("graphics.elements.div")
 local TextBox = require("graphics.elements.textbox")
 
-local cpair = core.graphics.cpair
+-- local cpair = core.graphics.cpair
 
 local TEXT_ALIGN = core.graphics.TEXT_ALIGN
 
diff --git a/pocket/ui/components/reactor_page.lua b/pocket/ui/components/reactor_page.lua
index 4775d81..50b1939 100644
--- a/pocket/ui/components/reactor_page.lua
+++ b/pocket/ui/components/reactor_page.lua
@@ -1,11 +1,11 @@
-local style   = require("pocket.ui.style")
+-- local style   = require("pocket.ui.style")
 
 local core    = require("graphics.core")
 
 local Div     = require("graphics.elements.div")
 local TextBox = require("graphics.elements.textbox")
 
-local cpair = core.graphics.cpair
+-- local cpair = core.graphics.cpair
 
 local TEXT_ALIGN = core.graphics.TEXT_ALIGN
 
diff --git a/pocket/ui/components/turbine_page.lua b/pocket/ui/components/turbine_page.lua
index 9c060cc..9fd7af5 100644
--- a/pocket/ui/components/turbine_page.lua
+++ b/pocket/ui/components/turbine_page.lua
@@ -1,11 +1,11 @@
-local style   = require("pocket.ui.style")
+-- local style   = require("pocket.ui.style")
 
 local core    = require("graphics.core")
 
 local Div     = require("graphics.elements.div")
 local TextBox = require("graphics.elements.textbox")
 
-local cpair = core.graphics.cpair
+-- local cpair = core.graphics.cpair
 
 local TEXT_ALIGN = core.graphics.TEXT_ALIGN
 
diff --git a/pocket/ui/components/unit_page.lua b/pocket/ui/components/unit_page.lua
index 60c91b1..2e24df3 100644
--- a/pocket/ui/components/unit_page.lua
+++ b/pocket/ui/components/unit_page.lua
@@ -1,11 +1,11 @@
-local style   = require("pocket.ui.style")
+-- local style   = require("pocket.ui.style")
 
 local core    = require("graphics.core")
 
 local Div     = require("graphics.elements.div")
 local TextBox = require("graphics.elements.textbox")
 
-local cpair = core.graphics.cpair
+-- local cpair = core.graphics.cpair
 
 local TEXT_ALIGN = core.graphics.TEXT_ALIGN
 
diff --git a/pocket/ui/main.lua b/pocket/ui/main.lua
index 820867c..d8202a7 100644
--- a/pocket/ui/main.lua
+++ b/pocket/ui/main.lua
@@ -2,8 +2,6 @@
 -- Pocket GUI Root
 --
 
-local util          = require("scada-common.util")
-
 local coreio        = require("pocket.coreio")
 
 local style         = require("pocket.ui.style")
@@ -18,18 +16,13 @@ local turbine_page  = require("pocket.ui.components.turbine_page")
 
 local core          = require("graphics.core")
 
-local ColorMap      = require("graphics.elements.colormap")
 local DisplayBox    = require("graphics.elements.displaybox")
 local Div           = require("graphics.elements.div")
 local MultiPane     = require("graphics.elements.multipane")
 local TextBox       = require("graphics.elements.textbox")
 
-local PushButton    = require("graphics.elements.controls.push_button")
-local SwitchButton  = require("graphics.elements.controls.switch_button")
 local Sidebar       = require("graphics.elements.controls.sidebar")
 
-local DataIndicator = require("graphics.elements.indicators.data")
-
 local TEXT_ALIGN = core.graphics.TEXT_ALIGN
 
 local cpair = core.graphics.cpair