diff --git a/computercraft/sigils.lua b/computercraft/sigils.lua
index 61cea73..df89959 100644
--- a/computercraft/sigils.lua
+++ b/computercraft/sigils.lua
@@ -4,7 +4,6 @@ local Pipe = require('sigils.pipe')
 local WebSocket = require('sigils.websocket')
 local Utils = require('sigils.utils')
 local Logging = require('sigils.logging')
-local Concurrent = require('sigils.concurrent')
 
 local DEFAULT_SERVER_URL = 'wss://sigils.fredchan.org'
 
@@ -82,7 +81,6 @@ local function init ()
     function () WebSocket.doWebSocket(wsContext) end,
     function () Controller.listenForCcpipesEvents(wsContext, factory) end,
     function () Pipe.processAllPipesForever(factory) end,
-    function () Concurrent.default_runner.run_forever() end,
     function () waitForQuitKey(wsContext) end,
     function () while true do os.sleep(0.05) end end -- forces the OS not to lock up
   )
diff --git a/computercraft/sigils/ItemDetailAndLimitCache.lua b/computercraft/sigils/ItemDetailAndLimitCache.lua
index a917538..fa2508f 100644
--- a/computercraft/sigils/ItemDetailAndLimitCache.lua
+++ b/computercraft/sigils/ItemDetailAndLimitCache.lua
@@ -30,7 +30,6 @@ function ItemDetailAndLimitCache.new (missingPeriphs, initialMap)
   ---@param groups Group[] List of groups to fulfill item limits and details for
   function o:Fulfill(groups)
     local runner = Concurrent.default_runner
-    local parallelTasks = {}
 
     for _, group in pairs(groups) do
       for _, slot in pairs(group.slots) do
@@ -42,8 +41,7 @@ function ItemDetailAndLimitCache.new (missingPeriphs, initialMap)
           end
 
           -- fulfill itemDetail
-          table.insert(
-            parallelTasks,
+          runner.spawn(
             function ()
               local periph = peripheral.wrap(slot.periphId)
               if periph and o.map[slotId].itemDetail == nil then
@@ -54,8 +52,7 @@ function ItemDetailAndLimitCache.new (missingPeriphs, initialMap)
           )
 
           -- fulfill itemLimit
-          table.insert(
-            parallelTasks,
+          runner.spawn(
             function ()
               local periph = peripheral.wrap(slot.periphId)
               if periph and o.map[slotId].itemLimit == nil then
@@ -68,7 +65,7 @@ function ItemDetailAndLimitCache.new (missingPeriphs, initialMap)
       end
     end
 
-    runner.await_batch_tasks(parallelTasks)
+    runner.run_until_done()
   end
 
   ---Get the item limit of the given Slot
diff --git a/computercraft/sigils/concurrent.lua b/computercraft/sigils/concurrent.lua
index 2d23da6..e966959 100644
--- a/computercraft/sigils/concurrent.lua
+++ b/computercraft/sigils/concurrent.lua
@@ -110,22 +110,6 @@ local function create_runner(max_size)
     end
   end
 
-  ---Run an array of functions in parallel and wait for all of them to finish
-  ---@param fns function[] List of functions to wait for the completion of
-  function await_batch_tasks(fns)
-    local awaits = {}
-    for _, task in pairs(fns) do
-      local resolve, await = create_future()
-      table.insert(awaits, await)
-      spawn(function ()
-        task()
-        resolve()
-      end)
-    end
-
-    parallel.waitForAll(table.unpack(awaits))
-  end
-
   --- A coroutine executor.
   -- @type Runner
   return {
@@ -133,7 +117,6 @@ local function create_runner(max_size)
     has_work = has_work,
     run_until_done = run_until_done,
     run_forever = run_forever,
-    await_all_tasks = await_all_tasks,
   }
 end