diff --git a/lua/lazy/async.lua b/lua/lazy/async.lua
index 1d348e9..8a0a798 100644
--- a/lua/lazy/async.lua
+++ b/lua/lazy/async.lua
@@ -9,7 +9,6 @@ local M = {}
 M._queue = {}
 M._executor = assert(vim.loop.new_check())
 M._running = false
-M.SLEEP = "sleep"
 ---@type Async
 M.current = nil
 
@@ -62,9 +61,7 @@ function Async:step()
         self.opts.on_error(tostring(res))
       end
     elseif res then
-      if res == M.SLEEP then
-        self.sleeping = true
-      elseif self.opts.on_yield then
+      if self.opts.on_yield then
         self.opts.on_yield(res)
       end
     end
@@ -130,4 +127,11 @@ function M.wrap(fn, opts)
   end
 end
 
+---@async
+---@param ms number
+function M.sleep(ms)
+  assert(M.current, "Not in an async context")
+  M.current:sleep(ms)
+end
+
 return M
diff --git a/lua/lazy/manage/task/init.lua b/lua/lazy/manage/task/init.lua
index e651f63..a142cf4 100644
--- a/lua/lazy/manage/task/init.lua
+++ b/lua/lazy/manage/task/init.lua
@@ -75,16 +75,8 @@ function Task:status()
   return msg ~= "" and msg or nil
 end
 
-function Task:has_started()
-  return self._started ~= nil
-end
-
-function Task:has_ended()
-  return self._ended ~= nil
-end
-
 function Task:is_running()
-  return not self:has_ended()
+  return self._ended == nil
 end
 
 function Task:has_errors()
@@ -103,8 +95,8 @@ end
 ---@private
 ---@param task LazyTaskFn
 function Task:_start(task)
-  assert(not self:has_started(), "task already started")
-  assert(not self:has_ended(), "task already done")
+  assert(not self._started, "task already started")
+  assert(not self._ended, "task already done")
 
   if Config.headless() and Config.options.headless.task then
     self:log("Running task " .. self.name, vim.log.levels.INFO)
@@ -171,8 +163,8 @@ end
 
 ---@private
 function Task:_done()
-  assert(self:has_started(), "task not started")
-  assert(not self:has_ended(), "task already done")
+  assert(self._started, "task not started")
+  assert(not self._ended, "task already done")
 
   if self._running and self._running:running() then
     return
@@ -194,10 +186,10 @@ function Task:_done()
 end
 
 function Task:time()
-  if not self:has_started() then
+  if not self._started then
     return 0
   end
-  if not self:has_ended() then
+  if not self._ended then
     return (vim.uv.hrtime() - self._started) / 1e6
   end
   return (self._ended - self._started) / 1e6
diff --git a/lua/lazy/util.lua b/lua/lazy/util.lua
index 4a3073e..1c3cee3 100644
--- a/lua/lazy/util.lua
+++ b/lua/lazy/util.lua
@@ -229,14 +229,6 @@ function M.markdown(msg, opts)
   )
 end
 
----@async
----@param ms number
-function M.sleep(ms)
-  local async = require("lazy.async").current
-  assert(async, "Not in an async context")
-  async:sleep(ms)
-end
-
 function M._dump(value, result)
   local t = type(value)
   if t == "number" or t == "boolean" then
diff --git a/tests/manage/task_spec.lua b/tests/manage/task_spec.lua
index adb01e8..7df638a 100644
--- a/tests/manage/task_spec.lua
+++ b/tests/manage/task_spec.lua
@@ -21,7 +21,6 @@ describe("task", function()
 
   it("simple function", function()
     local task = Task.new(plugin, "test", function() end, opts)
-    assert(task:has_started())
     assert(task:is_running())
     task:wait()
     assert(not task:is_running())
@@ -32,7 +31,6 @@ describe("task", function()
     local task = Task.new(plugin, "test", function()
       error("test")
     end, opts)
-    assert(task:has_started())
     assert(task:is_running())
     task:wait()
     assert(not task:is_running())
@@ -48,7 +46,6 @@ describe("task", function()
       coroutine.yield()
       running = false
     end, opts)
-    assert(task:has_started())
     assert(task:is_running())
     assert(running)
     assert(task:is_running())
@@ -63,7 +60,6 @@ describe("task", function()
     local task = Task.new(plugin, "spawn_errors", function(task)
       task:spawn("foobar")
     end, opts)
-    assert(task:has_started())
     assert(task:is_running())
     task:wait()
     assert(not task:is_running())
@@ -75,9 +71,7 @@ describe("task", function()
     local task = Task.new(plugin, "test", function(task)
       task:spawn("echo", { args = { "foo" } })
     end, opts)
-    assert(task:has_started())
     assert(task:is_running())
-    assert(task:has_started())
     assert(task:is_running())
     task:wait()
     assert.same(task:output(), "foo")
@@ -90,7 +84,6 @@ describe("task", function()
       task:spawn("echo", { args = { "foo" } })
       task:spawn("echo", { args = { "bar" } })
     end, opts)
-    assert(task:has_started())
     assert(task:is_running())
     assert(task:is_running())
     task:wait()