diff --git a/Cursive.toc b/Cursive.toc
index 41e5042..b54eb11 100644
--- a/Cursive.toc
+++ b/Cursive.toc
@@ -1,6 +1,6 @@
 ## Interface: 11200
-## Title: Cursive 3.0.0
-## Title-zhCN: Cursive 3.0.0
+## Title: Cursive 3.0.1
+## Title-zhCN: Cursive 3.0.1
 ## Author: Pepopo
 ## Notes: Uses GUIDs to show units in combat and track curses
 ## Notes-zhCN: 使用的GUID功能来显示战斗中的单位并监视诅咒等
diff --git a/curses.lua b/curses.lua
index e5c7849..823e64d 100644
--- a/curses.lua
+++ b/curses.lua
@@ -369,7 +369,7 @@ Cursive:RegisterEvent("SPELL_CHANNEL_START", function(spellID, targetGuid, durat
     curses.darkHarvestData = {
       spellID = spellID,
       targetGuid = targetGuid,
-      castDuration = curses:ScanTooltipForDuration(spellID),
+      castDuration = durationMs / 1000,
       start = GetTime()
     }
 	end
@@ -415,7 +415,7 @@ function curses:GetLastTickTime(curseData)
 	end
 
 	local tickTime = curseData.duration / ticks
-	local currentTime = GetTime() + tickTime * .2 -- dh won't apply to previous tick if within 20% of tick time
+	local currentTime = GetTime()
 
 	return math.floor((currentTime - curseData.start) / tickTime) * tickTime + curseData.start
 end
diff --git a/spells/warlock.lua b/spells/warlock.lua
index 2b71619..0c04858 100644
--- a/spells/warlock.lua
+++ b/spells/warlock.lua
@@ -21,10 +21,6 @@ function getWarlockSpells()
 		[18880] = { name = L["siphon life"], rank = 3, duration = 30, variableDuration = true, darkHarvest = true, numTicks=10 },
 		[18881] = { name = L["siphon life"], rank = 4, duration = 30, variableDuration = true, darkHarvest = true, numTicks=10 },
 
-		[52550] = { name = L["dark harvest"], rank = 1, duration = 8, variableDuration = true },
-		[52551] = { name = L["dark harvest"], rank = 2, duration = 8, variableDuration = true },
-		[52552] = { name = L["dark harvest"], rank = 3, duration = 8, variableDuration = true },
-
 		[603] = { name = L["curse of doom"], rank = 1, duration = 60 },
 
 		[704] = { name = L["curse of recklessness"], rank = 1, duration = 120 },