diff --git a/package.json b/package.json
index a23ffb6..d74364b 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@rbxts/jecs",
-	"version": "0.10.4",
+	"version": "0.11.0",
 	"description": "Stupidly fast Entity Component System",
 	"main": "src/jecs.luau",
 	"repository": {
diff --git a/src/jecs.luau b/src/jecs.luau
index 672675e..50909fc 100755
--- a/src/jecs.luau
+++ b/src/jecs.luau
@@ -3142,7 +3142,8 @@ local function world_new(DEBUG: boolean?)
 		table.insert(listeners, fn)
 		return function()
 			local n = #listeners
-			local i = table.find(listeners, fn)
+			local i = table.find(listeners, fn::Listener<any>)
+			assert(i, "Listener not found, maybe you tried to disconnect it twice")
 			listeners[i] = listeners[n]
 			listeners[n] = nil
 		end
@@ -3187,7 +3188,8 @@ local function world_new(DEBUG: boolean?)
 		table.insert(listeners, fn)
 		return function()
 			local n = #listeners
-			local i = table.find(listeners, fn)
+			local i = table.find(listeners, fn::Listener<any>)
+			assert(i, "Listener not found, maybe you tried to disconnect it twice")
 			listeners[i] = listeners[n]
 			listeners[n] = nil
 		end
@@ -3232,6 +3234,7 @@ local function world_new(DEBUG: boolean?)
 		return function()
 			local n = #listeners
 			local i = table.find(listeners, fn::Listener<any>)
+			assert(i, "Listener not found, maybe you tried to disconnect it twice")
 			listeners[i] = listeners[n]
 			listeners[n] = nil
 		end
@@ -3339,14 +3342,7 @@ local function world_new(DEBUG: boolean?)
 				local max_id = entity_index.max_id
 
 				if index > max_id then
-					-- Pre-populate all intermediate IDs to keep sparse_array as an array
 					for i = max_id + 1, index - 1 do
-						-- if not sparse_array[i] then
-						-- 	-- NOTE(marcus): We have to do this check to see if
-						-- 	-- they exist first because world:range() may have
-						-- 	-- pre-populated some slots already.
-						-- end
-
 						sparse_array[i] = { dense = 0, row = 0, archetype = ROOT_ARCHETYPE }
 					end
 					entity_index.max_id = index
diff --git a/test/benches/visual/spawn.bench.luau b/test/benches/visual/spawn.bench.luau
index 698ff8d..7cb7071 100755
--- a/test/benches/visual/spawn.bench.luau
+++ b/test/benches/visual/spawn.bench.luau
@@ -10,7 +10,6 @@ local mirror = require(ReplicatedStorage.mirror:Clone())
 return {
 	ParameterGenerator = function()
 		local ecs = jecs.world()
-		ecs:range(1000, 20000)
 		local mcs = mirror.World.new()
 		return ecs, mcs
 	end,
@@ -19,14 +18,14 @@ return {
 		Mirror = function(_, ecs, mcs)
 			for i = 1, 100 do
 
-				mcs:entity()
+				local _e = mcs:entity()
 			end
 		end,
 
 		Jecs = function(_, ecs, mcs)
 			for i = 1, 100 do
 
-				ecs:entity()
+				local _e = ecs:entity()
 			end
 		end,
 },
diff --git a/test/tests.luau b/test/tests.luau
index f3cabc6..d50e98b 100755
--- a/test/tests.luau
+++ b/test/tests.luau
@@ -178,15 +178,15 @@ TEST("migrating to real records", function()
 	print(jecs.record(world, e1).row)
 	world:add(e1, jecs.pair(jecs.ChildOf, e2))
 	world:set(e1, jecs.Name, "hello")
-	print(jecs.record(world, e1).row)
-	print(world:get(e1, jecs.Name), world:has(e1, jecs.pair(jecs.ChildOf, jecs.Wildcard)))
+	CHECK(jecs.record(world, e1).row~=0)
+	CHECK(world:get(e1, jecs.Name)=="hello")
+	CHECK(world:has(e1, jecs.pair(jecs.ChildOf, jecs.Wildcard)))
 end)
+
 TEST("e2 is nil", function() 
 	local world = jecs.world(true)
 	local e1 = world:entity(1000)
-	print("-----")
 	local e2 = world:entity()
-	print("-----")
 	
     CHECK(e1 and world:contains(e1))
     CHECK(e2 and world:contains(e2))
diff --git a/wally.toml b/wally.toml
index 44a7844..f82191a 100755
--- a/wally.toml
+++ b/wally.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ukendio/jecs"
-version = "0.10.4"
+version = "0.11.0"
 registry = "https://github.com/UpliftGames/wally-index"
 realm = "shared"
 license = "MIT"