How do i hide the health bar?

I dont no how to hide health bar anyone help?

function onPlayerEntered(newPlayer) 
	wait(.5) 
newPlayer.PlayerGui.HealthBar:remove()
end 
game.Players.ChildAdded:connect(onPlayerEntered) 

EDIT: Roblox Does not have a Health Gui in PlayerGui anymore. They did some kind of wacky new way to do the health gui. DARN THE ROBLOX UPDATES.

Please don't hate me for typing this kind of script, because I'm trying to figure this out myself;

game:service("StarterGui"):SetCoreGuiEnabled("HealthGUI",false) --This may not work

The health bar gui or the health bar above someones head? If it is above someones head then set the reals head transparency to 1, then clone the head (not transparent) and insert a weld into the clone that welds it to the real head.

For example:

realHead = game.Workspace:findFirstChild("YourModelHere"):findFirstChild("Head")
fakeHead = realHead:Clone()
fakeHead.Parent = Workspace
realHead.Transparency = 1
weld = Instance.new("Weld",realHead)
weld.Part1 = realHead
weld.Part0 = fakeHead

A little different if it's a player.

local character = Game.Workspace.CharacterHere --just replace CharacterHere with your character name.

local head = character.Head
local cHead = head:Clone()
head.Transparency = 1
cHead.Name = "Part"
cHead.Parent = character

local weld = Instance.new("Weld")
weld.Part0 = head
weld.Part1 = cHead
weld.Parent = head