Roblox remove mesh from game

Question

When I equip my pet I use this code (and it works fine):

local humanoidRootPart = character:WaitForChild('HumanoidRootPart')
local backpackItem = game.ReplicatedStorage.Meshes[pet.Name]:Clone()  
backpackItem.Parent = game.Workspace

RunService.Stepped:Connect(function()
    local location = humanoidRootPart.CFrame
    backpackItem.CFrame = location * CFrame.new(2, 2, 3)
end)

This will add a mesh(pet) over the player shoulder. But if I add a new mesh this will go inside the other mesh. How can I remove the current mesh from the game? If I destroy all the meshes in the mesh folder they still show in the game.

for i,v in pairs(collectionInventory:GetChildren()) do
    v:Destroy()
end

So anyone know how I can remove the current mesh hovering over the players shoulder before I add the new mesh?

Thanks!