Ruby on Rails いいね機能　Routing Errorの解決が出来ません

Routing Error
No route matches [DELETE] "/tweets/4/favorites"

<%= form_with(url: search_tweets_path, local: true, method: :get, class: "search-form") do |form| %>
  <%= form.text_field :keyword, placeholder: "投稿を検索する", class: "search-input" %>
  <%= form.submit "検索", class: "search-btn" %>
<% end %>
<div class="contents row">
  <% @tweets.each do |tweet| %>
    <%= render partial: "tweet", locals: { tweet: tweet } %>
     <tr>
       <td>
        <% if current_user %>
            <% if current_user.already_favorited? (tweet) %>
              <%= link_to  tweet_favorites_path(tweet), method: :delete  do%>
              <i class="fas fa-heart"></i>
            <% end %>
               <%= tweet.favorites.count %>
             <% else %>
               <%= link_to tweet_favorites_path(tweet), method: :post do %>
               <i class="far fa-heart"></i>
             <% end %>
               <%= tweet.favorites.count %>
             <% end %>     
        </td>
      </tr>
    <%end%>
  <% end %>
</div>

Rails.application.routes.draw do
  devise_for :users, controllers: {
   omniauth_callbacks: 'users/omniauth_callbacks',
   registrations: 'users/registrations'
 }
  root to: 'tweets#index'
  resources :tweets do
    resources :favorites, only: [:create, :destroy]
  end

    resources :tweets do
    resources :comments, only: :create
    collection do
      get 'search'
    end
  end
  resources :users
end

class TweetsController < ApplicationController
  before_action :authenticate_user!, except: [:index]
  before_action :set_tweet, only: [:edit, :show]
  before_action :authenticate_user!, only: [:create]



  def index
    @tweets = Tweet.includes(:user).order("created_at DESC")
  end

  def new
    @tweet = Tweet.new
  end

  def create
    Tweet.create(tweet_params)
  end

  def destroy
    tweet = Tweet.find(params[:id])
    tweet.destroy
    redirect_to root_path
  end

  def edit
  end

  def update
    tweet = Tweet.find(params[:id])
    tweet.update(tweet_params)
  end

  def show
    @comment = Comment.new
    @comments = @tweet.comments.includes(:user)
  end

  def search
    @tweets = Tweet.search(params[:keyword])
  end

 private
  def tweet_params
    params.require(:tweet).permit(:title, :iamge, :text).merge(user_id: current_user.id)
  end

  def set_tweet
    @tweet = Tweet.find(params[:id])
  end
end

class TweetsController < ApplicationController
  before_action :authenticate_user!, except: [:index]
  before_action :set_tweet, only: [:edit, :show]
  before_action :authenticate_user!, only: [:create]



  def index
    @tweets = Tweet.includes(:user).order("created_at DESC")
  end

  def new
    @tweet = Tweet.new
  end

  def create
    Tweet.create(tweet_params)
  end

  def destroy
    tweet = Tweet.find(params[:id])
    tweet.destroy
    redirect_to root_path
  end

  def edit
  end

  def update
    tweet = Tweet.find(params[:id])
    tweet.update(tweet_params)
  end

  def show
    @comment = Comment.new
    @comments = @tweet.comments.includes(:user)
  end

  def search
    @tweets = Tweet.search(params[:keyword])
  end

 private
  def tweet_params
    params.require(:tweet).permit(:title, :iamge, :text).merge(user_id: current_user.id)
  end

  def set_tweet
    @tweet = Tweet.find(params[:id])
  end
end