diff --git a/lib/twitter/api/undocumented.rb b/lib/twitter/api/undocumented.rb
index 92274dc65..e2f481c84 100644
--- a/lib/twitter/api/undocumented.rb
+++ b/lib/twitter/api/undocumented.rb
@@ -38,45 +38,6 @@ def following_followers_of(*args)
         cursor_from_response_with_user(:users, Twitter::User, :get, "/users/following_followers_of.json", args, :following_followers_of)
       end
 
-      # Returns activity summary for a Tweet
-      #
-      # @note Undocumented
-      # @rate_limited Yes
-      # @authentication Requires user context
-      # @raise [Twitter::Error::Unauthorized] Error raised when supplied user credentials are not valid.
-      # @return [Twitter::Tweet] The requested Tweet.
-      # @param id [Integer] A Tweet ID.
-      # @param options [Hash] A customizable set of options.
-      # @example Return activity summary for the Tweet with the ID 25938088801
-      #   Twitter.status_activity(25938088801)
-      def status_activity(id, options={})
-        response = get("/i/statuses/#{id}/activity/summary.json", options)
-        response[:body].merge!(:id => id) if response[:body]
-        Twitter::Tweet.from_response(response)
-      end
-      alias tweet_activity status_activity
-
-      # Returns activity summary for Tweets
-      #
-      # @note Undocumented
-      # @rate_limited Yes
-      # @authentication Requires user context
-      # @raise [Twitter::Error::Unauthorized] Error raised when supplied user credentials are not valid.
-      # @return [Array<Twitter::Tweet>] The requested Tweets.
-      # @overload statuses_activity(*ids)
-      #   @param ids [Array<Integer>, Set<Integer>] An array of Tweet IDs.
-      #   @example Return activity summary for the Tweet with the ID 25938088801
-      #     Twitter.statuses_activity(25938088801)
-      # @overload statuses_activity(*ids, options)
-      #   @param ids [Array<Integer>, Set<Integer>] An array of Tweet IDs.
-      #   @param options [Hash] A customizable set of options.
-      def statuses_activity(*args)
-        arguments = Twitter::API::Arguments.new(args)
-        arguments.flatten.threaded_map do |id|
-          status_activity(id, arguments.options)
-        end
-      end
-
       # Returns Tweets count for a URL
       #
       # @note Undocumented
diff --git a/spec/fixtures/activity_summary.json b/spec/fixtures/activity_summary.json
deleted file mode 100644
index 714c5b8c7..000000000
--- a/spec/fixtures/activity_summary.json
+++ /dev/null
@@ -1 +0,0 @@
-{"retweeters_count":"1","repliers":[15395778],"retweeters":[5407632],"favoriters_count":"2","repliers_count":"1","favoriters":[5407632,15395778]}
\ No newline at end of file
diff --git a/spec/twitter/api/undocumented_spec.rb b/spec/twitter/api/undocumented_spec.rb
index 53204c967..3990cb961 100644
--- a/spec/twitter/api/undocumented_spec.rb
+++ b/spec/twitter/api/undocumented_spec.rb
@@ -80,38 +80,7 @@
     end
   end
 
-  describe "#status_activity" do
-    before do
-      stub_get("/i/statuses/25938088801/activity/summary.json").to_return(:body => fixture("activity_summary.json"), :headers => {:content_type => "application/json; charset=utf-8"})
-    end
-    it "requests the correct resource" do
-      @client.status_activity(25938088801)
-      expect(a_get("/i/statuses/25938088801/activity/summary.json")).to have_been_made
-    end
-    it "returns a Tweet" do
-      tweet = @client.status_activity(25938088801)
-      expect(tweet).to be_a Twitter::Tweet
-      expect(tweet.retweeters_count).to eq 1
-    end
-  end
-
-  describe "#statuses_activity" do
-    before do
-      stub_get("/i/statuses/25938088801/activity/summary.json").to_return(:body => fixture("activity_summary.json"), :headers => {:content_type => "application/json; charset=utf-8"})
-    end
-    it "requests the correct resource" do
-      @client.statuses_activity(25938088801)
-      expect(a_get("/i/statuses/25938088801/activity/summary.json")).to have_been_made
-    end
-    it "returns an array of Tweets" do
-      tweets = @client.statuses_activity(25938088801)
-      expect(tweets).to be_an Array
-      expect(tweets.first).to be_a Twitter::Tweet
-      expect(tweets.first.retweeters_count).to eq 1
-    end
-  end
-
-  describe "#statuses_activity" do
+  describe "#tweet_count" do
     before do
       stub_request(:get, "https://cdn.api.twitter.com/1/urls/count.json").with(:query => {:url => "http://twitter.com"}).to_return(:body => fixture("count.json"), :headers => {:content_type => "application/json; charset=utf-8"})
     end