2 files changed, 1 insertions, 4 deletions

diff --git a/.gitignore b/.gitignore
index 39a6f31..389225b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@ tmp/*
 .rvmrc
 coverage/*
 .ruby-version
+/vendor
\ No newline at end of file
diff --git a/lib/charts.rb b/lib/charts.rb
index e08b639..b608324 100644
--- a/lib/charts.rb
+++ b/lib/charts.rb
@@ -62,10 +62,6 @@ module Charts
         sql = 'UNIX_TIMESTAMP(finished_at) - UNIX_TIMESTAMP(started_at) as duration'
       end
       result = project.builds.order(:finished_at).limit(30).pluck(sql)
-      result.each do |b|
-        @labels << i
-        @build << project.builds.select('DATEDIFF(second, started_at, finished_at) as duration').all
-      end
     end
   end
 end