diff --git a/lib/tasks/sync_mulan_repo.rake b/lib/tasks/sync_mulan_repo.rake
deleted file mode 100644
index baa1366b..00000000
--- a/lib/tasks/sync_mulan_repo.rake
+++ /dev/null
@@ -1,7 +0,0 @@
-desc "create mulan mirror repository"
-namespace :create_mulan_repo do 
-  task init: :environment do 
-    doc = SimpleXlsxReader.open("#{Rails.root}/public/mulan_repo.xlsx")
-    data = doc.sheets.first.rows
-  end
-end
\ No newline at end of file
diff --git a/public/mulan_repo.xlsx b/public/mulan_repo.xlsx
deleted file mode 100644
index 1c9e4585..00000000
Binary files a/public/mulan_repo.xlsx and /dev/null differ