diff --git a/lib/tasks/sync_nccu_personal_data_tasks.rake b/lib/tasks/sync_nccu_personal_data_tasks.rake
index 9c98212..e5deac2 100644
--- a/lib/tasks/sync_nccu_personal_data_tasks.rake
+++ b/lib/tasks/sync_nccu_personal_data_tasks.rake
@@ -45,7 +45,6 @@ module NccuSyncPlugin
           jp.paper_title_translations = journal["title"]
           jp.member_profile = mp
           jp.save
-          sleep 0.5
         end
       end
     end
@@ -77,7 +76,6 @@ module NccuSyncPlugin
           wc.paper_title_translations = conference["title"]
           wc.member_profile = mp
           wc.save
-          sleep 0.5
         end
       end
     end
@@ -108,7 +106,6 @@ module NccuSyncPlugin
           res.research_title_translations = research["title"]
           res.member_profile = mp
           res.save
-          sleep 0.1
         end
       end
     end
@@ -140,7 +137,6 @@ module NccuSyncPlugin
           boo.member_profile = mp
           boo.isbn = book["number"]
           boo.save
-          sleep 0.1
         end
       end
     end
@@ -183,7 +179,6 @@ module NccuSyncPlugin
         proj.member_profile = mp
         proj.project_type = pt
         proj.save
-        sleep 0.1
       end
     end
     puts "Projects for staff #{staff_id} completed."
@@ -220,7 +215,6 @@ module NccuSyncPlugin
         hon.honor_type = ht
         hon.member_profile = mp
         hon.save
-        sleep 0.1
       end
     end
     puts "Honors for staff #{staff_id} completed."
@@ -252,7 +246,6 @@ module NccuSyncPlugin
         dip.school_name_translations = diploma["school"]
         dip.member_profile = mp
         dip.save
-        sleep 0.1
       end
     end
     puts "Diplomas for staff #{staff_id} completed."
@@ -291,7 +284,6 @@ module NccuSyncPlugin
         exp.experience_type = et
         exp.member_profile = mp
         exp.save
-        sleep 0.1
       end
     end
     puts "Experiences for staff #{staff_id} completed."