diff --git a/CHANGELOG b/CHANGELOG
index dfee55d963bcb5dfadae8227037167850c061821..f7032f52bc0124bd0b4dd46b182400396284f893 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -28,6 +28,7 @@ v 8.4.0 (unreleased)
   - Ajax filter by message for commits page
 
 v 8.3.3 (unreleased)
+  - Fix duplicated branch creation/deletion events when using Web UI (Stan Hu)
   - Get "Merge when build succeeds" to work when commits were pushed to MR target branch while builds were running
   - Fix project transfer e-mail sending incorrect paths in e-mail notification (Stan Hu)
   - Enable "Add key" button when user fills in a proper key (Stan Hu)
diff --git a/app/services/create_branch_service.rb b/app/services/create_branch_service.rb
index f139872c728ec618300c9a354ff6dffa5a176d85..c0e08a151f208f1198bca24772ed9e4d70ef8311 100644
--- a/app/services/create_branch_service.rb
+++ b/app/services/create_branch_service.rb
@@ -31,7 +31,6 @@ class CreateBranchService < BaseService
     if new_branch
       push_data = build_push_data(project, current_user, new_branch)
 
-      EventCreateService.new.push(project, current_user, push_data)
       project.execute_hooks(push_data.dup, :push_hooks)
       project.execute_services(push_data.dup, :push_hooks)
 
diff --git a/app/services/delete_branch_service.rb b/app/services/delete_branch_service.rb
index 22bf9dd935e7122d77717c1372e86cba7e68f632..004b3ce7286ed674065e7c595e0c6e3eb2e62473 100644
--- a/app/services/delete_branch_service.rb
+++ b/app/services/delete_branch_service.rb
@@ -27,7 +27,6 @@ class DeleteBranchService < BaseService
     if repository.rm_branch(current_user, branch_name)
       push_data = build_push_data(branch)
 
-      EventCreateService.new.push(project, current_user, push_data)
       project.execute_hooks(push_data.dup, :push_hooks)
       project.execute_services(push_data.dup, :push_hooks)