1 files changed, 3 insertions, 17 deletions
diff --git a/app/services/merge_requests/merge_to_ref_service.rb b/app/services/merge_requests/merge_to_ref_service.rb
index 87147d90c32..8670b9ccf3d 100644
--- a/app/services/merge_requests/merge_to_ref_service.rb
+++ b/app/services/merge_requests/merge_to_ref_service.rb
@@ -20,20 +20,14 @@ module MergeRequests
 
       raise_error('Conflicts detected during merge') unless commit_id
 
-      commit = project.commit(commit_id)
-      target_id, source_id = commit.parent_ids
-
-      success(commit_id: commit.id,
-              target_id: target_id,
-              source_id: source_id)
-    rescue MergeError => error
+      success(commit_id: commit_id)
+    rescue MergeError, ArgumentError => error
       error(error.message)
     end
 
     private
 
     def validate!
-      authorization_check!
       error_check!
     end
 
@@ -43,21 +37,13 @@ module MergeRequests
       error =
         if !hooks_validation_pass?(merge_request)
           hooks_validation_error(merge_request)
-        elsif !@merge_request.mergeable_to_ref?
-          "Merge request is not mergeable to #{target_ref}"
-        elsif !source
+        elsif source.blank?
           'No source for merge'
         end
 
       raise_error(error) if error
     end
 
-    def authorization_check!
-      unless Ability.allowed?(current_user, :admin_merge_request, project)
-        raise_error("You are not allowed to merge to this ref")
-      end
-    end
-
     def target_ref
       merge_request.merge_ref_path
     end