1 files changed, 3 insertions, 51 deletions
diff --git a/lib/bulk_imports/stage.rb b/lib/bulk_imports/stage.rb
index b1bceecbaea..103623cd030 100644
--- a/lib/bulk_imports/stage.rb
+++ b/lib/bulk_imports/stage.rb
@@ -2,55 +2,8 @@
 
 module BulkImports
   class Stage
-    include Singleton
-
-    CONFIG = {
-      group: {
-        pipeline: BulkImports::Groups::Pipelines::GroupPipeline,
-        stage: 0
-      },
-      avatar: {
-        pipeline: BulkImports::Groups::Pipelines::GroupAvatarPipeline,
-        stage: 1
-      },
-      subgroups: {
-        pipeline: BulkImports::Groups::Pipelines::SubgroupEntitiesPipeline,
-        stage: 1
-      },
-      members: {
-        pipeline: BulkImports::Groups::Pipelines::MembersPipeline,
-        stage: 1
-      },
-      labels: {
-        pipeline: BulkImports::Groups::Pipelines::LabelsPipeline,
-        stage: 1
-      },
-      milestones: {
-        pipeline: BulkImports::Groups::Pipelines::MilestonesPipeline,
-        stage: 1
-      },
-      badges: {
-        pipeline: BulkImports::Groups::Pipelines::BadgesPipeline,
-        stage: 1
-      },
-      boards: {
-        pipeline: BulkImports::Groups::Pipelines::BoardsPipeline,
-        stage: 2
-      },
-      finisher: {
-        pipeline: BulkImports::Groups::Pipelines::EntityFinisher,
-        stage: 3
-      }
-    }.freeze
-
     def self.pipelines
-      instance.pipelines
-    end
-
-    def self.pipeline_exists?(name)
-      pipelines.any? do |(_, pipeline)|
-        pipeline.to_s == name.to_s
-      end
+      new.pipelines
     end
 
     def pipelines
@@ -65,9 +18,8 @@ module BulkImports
     private
 
     def config
-      @config ||= CONFIG
+      # To be implemented in a sub-class
+      NotImplementedError
     end
   end
 end
-
-::BulkImports::Stage.prepend_mod_with('BulkImports::Stage')