diff --git a/goss-cleanup.rb b/goss-cleanup.rb
new file mode 100644
index 0000000..09f03a6
--- /dev/null
+++ b/goss-cleanup.rb
@@ -0,0 +1,80 @@
+require File.expand_path("../../../config/environment", __FILE__)
+
+class GossamerForumsCleaner
+  def perform_cleanup
+    puts "Cleaning up imported users..."
+
+    # Find all users imported from Gossamer Forums and delete them
+    UserCustomField.where(name: 'original_gossamer_id').each do |field|
+      user = User.find_by(id: field.user_id)
+      if user
+        puts "Deleting user #{user.username} (ID: #{user.id})"
+        user.destroy
+      end
+    end
+
+    puts "Cleaning up imported categories..."
+    # Find all categories that were imported and delete them
+    CategoryCustomField.where(name: 'original_gossamer_id').each do |field|
+      category = Category.find_by(id: field.category_id)
+      if category
+        puts "Deleting category #{category.name} (ID: #{category.id})"
+        category.destroy
+      end
+    end
+
+    puts "Cleaning up imported topics and posts..."
+    # Find all topics that were imported and delete them
+    TopicCustomField.where(name: 'original_gossamer_id').each do |field|
+      topic = Topic.find_by(id: field.topic_id)
+      if topic
+        puts "Deleting topic #{topic.title} (ID: #{topic.id})"
+        topic.posts.each do |post|
+          puts "Deleting post #{post.id} in topic #{topic.id}"
+          post.destroy
+        end
+        topic.destroy
+      end
+    end
+
+    # Find all posts that were imported and delete them
+    PostCustomField.where(name: 'original_gossamer_id').each do |field|
+      post = Post.find_by(id: field.post_id)
+      if post
+        puts "Deleting post #{post.id} (ID: #{post.id})"
+        post.destroy
+      end
+    end
+
+    puts "Cleaning up imported personal messages..."
+    # Find all personal messages (inbox) that were imported and delete them
+    TopicCustomField.where(name: 'original_gossamer_msg_id').each do |field|
+      topic = Topic.find_by(id: field.topic_id)
+      if topic
+        puts "Deleting personal message topic #{topic.title} (ID: #{topic.id})"
+        topic.posts.each do |post|
+          puts "Deleting post #{post.id} in personal message topic #{topic.id}"
+          post.destroy
+        end
+        topic.destroy
+      end
+    end
+
+    # Find all sent personal messages that were imported and delete them
+    TopicCustomField.where(name: 'original_gossamer_sent_msg_id').each do |field|
+      topic = Topic.find_by(id: field.topic_id)
+      if topic
+        puts "Deleting sent personal message topic #{topic.title} (ID: #{topic.id})"
+        topic.posts.each do |post|
+          puts "Deleting post #{post.id} in sent personal message topic #{topic.id}"
+          post.destroy
+        end
+        topic.destroy
+      end
+    end
+
+    puts "Cleanup complete!"
+  end
+end
+
+GossamerForumsCleaner.new.perform_cleanup