diff --git a/app/controllers/slack_uploads_controller.rb b/app/controllers/slack_uploads_controller.rb
index 6f157c7d5..127e77649 100644
--- a/app/controllers/slack_uploads_controller.rb
+++ b/app/controllers/slack_uploads_controller.rb
@@ -17,12 +17,7 @@ class SlackUploadsController < ApplicationController
   end
 
   def blob_url
-    # Only generate representations for images
-    if @blob.content_type.start_with?('image/')
-      url_for(@blob.representation(resize_to_fill: [250, nil]))
-    else
-      url_for(@blob)
-    end
+    url_for(@blob.representation(resize_to_fill: [250, nil]))
   end
 
   def avatar_url
diff --git a/app/models/attachment.rb b/app/models/attachment.rb
index 8c5750148..fd114c38c 100644
--- a/app/models/attachment.rb
+++ b/app/models/attachment.rb
@@ -60,9 +60,11 @@ class Attachment < ApplicationRecord
   end
 
   def thumb_url
-    return '' unless file.attached? && image?
-
-    url_for(file.representation(resize_to_fill: [250, nil]))
+    if file.attached? && file.representable?
+      url_for(file.representation(resize_to_fill: [250, nil]))
+    else
+      ''
+    end
   end
 
   def with_attached_file?
diff --git a/config/application.rb b/config/application.rb
index 92dd9a011..5316e65bf 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -61,9 +61,6 @@ module Chatwoot
     # https://discuss.rubyonrails.org/t/cve-2022-32224-possible-rce-escalation-bug-with-serialized-columns-in-active-record/81017
     # FIX ME : fixes breakage of installation config. we need to migrate.
     config.active_record.yaml_column_permitted_classes = [ActiveSupport::HashWithIndifferentAccess]
-
-    # Disable PDF/video preview generation as we don't use them
-    config.active_storage.previewers = []
   end
 
   def self.config
diff --git a/spec/models/attachment_spec.rb b/spec/models/attachment_spec.rb
index 0b03a56ad..241125538 100644
--- a/spec/models/attachment_spec.rb
+++ b/spec/models/attachment_spec.rb
@@ -68,22 +68,6 @@ RSpec.describe Attachment do
     end
   end
 
-  describe 'thumb_url' do
-    it 'returns empty string for non-image attachments' do
-      attachment = message.attachments.new(account_id: message.account_id, file_type: :file)
-      attachment.file.attach(io: StringIO.new('fake pdf'), filename: 'test.pdf', content_type: 'application/pdf')
-
-      expect(attachment.thumb_url).to eq('')
-    end
-
-    it 'generates thumb_url for image attachments' do
-      attachment = message.attachments.create!(account_id: message.account_id, file_type: :image)
-      attachment.file.attach(io: StringIO.new('fake image'), filename: 'test.jpg', content_type: 'image/jpeg')
-
-      expect(attachment.thumb_url).to be_present
-    end
-  end
-
   describe 'meta data handling' do
     let(:message) { create(:message) }