diff --git a/enterprise/app/services/enterprise/billing/concerns/plan_feature_manager.rb b/enterprise/app/services/enterprise/billing/concerns/plan_feature_manager.rb
index 228209a1f..7ade73e77 100644
--- a/enterprise/app/services/enterprise/billing/concerns/plan_feature_manager.rb
+++ b/enterprise/app/services/enterprise/billing/concerns/plan_feature_manager.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 module Enterprise::Billing::Concerns::PlanFeatureManager
   extend ActiveSupport::Concern
 
diff --git a/enterprise/app/services/enterprise/billing/v2/change_plan_service.rb b/enterprise/app/services/enterprise/billing/v2/change_plan_service.rb
index ec2dc123e..e300b83e7 100644
--- a/enterprise/app/services/enterprise/billing/v2/change_plan_service.rb
+++ b/enterprise/app/services/enterprise/billing/v2/change_plan_service.rb
@@ -13,8 +13,7 @@ class Enterprise::Billing::V2::ChangePlanService < Enterprise::Billing::V2::Base
 
     with_locked_account do
       billing_intent = create_change_plan_intent(new_pricing_plan_id, quantity)
-      reserved_intent = reserve_billing_intent(billing_intent)
-      handle_payment_if_needed(reserved_intent)
+      reserve_billing_intent(billing_intent)
       commit_billing_intent(billing_intent)
       update_account_plan(new_pricing_plan_id, quantity)
       success_response(new_pricing_plan_id, quantity)
@@ -94,35 +93,6 @@ class Enterprise::Billing::V2::ChangePlanService < Enterprise::Billing::V2::Base
     )
   end
 
-  def handle_payment_if_needed(reserved_intent)
-    # Check if there's a proration charge that needs to be paid
-    total_amount = extract_attribute(reserved_intent['amount_details'], 'total')
-    return if total_amount.nil? || total_amount.to_i <= 0
-
-    # Get customer's default payment method
-    stripe_customer_id = custom_attribute('stripe_customer_id')
-    raise StandardError, 'No Stripe customer ID found' if stripe_customer_id.blank?
-
-    customer = Stripe::Customer.retrieve(stripe_customer_id)
-    payment_method_id = customer.invoice_settings&.default_payment_method
-
-    raise StandardError, 'No default payment method found. Please add a payment method first.' if payment_method_id.blank?
-
-    # Create and confirm payment intent for proration charge
-    Stripe::PaymentIntent.create({
-                                   amount: total_amount.to_i,
-                                   currency: 'usd',
-                                   customer: stripe_customer_id,
-                                   payment_method: payment_method_id,
-                                   confirm: true,
-                                   automatic_payment_methods: { enabled: true, allow_redirects: 'never' },
-                                   metadata: {
-                                     account_id: account.id,
-                                     type: 'plan_change_proration'
-                                   }
-                                 })
-  end
-
   def commit_billing_intent(billing_intent)
     StripeV2Client.request(
       :post,
diff --git a/enterprise/app/services/messages/audio_transcription_service.rb b/enterprise/app/services/messages/audio_transcription_service.rb
index 725d5ef0e..278f41d71 100644
--- a/enterprise/app/services/messages/audio_transcription_service.rb
+++ b/enterprise/app/services/messages/audio_transcription_service.rb
@@ -15,10 +15,6 @@ class Messages::AudioTranscriptionService < Llm::BaseOpenAiService
     transcriptions = transcribe_audio
     Rails.logger.info "Audio transcription successful: #{transcriptions}"
     { success: true, transcriptions: transcriptions }
-  rescue StandardError => e
-    # Refund credit if transcription failed
-    refund_credit
-    raise e
   end
 
   private
@@ -30,20 +26,6 @@ class Messages::AudioTranscriptionService < Llm::BaseOpenAiService
     account.usage_limits[:captain][:responses][:current_available].positive?
   end
 
-  def refund_credit
-    credit_service = Enterprise::Ai::CaptainCreditService.new(account: account)
-    credit_service.check_and_use_credits(
-      feature: 'ai_audio_transcription',
-      amount: -1, # Negative to refund
-      metadata: {
-        'message_id' => message.id,
-        'attachment_id' => attachment.id,
-        'conversation_id' => message.conversation_id,
-        'refund' => true
-      }
-    )
-  end
-
   def fetch_audio_file
     temp_dir = Rails.root.join('tmp/uploads')
     FileUtils.mkdir_p(temp_dir)