diff --git a/src/Core/Billing/Constants/StripeConstants.cs b/src/Core/Billing/Constants/StripeConstants.cs
index e9c34d7e06..524a819b28 100644
--- a/src/Core/Billing/Constants/StripeConstants.cs
+++ b/src/Core/Billing/Constants/StripeConstants.cs
@@ -70,10 +70,6 @@ public static class StripeConstants
         public const string InvoiceApproved = "invoice_approved";
         public const string OrganizationId = "organizationId";
         public const string PayPalTransactionId = "btPayPalTransactionId";
-        public const string PreviousAdditionalStorage = "previous_additional_storage";
-        public const string PreviousPeriodEndDate = "previous_period_end_date";
-        public const string PreviousPremiumPriceId = "previous_premium_price_id";
-        public const string PreviousPremiumUserId = "previous_premium_user_id";
         public const string ProviderId = "providerId";
         public const string Region = "region";
         public const string RetiredBraintreeCustomerId = "btCustomerId_old";
diff --git a/src/Core/Billing/Premium/Commands/UpgradePremiumToOrganizationCommand.cs b/src/Core/Billing/Premium/Commands/UpgradePremiumToOrganizationCommand.cs
index 81bc5c9e2c..9e573fac53 100644
--- a/src/Core/Billing/Premium/Commands/UpgradePremiumToOrganizationCommand.cs
+++ b/src/Core/Billing/Premium/Commands/UpgradePremiumToOrganizationCommand.cs
@@ -2,7 +2,6 @@
 using Bit.Core.Billing.Commands;
 using Bit.Core.Billing.Constants;
 using Bit.Core.Billing.Enums;
-using Bit.Core.Billing.Extensions;
 using Bit.Core.Billing.Pricing;
 using Bit.Core.Billing.Services;
 using Bit.Core.Entities;
@@ -96,9 +95,6 @@ public class UpgradePremiumToOrganizationCommand(
         var storageItem = currentSubscription.Items.Data.FirstOrDefault(i =>
             i.Price.Id == usersPremiumPlan.Storage.StripePriceId);
 
-        // Capture the previous additional storage quantity for potential revert
-        var previousAdditionalStorage = storageItem?.Quantity ?? 0;
-
         if (storageItem != null)
         {
             subscriptionItemOptions.Add(new SubscriptionItemOptions
@@ -133,14 +129,10 @@ public class UpgradePremiumToOrganizationCommand(
         var subscriptionUpdateOptions = new SubscriptionUpdateOptions
         {
             Items = subscriptionItemOptions,
-            ProrationBehavior = StripeConstants.ProrationBehavior.None,
+            ProrationBehavior = StripeConstants.ProrationBehavior.CreateProrations,
             Metadata = new Dictionary<string, string>
             {
                 [StripeConstants.MetadataKeys.OrganizationId] = organizationId.ToString(),
-                [StripeConstants.MetadataKeys.PreviousPremiumPriceId] = usersPremiumPlan.Seat.StripePriceId,
-                [StripeConstants.MetadataKeys.PreviousPeriodEndDate] = currentSubscription.GetCurrentPeriodEnd()?.ToString("O") ?? string.Empty,
-                [StripeConstants.MetadataKeys.PreviousAdditionalStorage] = previousAdditionalStorage.ToString(),
-                [StripeConstants.MetadataKeys.PreviousPremiumUserId] = user.Id.ToString(),
                 [StripeConstants.MetadataKeys.UserId] = string.Empty // Remove userId to unlink subscription from User
             }
         };
diff --git a/test/Core.Test/Billing/Premium/Commands/UpgradePremiumToOrganizationCommandTests.cs b/test/Core.Test/Billing/Premium/Commands/UpgradePremiumToOrganizationCommandTests.cs
index e686d04009..ea07c7f81d 100644
--- a/test/Core.Test/Billing/Premium/Commands/UpgradePremiumToOrganizationCommandTests.cs
+++ b/test/Core.Test/Billing/Premium/Commands/UpgradePremiumToOrganizationCommandTests.cs
@@ -392,11 +392,6 @@ public class UpgradePremiumToOrganizationCommandTests
             "sub_123",
             Arg.Is<SubscriptionUpdateOptions>(opts =>
                 opts.Metadata.ContainsKey(StripeConstants.MetadataKeys.OrganizationId) &&
-                opts.Metadata.ContainsKey(StripeConstants.MetadataKeys.PreviousPremiumPriceId) &&
-                opts.Metadata[StripeConstants.MetadataKeys.PreviousPremiumPriceId] == "premium-annually" &&
-                opts.Metadata.ContainsKey(StripeConstants.MetadataKeys.PreviousPeriodEndDate) &&
-                opts.Metadata.ContainsKey(StripeConstants.MetadataKeys.PreviousAdditionalStorage) &&
-                opts.Metadata[StripeConstants.MetadataKeys.PreviousAdditionalStorage] == "0" &&
                 opts.Metadata.ContainsKey(StripeConstants.MetadataKeys.UserId) &&
                 opts.Metadata[StripeConstants.MetadataKeys.UserId] == string.Empty)); // Removes userId to unlink from User
     }
@@ -598,8 +593,6 @@ public class UpgradePremiumToOrganizationCommandTests
         await _stripeAdapter.Received(1).UpdateSubscriptionAsync(
             "sub_123",
             Arg.Is<SubscriptionUpdateOptions>(opts =>
-                opts.Metadata.ContainsKey(StripeConstants.MetadataKeys.PreviousAdditionalStorage) &&
-                opts.Metadata[StripeConstants.MetadataKeys.PreviousAdditionalStorage] == "5" &&
                 opts.Items.Count == 3 && // 2 deleted (premium + storage) + 1 new seat
                 opts.Items.Count(i => i.Deleted == true) == 2));
     }