diff --git a/apps/api/src/db/types.ts b/apps/api/src/db/types.ts
index 8c39bb5e..f876d7ce 100644
--- a/apps/api/src/db/types.ts
+++ b/apps/api/src/db/types.ts
@@ -6,8 +6,6 @@ import type {
 } from '@fisch0920/drizzle-orm'
 import type { z } from '@hono/zod-openapi'
 
-import type { UndefinedToNullDeep } from '@/lib/types'
-
 import type * as schema from './schema'
 
 export type Tables = ExtractTablesWithRelations<typeof schema>
@@ -55,11 +53,9 @@ export type ConsumerWithProjectAndDeployment = BuildQueryResult<
 >
 export type RawConsumer = InferSelectModel<typeof schema.consumers>
 export type ConsumerUpdate = Partial<
-  UndefinedToNullDeep<
-    Omit<
-      InferInsertModel<typeof schema.consumers>,
-      'id' | 'projectId' | 'userId' | 'deploymentId'
-    >
+  Omit<
+    InferInsertModel<typeof schema.consumers>,
+    'id' | 'projectId' | 'userId' | 'deploymentId'
   >
 >
 
diff --git a/apps/api/src/lib/billing/upsert-stripe-subscription.ts b/apps/api/src/lib/billing/upsert-stripe-subscription.ts
index 348ea597..e3a7605f 100644
--- a/apps/api/src/lib/billing/upsert-stripe-subscription.ts
+++ b/apps/api/src/lib/billing/upsert-stripe-subscription.ts
@@ -336,7 +336,7 @@ export async function upsertStripeSubscription({
       }
     } else {
       // TODO
-      consumerUpdate.stripeSubscriptionMetricItems![metricSlug] = null
+      delete consumerUpdate.stripeSubscriptionMetricItems![metricSlug]
     }
   }
 
@@ -350,7 +350,7 @@ export async function upsertStripeSubscription({
 
   const [updatedConsumer] = await db
     .update(schema.consumers)
-    .set(consumerUpdate as any) // TODO
+    .set(consumerUpdate)
     .where(eq(schema.consumers.id, consumer.id))
     .returning()
   assert(updatedConsumer, 500, 'Error updating consumer')
diff --git a/apps/api/src/lib/types.ts b/apps/api/src/lib/types.ts
index 18bcfe0b..ea39f9c3 100644
--- a/apps/api/src/lib/types.ts
+++ b/apps/api/src/lib/types.ts
@@ -25,12 +25,18 @@ export type AuthenticatedContext = Context<AuthenticatedEnv>
 //         ? { [K in keyof T]: NullToUndefinedDeep<T[K]> }
 //         : T
 
-export type UndefinedToNullDeep<T> = T extends undefined
-  ? T | null
-  : T extends Date
-    ? T | null
-    : T extends readonly (infer U)[]
-      ? UndefinedToNullDeep<U>[]
-      : T extends object
-        ? { [K in keyof T]: UndefinedToNullDeep<T[K]> }
-        : T | null
+// // TODO: currently unused
+// export type UndefinedToNullDeep<T> = T extends undefined
+//   ? T | null
+//   : T extends Date
+//     ? T | null
+//     : T extends readonly (infer U)[]
+//       ? UndefinedToNullDeep<U>[]
+//       : T extends object
+//         ? { [K in keyof T]: UndefinedToNullDeep<T[K]> }
+//         : T | null
+
+// // TODO: currently unused
+// export type UndefinedValuesToNullableValues<T> = T extends object
+//   ? { [K in keyof T]: T[K] extends undefined ? T[K] | null : T[K] }
+//   : T
diff --git a/eslint.config.js b/eslint.config.js
index 0dabe36f..e3403519 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -5,6 +5,7 @@ export default [
   ...config,
   {
     files: ['**/*.ts', '**/*.tsx'],
+    ignores: ['**/out/**'],
     plugins: {
       drizzle
     },