diff --git a/backend/src/modules/households/routes.ts b/backend/src/modules/households/routes.ts
index b11253b..a8a5cb6 100644
--- a/backend/src/modules/households/routes.ts
+++ b/backend/src/modules/households/routes.ts
@@ -30,10 +30,7 @@ import {
   type HouseholdInvite,
 } from './types.js';
 
-// TODO-010: Import PRODUCT_ID from product-config instead of hardcoding
-// Priority: low | Phase: cleanup
-// Replace this line with: import { PRODUCT_ID } from '../../lib/product-config.js';
-const PRODUCT_ID = 'chronomind';
+import { PRODUCT_ID } from '../../lib/product-config.js';
 
 function isAdmin(household: HouseholdDoc, userId: string): boolean {
   return household.members.some(m => m.userId === userId && m.role === 'admin');
diff --git a/backend/src/modules/routines/routes.ts b/backend/src/modules/routines/routes.ts
index ae27d4d..f624b97 100644
--- a/backend/src/modules/routines/routes.ts
+++ b/backend/src/modules/routines/routes.ts
@@ -24,10 +24,7 @@ import {
   type RoutineDoc,
 } from './types.js';
 
-// TODO-010: Import PRODUCT_ID from product-config instead of hardcoding
-// Priority: low | Phase: cleanup
-// Replace this line with: import { PRODUCT_ID } from '../../lib/product-config.js';
-const PRODUCT_ID = 'chronomind';
+import { PRODUCT_ID } from '../../lib/product-config.js';
 
 export async function routineRoutes(app: FastifyInstance) {
   // Sync — must be before :id param route
diff --git a/backend/src/modules/shared-timers/routes.ts b/backend/src/modules/shared-timers/routes.ts
index fc6765f..5ec4b26 100644
--- a/backend/src/modules/shared-timers/routes.ts
+++ b/backend/src/modules/shared-timers/routes.ts
@@ -25,10 +25,7 @@ import {
   type SharedTimerDoc,
 } from './types.js';
 
-// TODO-010: Import PRODUCT_ID from product-config instead of hardcoding
-// Priority: low | Phase: cleanup
-// Replace this line with: import { PRODUCT_ID } from '../../lib/product-config.js';
-const PRODUCT_ID = 'chronomind';
+import { PRODUCT_ID } from '../../lib/product-config.js';
 
 async function requireMembership(householdId: string, userId: string) {
   const household = await getHousehold(householdId);
diff --git a/backend/src/modules/timers/routes.ts b/backend/src/modules/timers/routes.ts
index 4117853..d8fb6bf 100644
--- a/backend/src/modules/timers/routes.ts
+++ b/backend/src/modules/timers/routes.ts
@@ -28,11 +28,7 @@ import {
   type FreeSlot,
 } from './types.js';
 
-// TODO-010: Import PRODUCT_ID from product-config instead of hardcoding
-// Priority: low | Phase: cleanup
-// Replace this line with: import { PRODUCT_ID } from '../../lib/product-config.js';
-// Same fix needed in: routines/routes.ts, households/routes.ts, webhooks/routes.ts, shared-timers/routes.ts
-const PRODUCT_ID = 'chronomind';
+import { PRODUCT_ID } from '../../lib/product-config.js';
 
 export async function timerRoutes(app: FastifyInstance) {
   // Sync — must be before :id param route
diff --git a/backend/src/modules/webhooks/routes.ts b/backend/src/modules/webhooks/routes.ts
index 7d5f82f..542248d 100644
--- a/backend/src/modules/webhooks/routes.ts
+++ b/backend/src/modules/webhooks/routes.ts
@@ -10,10 +10,7 @@ import { dispatchEvent } from './dispatcher.js';
 import { extractAuth } from '../../lib/auth.js';
 import { BadRequestError } from '@bytelyst/errors';
 
-// TODO-010: Import PRODUCT_ID from product-config instead of hardcoding
-// Priority: low | Phase: cleanup
-// Replace this line with: import { PRODUCT_ID } from '../../lib/product-config.js';
-const PRODUCT_ID = 'chronomind';
+import { PRODUCT_ID } from '../../lib/product-config.js';
 
 export async function webhookRoutes(app: FastifyInstance) {
   // Event types — must be before :id param route