diff --git a/packages/backend/src/db/schema/rbac.ts b/packages/backend/src/db/schema/rbac.ts
index 4926d0e..d6b871d 100644
--- a/packages/backend/src/db/schema/rbac.ts
+++ b/packages/backend/src/db/schema/rbac.ts
@@ -1,4 +1,4 @@
-import { pgTable, uuid, varchar, text, timestamp, boolean, uniqueIndex } from 'drizzle-orm/pg-core'
+import { pgTable, uuid, varchar, text, timestamp, boolean } from 'drizzle-orm/pg-core'
 import { users } from './users.js'
 
 export const permissions = pgTable('permission', {
diff --git a/packages/backend/src/db/schema/users.ts b/packages/backend/src/db/schema/users.ts
index 3f8fea0..2e9ea26 100644
--- a/packages/backend/src/db/schema/users.ts
+++ b/packages/backend/src/db/schema/users.ts
@@ -1,4 +1,4 @@
-import { pgTable, uuid, varchar, timestamp, pgEnum, uniqueIndex, boolean } from 'drizzle-orm/pg-core'
+import { pgTable, uuid, varchar, timestamp, pgEnum, boolean } from 'drizzle-orm/pg-core'
 
 export const userRoleEnum = pgEnum('user_role', [
   'admin',
diff --git a/packages/backend/src/db/seeds/music-store-seed.ts b/packages/backend/src/db/seeds/music-store-seed.ts
index 8c17853..4b58f81 100644
--- a/packages/backend/src/db/seeds/music-store-seed.ts
+++ b/packages/backend/src/db/seeds/music-store-seed.ts
@@ -950,17 +950,6 @@ async function seedInventory(sql: any) {
   console.log('  Inventory seed complete.')
 }
 
-// Returns dates (YYYY-MM-DD) for every occurrence of `dayOfWeek` (0=Sun)
-// starting from `startDate`, for `count` weeks.
-function weeklyDates(startDate: string, dayOfWeek: number, count: number): string[] {
-  const d = new Date(startDate + 'T12:00:00Z')
-  while (d.getUTCDay() !== dayOfWeek) d.setUTCDate(d.getUTCDate() + 1)
-  return Array.from({ length: count }, (_, i) => {
-    const nd = new Date(d)
-    nd.setUTCDate(nd.getUTCDate() + i * 7)
-    return nd.toISOString().split('T')[0]
-  })
-}
 
 async function seedLessons(sql: any) {
   console.log('\nSeeding lessons data...')
diff --git a/packages/backend/src/plugins/auth.ts b/packages/backend/src/plugins/auth.ts
index 7ab1562..b5222bc 100644
--- a/packages/backend/src/plugins/auth.ts
+++ b/packages/backend/src/plugins/auth.ts
@@ -84,7 +84,7 @@ export const authPlugin = fp(async (app) => {
       // Load permissions from DB and expand with inheritance
       const permSlugs = await RbacService.getUserPermissions(app.db, request.user.id)
       request.permissions = expandPermissions(permSlugs)
-    } catch (_err) {
+    } catch {
       reply.status(401).send({ error: { message: 'Unauthorized', statusCode: 401 } })
     }
   })
diff --git a/packages/backend/src/routes/v1/storage.ts b/packages/backend/src/routes/v1/storage.ts
index 33420be..4c9db77 100644
--- a/packages/backend/src/routes/v1/storage.ts
+++ b/packages/backend/src/routes/v1/storage.ts
@@ -115,7 +115,6 @@ export const storageRoutes: FastifyPluginAsync = async (app) => {
   app.delete('/storage/folder-permissions/:id', { preHandler: [app.authenticate, app.requirePermission('files.delete')] }, async (request, reply) => {
     const { id } = request.params as { id: string }
     // Look up the permission to find which folder it belongs to
-    const existing = await StoragePermissionService.listPermissions(app.db, id)
     // listPermissions takes folderId, we need to find by perm id — use removePermission which fetches first
     const perm = await StoragePermissionService.getPermissionById(app.db, id)
     if (!perm) return reply.status(404).send({ error: { message: 'Permission not found', statusCode: 404 } })
diff --git a/packages/backend/src/routes/webdav/index.ts b/packages/backend/src/routes/webdav/index.ts
index 01eb071..3a57457 100644
--- a/packages/backend/src/routes/webdav/index.ts
+++ b/packages/backend/src/routes/webdav/index.ts
@@ -1,4 +1,4 @@
-import type { FastifyPluginAsync, FastifyRequest, FastifyReply } from 'fastify'
+import type { FastifyPluginAsync, FastifyRequest } from 'fastify'
 import { webdavBasicAuth } from '../../plugins/webdav-auth.js'
 import { WebDavService } from '../../services/webdav.service.js'
 import { StoragePermissionService, StorageFolderService, StorageFileService } from '../../services/storage.service.js'
diff --git a/packages/backend/src/services/product.service.ts b/packages/backend/src/services/product.service.ts
index ca3620b..71c8ab6 100644
--- a/packages/backend/src/services/product.service.ts
+++ b/packages/backend/src/services/product.service.ts
@@ -1,4 +1,4 @@
-import { eq, and, count, desc, lte, sql, type Column } from 'drizzle-orm'
+import { eq, and, count, desc, sql, type Column } from 'drizzle-orm'
 import type { PostgresJsDatabase } from 'drizzle-orm/postgres-js'
 import { products, inventoryUnits, priceHistory as priceHistoryTable, productSuppliers, suppliers, stockReceipts } from '../db/schema/inventory.js'
 import { ValidationError } from '../lib/errors.js'
diff --git a/packages/backend/src/services/storage.service.ts b/packages/backend/src/services/storage.service.ts
index 0b5fbcd..f0f67a8 100644
--- a/packages/backend/src/services/storage.service.ts
+++ b/packages/backend/src/services/storage.service.ts
@@ -1,4 +1,4 @@
-import { eq, and, count, ilike, inArray, or, isNull, type Column } from 'drizzle-orm'
+import { eq, and, count, ilike, inArray, isNull, type Column } from 'drizzle-orm'
 import type { PostgresJsDatabase } from 'drizzle-orm/postgres-js'
 import { storageFolders, storageFolderPermissions, storageFiles } from '../db/schema/storage.js'
 import { userRoles } from '../db/schema/rbac.js'
@@ -229,15 +229,6 @@ export const StoragePermissionService = {
 
       let hasOtherPerms = false
       if (descendantIds.length > 0) {
-        const [otherPerm] = await db.select({ id: storageFolderPermissions.id }).from(storageFolderPermissions)
-          .where(and(
-            inArray(storageFolderPermissions.folderId, descendantIds),
-            permWhereBase,
-            // Exclude the traverse perm we're considering removing
-            // Look for any non-traverse permission
-          ))
-          .limit(2) // We need to check if there's more than just the traverse perm itself
-
         // Count how many perms exist - if only the traverse perm on this folder, it's orphaned
         const allPerms = await db.select({ id: storageFolderPermissions.id, accessLevel: storageFolderPermissions.accessLevel, folderId: storageFolderPermissions.folderId })
           .from(storageFolderPermissions)
diff --git a/packages/backend/src/utils/pagination.ts b/packages/backend/src/utils/pagination.ts
index 655f57b..5724f61 100644
--- a/packages/backend/src/utils/pagination.ts
+++ b/packages/backend/src/utils/pagination.ts
@@ -1,6 +1,6 @@
 import { sql, asc, desc, ilike, or, type SQL, type Column } from 'drizzle-orm'
 import type { PgSelect } from 'drizzle-orm/pg-core'
-import type { PaginationInput, PaginatedResponse } from '@lunarfront/shared/schemas'
+import type { PaginatedResponse } from '@lunarfront/shared/schemas'
 
 /**
  * Apply pagination (offset + limit) to a Drizzle query.