diff --git a/frontends/nextjs/src/lib/db/core/operations.ts b/frontends/nextjs/src/lib/db/core/operations.ts
index eee6dc382..e557c9227 100644
--- a/frontends/nextjs/src/lib/db/core/operations.ts
+++ b/frontends/nextjs/src/lib/db/core/operations.ts
@@ -4,7 +4,6 @@ import { verifyPassword } from '../password/verify-password'
 import * as auth from '../auth'
 import * as users from '../users'
 import { transferSuperGodPower } from '../users/super-god/transfer-super-god-power'
-import * as credentials from '../credentials'
 import * as sessions from '../sessions'
 import * as workflows from '../workflows'
 import * as luaScripts from '../lua-scripts'
@@ -51,16 +50,6 @@ export class Database {
   static getSuperGod = users.getSuperGod
   static transferSuperGodPower = transferSuperGodPower
 
-  // Credentials
-  static getCredentials = credentials.getCredentials
-  static setCredential = credentials.setCredential
-  static verifyCredentials = credentials.verifyCredentials
-  static getPasswordChangeTimestamps = credentials.getPasswordChangeTimestamps
-  static setPasswordChangeTimestamps = credentials.setPasswordChangeTimestamps
-  static getPasswordResetTokens = credentials.getPasswordResetTokens
-  static setPasswordResetToken = credentials.setPasswordResetToken
-  static deletePasswordResetToken = credentials.deletePasswordResetToken
-
   // Sessions
   static createSession = sessions.createSession
   static getSessionById = sessions.getSessionById
diff --git a/frontends/nextjs/src/lib/db/database-admin/seed-default-data/app/seed-users.ts b/frontends/nextjs/src/lib/db/database-admin/seed-default-data/app/seed-users.ts
deleted file mode 100644
index 0e5ceaa8d..000000000
--- a/frontends/nextjs/src/lib/db/database-admin/seed-default-data/app/seed-users.ts
+++ /dev/null
@@ -1,37 +0,0 @@
-import { setCredential } from '../../../credentials'
-import { hashPassword } from '../../../password/hash-password'
-import { getUsers, setUsers } from '../../../users'
-import type { User } from '../../../types/level-types'
-
-const buildDefaultUsers = (): User[] => [
-  {
-    id: 'user_supergod',
-    username: 'supergod',
-    email: 'supergod@system.local',
-    role: 'supergod',
-    createdAt: Date.now(),
-    isInstanceOwner: true,
-  },
-  {
-    id: 'user_god',
-    username: 'god',
-    email: 'god@system.local',
-    role: 'god',
-    createdAt: Date.now(),
-    isInstanceOwner: false,
-  },
-]
-
-export const seedUsers = async () => {
-  const users = await getUsers({ scope: 'all' })
-
-  if (users.length === 0) {
-    const defaultUsers = buildDefaultUsers()
-    await setUsers(defaultUsers)
-
-    for (const user of defaultUsers) {
-      const hash = await hashPassword(user.username)
-      await setCredential(user.username, hash)
-    }
-  }
-}
diff --git a/frontends/nextjs/src/lib/security/secure-db/operations/crud/verify-credentials.test.ts b/frontends/nextjs/src/lib/security/secure-db/operations/crud/verify-credentials.test.ts
deleted file mode 100644
index 810271443..000000000
--- a/frontends/nextjs/src/lib/security/secure-db/operations/crud/verify-credentials.test.ts
+++ /dev/null
@@ -1,93 +0,0 @@
-import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest'
-import type { SecurityContext } from '../types'
-import {
-  loginAttemptTracker,
-  DEFAULT_AUTH_LOCKOUT_MAX_ATTEMPTS,
-} from '../login-attempt-tracker'
-
-vi.mock('@/lib/db', () => ({
-  Database: {
-    verifyCredentials: vi.fn(),
-  },
-}))
-
-vi.mock('../execute-query', () => ({
-  executeQuery: vi.fn(),
-}))
-
-import { verifyCredentials } from './verify-credentials'
-import { executeQuery } from '../execute-query'
-
-const mockExecuteQuery = vi.mocked(executeQuery)
-
-const createContext = (): SecurityContext => ({
-  user: {
-    id: 'user_1',
-    username: 'user',
-    email: 'user@example.com',
-    role: 'user',
-    createdAt: 0,
-  },
-})
-
-describe('verifyCredentials', () => {
-  beforeEach(() => {
-    loginAttemptTracker.reset()
-    mockExecuteQuery.mockReset()
-  })
-
-  afterEach(() => {
-    vi.useRealTimers()
-  })
-
-  it('blocks attempts when user is locked out', async () => {
-    vi.useFakeTimers()
-    vi.setSystemTime(new Date(0))
-
-    for (let i = 0; i < DEFAULT_AUTH_LOCKOUT_MAX_ATTEMPTS; i += 1) {
-      loginAttemptTracker.registerFailure('user')
-    }
-
-    mockExecuteQuery.mockResolvedValue(true)
-
-    const result = await verifyCredentials(createContext(), 'user', 'pass')
-
-    expect(result).toBe(false)
-    expect(mockExecuteQuery).not.toHaveBeenCalled()
-  })
-
-  it('locks out after repeated failures', async () => {
-    vi.useFakeTimers()
-    vi.setSystemTime(new Date(0))
-
-    mockExecuteQuery.mockResolvedValue(false)
-
-    for (let i = 0; i < DEFAULT_AUTH_LOCKOUT_MAX_ATTEMPTS; i += 1) {
-      const result = await verifyCredentials(createContext(), 'user', 'pass')
-      expect(result).toBe(false)
-    }
-
-    expect(loginAttemptTracker.isLocked('user')).toBe(true)
-
-    mockExecuteQuery.mockReset()
-
-    const blocked = await verifyCredentials(createContext(), 'user', 'pass')
-
-    expect(blocked).toBe(false)
-    expect(mockExecuteQuery).not.toHaveBeenCalled()
-  })
-
-  it('clears failure state after success', async () => {
-    mockExecuteQuery
-      .mockResolvedValueOnce(false)
-      .mockResolvedValueOnce(true)
-
-    const first = await verifyCredentials(createContext(), 'user', 'pass')
-    expect(first).toBe(false)
-    expect(loginAttemptTracker.getState('user')).not.toBeNull()
-
-    const second = await verifyCredentials(createContext(), 'user', 'pass')
-    expect(second).toBe(true)
-    expect(loginAttemptTracker.getState('user')).toBeNull()
-  })
-})