diff --git a/src/modules/expenses/components/admin/GrantPermissionDialog.vue b/src/modules/expenses/components/admin/GrantPermissionDialog.vue
deleted file mode 100644
index 20e7d87..0000000
--- a/src/modules/expenses/components/admin/GrantPermissionDialog.vue
+++ /dev/null
@@ -1,256 +0,0 @@
-<script setup lang="ts">
-import { ref, computed } from 'vue'
-import { useForm } from 'vee-validate'
-import { toTypedSchema } from '@vee-validate/zod'
-import * as z from 'zod'
-import { useAuth } from '@/composables/useAuthService'
-import { useToast } from '@/core/composables/useToast'
-import { injectService, SERVICE_TOKENS } from '@/core/di-container'
-import type { ExpensesAPI } from '../../services/ExpensesAPI'
-import type { Account } from '../../types'
-import { PermissionType } from '../../types'
-
-import { Button } from '@/components/ui/button'
-import { Dialog, DialogContent, DialogDescription, DialogFooter, DialogHeader, DialogTitle } from '@/components/ui/dialog'
-import {
-  FormControl,
-  FormDescription,
-  FormField,
-  FormItem,
-  FormLabel,
-  FormMessage
-} from '@/components/ui/form'
-import { Input } from '@/components/ui/input'
-import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select'
-import { Textarea } from '@/components/ui/textarea'
-import { Loader2 } from 'lucide-vue-next'
-
-interface Props {
-  isOpen: boolean
-  accounts: Account[]
-}
-
-const props = defineProps<Props>()
-
-const emit = defineEmits<{
-  close: []
-  permissionGranted: []
-}>()
-
-const { user } = useAuth()
-const toast = useToast()
-const expensesAPI = injectService<ExpensesAPI>(SERVICE_TOKENS.EXPENSES_API)
-
-const isGranting = ref(false)
-
-const adminKey = computed(() => user.value?.wallets?.[0]?.adminkey)
-
-// Form schema
-const formSchema = toTypedSchema(
-  z.object({
-    user_id: z.string().min(1, 'User ID is required'),
-    account_id: z.string().min(1, 'Account is required'),
-    permission_type: z.nativeEnum(PermissionType, {
-      errorMap: () => ({ message: 'Permission type is required' })
-    }),
-    notes: z.string().optional(),
-    expires_at: z.string().optional()
-  })
-)
-
-// Setup form
-const form = useForm({
-  validationSchema: formSchema,
-  initialValues: {
-    user_id: '',
-    account_id: '',
-    permission_type: PermissionType.READ,
-    notes: '',
-    expires_at: ''
-  }
-})
-
-const { resetForm, meta } = form
-const isFormValid = computed(() => meta.value.valid)
-
-// Permission type options
-const permissionTypes = [
-  { value: PermissionType.READ, label: 'Read', description: 'View account and balance' },
-  {
-    value: PermissionType.SUBMIT_EXPENSE,
-    label: 'Submit Expense',
-    description: 'Submit expenses to this account'
-  },
-  { value: PermissionType.MANAGE, label: 'Manage', description: 'Full account management' }
-]
-
-// Submit form
-const onSubmit = form.handleSubmit(async (values) => {
-  if (!adminKey.value) {
-    toast.error('Admin access required')
-    return
-  }
-
-  isGranting.value = true
-
-  try {
-    await expensesAPI.grantPermission(adminKey.value, {
-      user_id: values.user_id,
-      account_id: values.account_id,
-      permission_type: values.permission_type,
-      notes: values.notes || undefined,
-      expires_at: values.expires_at || undefined
-    })
-
-    emit('permissionGranted')
-    resetForm()
-  } catch (error) {
-    console.error('Failed to grant permission:', error)
-    toast.error('Failed to grant permission', {
-      description: error instanceof Error ? error.message : 'Unknown error'
-    })
-  } finally {
-    isGranting.value = false
-  }
-})
-
-// Handle dialog close
-function handleClose() {
-  if (!isGranting.value) {
-    resetForm()
-    emit('close')
-  }
-}
-</script>
-
-<template>
-  <Dialog :open="props.isOpen" @update:open="handleClose">
-    <DialogContent class="sm:max-w-[500px]">
-      <DialogHeader>
-        <DialogTitle>Grant Account Permission</DialogTitle>
-        <DialogDescription>
-          Grant a user permission to access an expense account. Permissions on parent accounts
-          cascade to children.
-        </DialogDescription>
-      </DialogHeader>
-
-      <form @submit="onSubmit" class="space-y-4">
-        <!-- User ID -->
-        <FormField v-slot="{ componentField }" name="user_id">
-          <FormItem>
-            <FormLabel>User ID *</FormLabel>
-            <FormControl>
-              <Input
-                placeholder="Enter user wallet ID"
-                v-bind="componentField"
-                :disabled="isGranting"
-              />
-            </FormControl>
-            <FormDescription>The wallet ID of the user to grant permission to</FormDescription>
-            <FormMessage />
-          </FormItem>
-        </FormField>
-
-        <!-- Account -->
-        <FormField v-slot="{ componentField }" name="account_id">
-          <FormItem>
-            <FormLabel>Account *</FormLabel>
-            <Select v-bind="componentField" :disabled="isGranting">
-              <FormControl>
-                <SelectTrigger>
-                  <SelectValue placeholder="Select account" />
-                </SelectTrigger>
-              </FormControl>
-              <SelectContent>
-                <SelectItem
-                  v-for="account in props.accounts"
-                  :key="account.id"
-                  :value="account.id"
-                >
-                  {{ account.name }}
-                </SelectItem>
-              </SelectContent>
-            </Select>
-            <FormDescription>Account to grant access to</FormDescription>
-            <FormMessage />
-          </FormItem>
-        </FormField>
-
-        <!-- Permission Type -->
-        <FormField v-slot="{ componentField }" name="permission_type">
-          <FormItem>
-            <FormLabel>Permission Type *</FormLabel>
-            <Select v-bind="componentField" :disabled="isGranting">
-              <FormControl>
-                <SelectTrigger>
-                  <SelectValue placeholder="Select permission type" />
-                </SelectTrigger>
-              </FormControl>
-              <SelectContent>
-                <SelectItem
-                  v-for="type in permissionTypes"
-                  :key="type.value"
-                  :value="type.value"
-                >
-                  <div>
-                    <div class="font-medium">{{ type.label }}</div>
-                    <div class="text-sm text-muted-foreground">{{ type.description }}</div>
-                  </div>
-                </SelectItem>
-              </SelectContent>
-            </Select>
-            <FormDescription>Type of permission to grant</FormDescription>
-            <FormMessage />
-          </FormItem>
-        </FormField>
-
-        <!-- Expiration Date (Optional) -->
-        <FormField v-slot="{ componentField }" name="expires_at">
-          <FormItem>
-            <FormLabel>Expiration Date (Optional)</FormLabel>
-            <FormControl>
-              <Input
-                type="datetime-local"
-                v-bind="componentField"
-                :disabled="isGranting"
-              />
-            </FormControl>
-            <FormDescription>Leave empty for permanent access</FormDescription>
-            <FormMessage />
-          </FormItem>
-        </FormField>
-
-        <!-- Notes (Optional) -->
-        <FormField v-slot="{ componentField }" name="notes">
-          <FormItem>
-            <FormLabel>Notes (Optional)</FormLabel>
-            <FormControl>
-              <Textarea
-                placeholder="Add notes about this permission..."
-                v-bind="componentField"
-                :disabled="isGranting"
-              />
-            </FormControl>
-            <FormDescription>Optional notes for admin reference</FormDescription>
-            <FormMessage />
-          </FormItem>
-        </FormField>
-
-        <DialogFooter>
-          <Button
-            type="button"
-            variant="outline"
-            @click="handleClose"
-            :disabled="isGranting"
-          >
-            Cancel
-          </Button>
-          <Button type="submit" :disabled="isGranting || !isFormValid">
-            <Loader2 v-if="isGranting" class="mr-2 h-4 w-4 animate-spin" />
-            {{ isGranting ? 'Granting...' : 'Grant Permission' }}
-          </Button>
-        </DialogFooter>
-      </form>
-    </DialogContent>
-  </Dialog>
-</template>
diff --git a/src/modules/expenses/components/admin/PermissionManager.vue b/src/modules/expenses/components/admin/PermissionManager.vue
deleted file mode 100644
index 99eac98..0000000
--- a/src/modules/expenses/components/admin/PermissionManager.vue
+++ /dev/null
@@ -1,399 +0,0 @@
-<script setup lang="ts">
-import { ref, onMounted, computed } from 'vue'
-import { useAuth } from '@/composables/useAuthService'
-import { useToast } from '@/core/composables/useToast'
-import { injectService, SERVICE_TOKENS } from '@/core/di-container'
-import type { ExpensesAPI } from '../../services/ExpensesAPI'
-import type { AccountPermission, Account } from '../../types'
-import { PermissionType } from '../../types'
-
-import { Button } from '@/components/ui/button'
-import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card'
-import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs'
-import { Badge } from '@/components/ui/badge'
-import { Loader2, Plus, Trash2, Users, Shield } from 'lucide-vue-next'
-import {
-  Table,
-  TableBody,
-  TableCell,
-  TableHead,
-  TableHeader,
-  TableRow
-} from '@/components/ui/table'
-import {
-  AlertDialog,
-  AlertDialogAction,
-  AlertDialogCancel,
-  AlertDialogContent,
-  AlertDialogDescription,
-  AlertDialogFooter,
-  AlertDialogHeader,
-  AlertDialogTitle
-} from '@/components/ui/alert-dialog'
-
-import GrantPermissionDialog from './GrantPermissionDialog.vue'
-
-const { user } = useAuth()
-const toast = useToast()
-const expensesAPI = injectService<ExpensesAPI>(SERVICE_TOKENS.EXPENSES_API)
-
-const permissions = ref<AccountPermission[]>([])
-const accounts = ref<Account[]>([])
-const isLoading = ref(false)
-const showGrantDialog = ref(false)
-const permissionToRevoke = ref<AccountPermission | null>(null)
-const showRevokeDialog = ref(false)
-
-const adminKey = computed(() => user.value?.wallets?.[0]?.adminkey)
-
-// Get permission type badge variant
-function getPermissionBadge(type: PermissionType) {
-  switch (type) {
-    case PermissionType.READ:
-      return 'default'
-    case PermissionType.SUBMIT_EXPENSE:
-      return 'secondary'
-    case PermissionType.MANAGE:
-      return 'destructive'
-    default:
-      return 'outline'
-  }
-}
-
-// Get permission type label
-function getPermissionLabel(type: PermissionType): string {
-  switch (type) {
-    case PermissionType.READ:
-      return 'Read'
-    case PermissionType.SUBMIT_EXPENSE:
-      return 'Submit Expense'
-    case PermissionType.MANAGE:
-      return 'Manage'
-    default:
-      return type
-  }
-}
-
-// Get account name by ID
-function getAccountName(accountId: string): string {
-  const account = accounts.value.find((a) => a.id === accountId)
-  return account?.name || accountId
-}
-
-// Format date
-function formatDate(dateString: string): string {
-  const date = new Date(dateString)
-  return date.toLocaleDateString() + ' ' + date.toLocaleTimeString()
-}
-
-// Load accounts
-async function loadAccounts() {
-  if (!adminKey.value) return
-
-  try {
-    accounts.value = await expensesAPI.getAccounts(adminKey.value)
-  } catch (error) {
-    console.error('Failed to load accounts:', error)
-    toast.error('Failed to load accounts', {
-      description: error instanceof Error ? error.message : 'Unknown error'
-    })
-  }
-}
-
-// Load all permissions
-async function loadPermissions() {
-  if (!adminKey.value) {
-    toast.error('Admin access required', {
-      description: 'You need admin privileges to manage permissions'
-    })
-    return
-  }
-
-  isLoading.value = true
-  try {
-    permissions.value = await expensesAPI.listPermissions(adminKey.value)
-  } catch (error) {
-    console.error('Failed to load permissions:', error)
-    toast.error('Failed to load permissions', {
-      description: error instanceof Error ? error.message : 'Unknown error'
-    })
-  } finally {
-    isLoading.value = false
-  }
-}
-
-// Handle permission granted
-function handlePermissionGranted() {
-  showGrantDialog.value = false
-  loadPermissions()
-  toast.success('Permission granted', {
-    description: 'User permission has been successfully granted'
-  })
-}
-
-// Confirm revoke permission
-function confirmRevoke(permission: AccountPermission) {
-  permissionToRevoke.value = permission
-  showRevokeDialog.value = true
-}
-
-// Revoke permission
-async function revokePermission() {
-  if (!adminKey.value || !permissionToRevoke.value) return
-
-  try {
-    await expensesAPI.revokePermission(adminKey.value, permissionToRevoke.value.id)
-    toast.success('Permission revoked', {
-      description: 'User permission has been successfully revoked'
-    })
-    loadPermissions()
-  } catch (error) {
-    console.error('Failed to revoke permission:', error)
-    toast.error('Failed to revoke permission', {
-      description: error instanceof Error ? error.message : 'Unknown error'
-    })
-  } finally {
-    showRevokeDialog.value = false
-    permissionToRevoke.value = null
-  }
-}
-
-// Group permissions by user
-const permissionsByUser = computed(() => {
-  const grouped = new Map<string, AccountPermission[]>()
-
-  for (const permission of permissions.value) {
-    const existing = grouped.get(permission.user_id) || []
-    existing.push(permission)
-    grouped.set(permission.user_id, existing)
-  }
-
-  return grouped
-})
-
-// Group permissions by account
-const permissionsByAccount = computed(() => {
-  const grouped = new Map<string, AccountPermission[]>()
-
-  for (const permission of permissions.value) {
-    const existing = grouped.get(permission.account_id) || []
-    existing.push(permission)
-    grouped.set(permission.account_id, existing)
-  }
-
-  return grouped
-})
-
-onMounted(() => {
-  loadAccounts()
-  loadPermissions()
-})
-</script>
-
-<template>
-  <div class="container mx-auto p-6 space-y-6">
-    <div class="flex items-center justify-between">
-      <div>
-        <h1 class="text-3xl font-bold">Permission Management</h1>
-        <p class="text-muted-foreground">
-          Manage user access to expense accounts
-        </p>
-      </div>
-      <Button @click="showGrantDialog = true" :disabled="isLoading">
-        <Plus class="mr-2 h-4 w-4" />
-        Grant Permission
-      </Button>
-    </div>
-
-    <Card>
-      <CardHeader>
-        <CardTitle class="flex items-center gap-2">
-          <Shield class="h-5 w-5" />
-          Account Permissions
-        </CardTitle>
-        <CardDescription>
-          View and manage all account permissions. Permissions on parent accounts cascade to
-          children.
-        </CardDescription>
-      </CardHeader>
-      <CardContent>
-        <Tabs default-value="by-user" class="w-full">
-          <TabsList class="grid w-full grid-cols-2">
-            <TabsTrigger value="by-user">
-              <Users class="mr-2 h-4 w-4" />
-              By User
-            </TabsTrigger>
-            <TabsTrigger value="by-account">
-              <Shield class="mr-2 h-4 w-4" />
-              By Account
-            </TabsTrigger>
-          </TabsList>
-
-          <!-- By User View -->
-          <TabsContent value="by-user" class="space-y-4">
-            <div v-if="isLoading" class="flex items-center justify-center py-8">
-              <Loader2 class="h-8 w-8 animate-spin text-muted-foreground" />
-            </div>
-
-            <div v-else-if="permissionsByUser.size === 0" class="text-center py-8">
-              <p class="text-muted-foreground">No permissions granted yet</p>
-            </div>
-
-            <div v-else class="space-y-4">
-              <div
-                v-for="[userId, userPermissions] in permissionsByUser"
-                :key="userId"
-                class="border rounded-lg p-4"
-              >
-                <h3 class="font-semibold mb-2">User: {{ userId }}</h3>
-                <Table>
-                  <TableHeader>
-                    <TableRow>
-                      <TableHead>Account</TableHead>
-                      <TableHead>Permission</TableHead>
-                      <TableHead>Granted</TableHead>
-                      <TableHead>Expires</TableHead>
-                      <TableHead>Notes</TableHead>
-                      <TableHead class="text-right">Actions</TableHead>
-                    </TableRow>
-                  </TableHeader>
-                  <TableBody>
-                    <TableRow v-for="permission in userPermissions" :key="permission.id">
-                      <TableCell class="font-medium">
-                        {{ getAccountName(permission.account_id) }}
-                      </TableCell>
-                      <TableCell>
-                        <Badge :variant="getPermissionBadge(permission.permission_type)">
-                          {{ getPermissionLabel(permission.permission_type) }}
-                        </Badge>
-                      </TableCell>
-                      <TableCell>{{ formatDate(permission.granted_at) }}</TableCell>
-                      <TableCell>
-                        {{ permission.expires_at ? formatDate(permission.expires_at) : 'Never' }}
-                      </TableCell>
-                      <TableCell>
-                        <span class="text-sm text-muted-foreground">
-                          {{ permission.notes || '-' }}
-                        </span>
-                      </TableCell>
-                      <TableCell class="text-right">
-                        <Button
-                          variant="ghost"
-                          size="sm"
-                          @click="confirmRevoke(permission)"
-                          :disabled="isLoading"
-                        >
-                          <Trash2 class="h-4 w-4 text-destructive" />
-                        </Button>
-                      </TableCell>
-                    </TableRow>
-                  </TableBody>
-                </Table>
-              </div>
-            </div>
-          </TabsContent>
-
-          <!-- By Account View -->
-          <TabsContent value="by-account" class="space-y-4">
-            <div v-if="isLoading" class="flex items-center justify-center py-8">
-              <Loader2 class="h-8 w-8 animate-spin text-muted-foreground" />
-            </div>
-
-            <div v-else-if="permissionsByAccount.size === 0" class="text-center py-8">
-              <p class="text-muted-foreground">No permissions granted yet</p>
-            </div>
-
-            <div v-else class="space-y-4">
-              <div
-                v-for="[accountId, accountPermissions] in permissionsByAccount"
-                :key="accountId"
-                class="border rounded-lg p-4"
-              >
-                <h3 class="font-semibold mb-2">Account: {{ getAccountName(accountId) }}</h3>
-                <Table>
-                  <TableHeader>
-                    <TableRow>
-                      <TableHead>User</TableHead>
-                      <TableHead>Permission</TableHead>
-                      <TableHead>Granted</TableHead>
-                      <TableHead>Expires</TableHead>
-                      <TableHead>Notes</TableHead>
-                      <TableHead class="text-right">Actions</TableHead>
-                    </TableRow>
-                  </TableHeader>
-                  <TableBody>
-                    <TableRow v-for="permission in accountPermissions" :key="permission.id">
-                      <TableCell class="font-medium">{{ permission.user_id }}</TableCell>
-                      <TableCell>
-                        <Badge :variant="getPermissionBadge(permission.permission_type)">
-                          {{ getPermissionLabel(permission.permission_type) }}
-                        </Badge>
-                      </TableCell>
-                      <TableCell>{{ formatDate(permission.granted_at) }}</TableCell>
-                      <TableCell>
-                        {{ permission.expires_at ? formatDate(permission.expires_at) : 'Never' }}
-                      </TableCell>
-                      <TableCell>
-                        <span class="text-sm text-muted-foreground">
-                          {{ permission.notes || '-' }}
-                        </span>
-                      </TableCell>
-                      <TableCell class="text-right">
-                        <Button
-                          variant="ghost"
-                          size="sm"
-                          @click="confirmRevoke(permission)"
-                          :disabled="isLoading"
-                        >
-                          <Trash2 class="h-4 w-4 text-destructive" />
-                        </Button>
-                      </TableCell>
-                    </TableRow>
-                  </TableBody>
-                </Table>
-              </div>
-            </div>
-          </TabsContent>
-        </Tabs>
-      </CardContent>
-    </Card>
-
-    <!-- Grant Permission Dialog -->
-    <GrantPermissionDialog
-      :is-open="showGrantDialog"
-      :accounts="accounts"
-      @close="showGrantDialog = false"
-      @permission-granted="handlePermissionGranted"
-    />
-
-    <!-- Revoke Confirmation Dialog -->
-    <AlertDialog :open="showRevokeDialog" @update:open="showRevokeDialog = $event">
-      <AlertDialogContent>
-        <AlertDialogHeader>
-          <AlertDialogTitle>Revoke Permission?</AlertDialogTitle>
-          <AlertDialogDescription>
-            Are you sure you want to revoke this permission? The user will immediately lose access.
-            <div v-if="permissionToRevoke" class="mt-4 p-4 bg-muted rounded-md">
-              <p class="font-medium">Permission Details:</p>
-              <p class="text-sm mt-2">
-                <strong>User:</strong> {{ permissionToRevoke.user_id }}
-              </p>
-              <p class="text-sm">
-                <strong>Account:</strong> {{ getAccountName(permissionToRevoke.account_id) }}
-              </p>
-              <p class="text-sm">
-                <strong>Type:</strong> {{ getPermissionLabel(permissionToRevoke.permission_type) }}
-              </p>
-            </div>
-          </AlertDialogDescription>
-        </AlertDialogHeader>
-        <AlertDialogFooter>
-          <AlertDialogCancel>Cancel</AlertDialogCancel>
-          <AlertDialogAction @click="revokePermission" class="bg-destructive text-destructive-foreground hover:bg-destructive/90">
-            Revoke
-          </AlertDialogAction>
-        </AlertDialogFooter>
-      </AlertDialogContent>
-    </AlertDialog>
-  </div>
-</template>
diff --git a/src/modules/expenses/services/ExpensesAPI.ts b/src/modules/expenses/services/ExpensesAPI.ts
index 625fbd2..bf622a9 100644
--- a/src/modules/expenses/services/ExpensesAPI.ts
+++ b/src/modules/expenses/services/ExpensesAPI.ts
@@ -11,8 +11,6 @@ import type {
   IncomeEntry,
   AccountNode,
   UserInfo,
-  AccountPermission,
-  GrantPermissionRequest,
   TransactionListResponse
 } from '../types'
 import { appConfig } from '@/app.config'
@@ -343,93 +341,6 @@ export class ExpensesAPI extends BaseService {
     }
   }
 
-  /**
-   * List all account permissions (admin only)
-   *
-   * @param adminKey - Admin key for authentication
-   */
-  async listPermissions(adminKey: string): Promise<AccountPermission[]> {
-    try {
-      const response = await fetch(`${this.baseUrl}/libra/api/v1/permissions`, {
-        method: 'GET',
-        headers: this.getHeaders(adminKey),
-        signal: AbortSignal.timeout(this.config?.apiConfig?.timeout || 30000)
-      })
-
-      if (!response.ok) {
-        throw new Error(`Failed to list permissions: ${response.statusText}`)
-      }
-
-      const permissions = await response.json()
-      return permissions as AccountPermission[]
-    } catch (error) {
-      console.error('[ExpensesAPI] Error listing permissions:', error)
-      throw error
-    }
-  }
-
-  /**
-   * Grant account permission to a user (admin only)
-   *
-   * @param adminKey - Admin key for authentication
-   * @param request - Permission grant request
-   */
-  async grantPermission(
-    adminKey: string,
-    request: GrantPermissionRequest
-  ): Promise<AccountPermission> {
-    try {
-      const response = await fetch(`${this.baseUrl}/libra/api/v1/permissions`, {
-        method: 'POST',
-        headers: this.getHeaders(adminKey),
-        body: JSON.stringify(request),
-        signal: AbortSignal.timeout(this.config?.apiConfig?.timeout || 30000)
-      })
-
-      if (!response.ok) {
-        const errorData = await response.json().catch(() => ({}))
-        const errorMessage =
-          errorData.detail || `Failed to grant permission: ${response.statusText}`
-        throw new Error(errorMessage)
-      }
-
-      const permission = await response.json()
-      return permission as AccountPermission
-    } catch (error) {
-      console.error('[ExpensesAPI] Error granting permission:', error)
-      throw error
-    }
-  }
-
-  /**
-   * Revoke account permission (admin only)
-   *
-   * @param adminKey - Admin key for authentication
-   * @param permissionId - ID of the permission to revoke
-   */
-  async revokePermission(adminKey: string, permissionId: string): Promise<void> {
-    try {
-      const response = await fetch(
-        `${this.baseUrl}/libra/api/v1/permissions/${permissionId}`,
-        {
-          method: 'DELETE',
-          headers: this.getHeaders(adminKey),
-          signal: AbortSignal.timeout(this.config?.apiConfig?.timeout || 30000)
-        }
-      )
-
-      if (!response.ok) {
-        const errorData = await response.json().catch(() => ({}))
-        const errorMessage =
-          errorData.detail || `Failed to revoke permission: ${response.statusText}`
-        throw new Error(errorMessage)
-      }
-    } catch (error) {
-      console.error('[ExpensesAPI] Error revoking permission:', error)
-      throw error
-    }
-  }
-
   /**
    * Get user's transactions from journal
    *
diff --git a/src/modules/expenses/types/index.ts b/src/modules/expenses/types/index.ts
index 1de01d4..422ad81 100644
--- a/src/modules/expenses/types/index.ts
+++ b/src/modules/expenses/types/index.ts
@@ -28,25 +28,6 @@ export interface Account {
   has_children?: boolean
 }
 
-/**
- * Account with user-specific permission metadata
- * (Will be available once libra API implements permissions)
- */
-export interface AccountWithPermissions extends Account {
-  user_permissions?: PermissionType[]
-  inherited_from?: string
-}
-
-/**
- * Permission types for account access control
- */
-export enum PermissionType {
-  READ = 'read',
-  SUBMIT_EXPENSE = 'submit_expense',
-  SUBMIT_INCOME = 'submit_income',
-  MANAGE = 'manage'
-}
-
 /**
  * Expense entry request payload
  */
@@ -125,31 +106,6 @@ export interface UserInfo {
   equity_account_name?: string
 }
 
-/**
- * Account permission for user access control
- */
-export interface AccountPermission {
-  id: string
-  user_id: string
-  account_id: string
-  permission_type: PermissionType
-  granted_at: string
-  granted_by: string
-  expires_at?: string
-  notes?: string
-}
-
-/**
- * Grant permission request payload
- */
-export interface GrantPermissionRequest {
-  user_id: string
-  account_id: string
-  permission_type: PermissionType
-  expires_at?: string
-  notes?: string
-}
-
 /**
  * Transaction entry from journal (user view)
  */