diff --git a/src/govoplan_campaign/backend/schemas.py b/src/govoplan_campaign/backend/schemas.py
index e1adc07..056f371 100644
--- a/src/govoplan_campaign/backend/schemas.py
+++ b/src/govoplan_campaign/backend/schemas.py
@@ -597,6 +597,7 @@ class AppendSentRequest(BaseModel):
 class CampaignActionResponse(BaseModel):
     result: dict[str, Any]
 
+
 class ReportEmailRequest(BaseModel):
     model_config = ConfigDict(extra="forbid")
 
@@ -610,111 +611,3 @@ class ReportEmailRequest(BaseModel):
 
 class ReportEmailResponse(BaseModel):
     result: dict[str, Any]
-
-
-class AuditLogItemResponse(BaseModel):
-    model_config = ConfigDict(from_attributes=True)
-
-    id: str
-    tenant_id: str | None = None
-    user_id: str | None = None
-    api_key_id: str | None = None
-    action: str
-    object_type: str | None = None
-    object_id: str | None = None
-    details: dict[str, Any] | None = None
-    created_at: datetime
-
-
-class AuditLogListResponse(BaseModel):
-    items: list[AuditLogItemResponse]
-
-
-
-class LoginRequest(BaseModel):
-    model_config = ConfigDict(extra="forbid")
-
-    email: str
-    password: str
-    # Kept optional for backwards compatibility and future tenant-switch login flows.
-    # The WebUI no longer sends it. If omitted, the backend resolves the user by email.
-    tenant_slug: str | None = None
-
-
-
-
-class SwitchTenantRequest(BaseModel):
-    model_config = ConfigDict(extra="forbid")
-
-    tenant_id: str
-
-
-class TenantInfo(BaseModel):
-    id: str
-    slug: str
-    name: str
-    is_active: bool = True
-    default_locale: str = "en"
-
-
-class TenantMembershipInfo(TenantInfo):
-    roles: list[str] = Field(default_factory=list)
-    is_active: bool = True
-
-
-class UserInfo(BaseModel):
-    id: str
-    account_id: str
-    email: str
-    # Global account identity used by the title bar and account settings.
-    display_name: str | None = None
-    # Optional tenant-local alias used in tenant administration and ownership.
-    tenant_display_name: str | None = None
-    is_tenant_admin: bool = False
-    password_reset_required: bool = False
-
-
-class ProfileUpdateRequest(BaseModel):
-    model_config = ConfigDict(extra="forbid")
-
-    display_name: str | None = Field(default=None, max_length=255)
-    tenant_display_name: str | None = Field(default=None, max_length=255)
-
-
-class RoleInfo(BaseModel):
-    id: str
-    slug: str
-    name: str
-    permissions: list[str] = Field(default_factory=list)
-    level: Literal["tenant", "system"] = "tenant"
-
-
-class GroupInfo(BaseModel):
-    id: str
-    slug: str
-    name: str
-
-
-class LoginResponse(BaseModel):
-    access_token: str
-    token_type: str = "bearer"
-    expires_at: datetime
-    user: UserInfo
-    # Backwards-compatible alias for the active tenant.
-    tenant: TenantInfo
-    active_tenant: TenantInfo
-    tenants: list[TenantMembershipInfo] = Field(default_factory=list)
-    scopes: list[str]
-    roles: list[RoleInfo] = Field(default_factory=list)
-    groups: list[GroupInfo] = Field(default_factory=list)
-
-
-class MeResponse(BaseModel):
-    user: UserInfo
-    # Backwards-compatible alias for the active tenant.
-    tenant: TenantInfo
-    active_tenant: TenantInfo
-    tenants: list[TenantMembershipInfo] = Field(default_factory=list)
-    scopes: list[str]
-    roles: list[RoleInfo] = Field(default_factory=list)
-    groups: list[GroupInfo] = Field(default_factory=list)