diff --git a/frontend/components/absence/EmployeeDrawer.vue b/frontend/components/absence/EmployeeDrawer.vue
index ae1029e..3684da5 100644
--- a/frontend/components/absence/EmployeeDrawer.vue
+++ b/frontend/components/absence/EmployeeDrawer.vue
@@ -24,13 +24,6 @@
                 empty-option-label="—"
                 group-class="w-full"
             />
-            <MalioSelect
-                v-model="form.familySituation"
-                :label="$t('absences.admin.employees.fields.familySituation')"
-                :options="familyOptions"
-                empty-option-label="—"
-                group-class="w-full"
-            />
             <MalioInputText
                 v-model="form.workTimeRatio"
                 :label="$t('absences.admin.employees.fields.workTimeRatio')"
@@ -51,11 +44,6 @@
                 :label="$t('absences.admin.employees.fields.initialLeaveBalance')"
                 input-class="w-full"
             />
-            <MalioInputText
-                v-model="form.nbChildren"
-                :label="$t('absences.admin.employees.fields.nbChildren')"
-                input-class="w-full"
-            />
 
             <div class="col-span-full mt-2 flex justify-end">
                 <MalioButton
@@ -70,7 +58,7 @@
 </template>
 
 <script setup lang="ts">
-import type { ContractType, FamilySituation, UserData } from '~/services/dto/user-data'
+import type { ContractType, UserData } from '~/services/dto/user-data'
 import { useUserService } from '~/services/users'
 
 const props = defineProps<{
@@ -101,24 +89,14 @@ const contractOptions = [
     { label: t('absences.admin.employees.contract.autre'), value: 'AUTRE' },
 ]
 
-const familyOptions = [
-    { label: t('absences.admin.employees.family.celibataire'), value: 'CELIBATAIRE' },
-    { label: t('absences.admin.employees.family.marie'), value: 'MARIE' },
-    { label: t('absences.admin.employees.family.pacse'), value: 'PACSE' },
-    { label: t('absences.admin.employees.family.divorce'), value: 'DIVORCE' },
-    { label: t('absences.admin.employees.family.veuf'), value: 'VEUF' },
-]
-
 const form = reactive({
     hireDate: null as string | null,
     endDate: null as string | null,
     contractType: null as ContractType | null,
-    familySituation: null as FamilySituation | null,
     workTimeRatio: '1.0',
     annualLeaveDays: '25',
     referencePeriodStart: '06-01',
     initialLeaveBalance: '0',
-    nbChildren: '0',
 })
 
 function hydrate(u: UserData | null) {
@@ -126,12 +104,10 @@ function hydrate(u: UserData | null) {
     form.hireDate = u.hireDate ? u.hireDate.slice(0, 10) : null
     form.endDate = u.endDate ? u.endDate.slice(0, 10) : null
     form.contractType = u.contractType ?? null
-    form.familySituation = u.familySituation ?? null
     form.workTimeRatio = String(u.workTimeRatio ?? 1)
     form.annualLeaveDays = String(u.annualLeaveDays ?? 25)
     form.referencePeriodStart = u.referencePeriodStart ?? '06-01'
     form.initialLeaveBalance = String(u.initialLeaveBalance ?? 0)
-    form.nbChildren = String(u.nbChildren ?? 0)
 }
 
 watch(() => props.modelValue, (isOpen) => {
@@ -147,12 +123,10 @@ async function save() {
             hireDate: form.hireDate || null,
             endDate: form.endDate || null,
             contractType: form.contractType,
-            familySituation: form.familySituation,
             workTimeRatio: Number(form.workTimeRatio) || 1,
             annualLeaveDays: Number(form.annualLeaveDays) || 0,
             referencePeriodStart: form.referencePeriodStart || '06-01',
             initialLeaveBalance: Number(form.initialLeaveBalance) || 0,
-            nbChildren: Number(form.nbChildren) || 0,
         })
         emit('saved')
         open.value = false
diff --git a/frontend/i18n/locales/fr.json b/frontend/i18n/locales/fr.json
index 1f27edc..bcef698 100644
--- a/frontend/i18n/locales/fr.json
+++ b/frontend/i18n/locales/fr.json
@@ -703,12 +703,10 @@
                     "hireDate": "Date d'embauche",
                     "endDate": "Date de sortie",
                     "contractType": "Type de contrat",
-                    "familySituation": "Situation familiale",
                     "workTimeRatio": "Temps de travail (ex : 1.0)",
                     "annualLeaveDays": "CP annuels (jours)",
                     "referencePeriodStart": "Début période réf. (MM-DD)",
-                    "initialLeaveBalance": "Solde CP initial",
-                    "nbChildren": "Nombre d'enfants"
+                    "initialLeaveBalance": "Solde CP initial"
                 },
                 "contract": {
                     "cdi": "CDI",
@@ -716,13 +714,6 @@
                     "stage": "Stage",
                     "alternance": "Alternance",
                     "autre": "Autre"
-                },
-                "family": {
-                    "celibataire": "Célibataire",
-                    "marie": "Marié(e)",
-                    "pacse": "Pacsé(e)",
-                    "divorce": "Divorcé(e)",
-                    "veuf": "Veuf(ve)"
                 }
             }
         },
diff --git a/frontend/services/dto/user-data.ts b/frontend/services/dto/user-data.ts
index 43265b5..84e4608 100644
--- a/frontend/services/dto/user-data.ts
+++ b/frontend/services/dto/user-data.ts
@@ -1,5 +1,4 @@
 export type ContractType = 'CDI' | 'CDD' | 'STAGE' | 'ALTERNANCE' | 'AUTRE'
-export type FamilySituation = 'CELIBATAIRE' | 'MARIE' | 'PACSE' | 'DIVORCE' | 'VEUF'
 
 export type UserData = {
     id: number
@@ -17,8 +16,6 @@ export type UserData = {
     annualLeaveDays?: number
     referencePeriodStart?: string
     initialLeaveBalance?: number
-    familySituation?: FamilySituation | null
-    nbChildren?: number
 }
 
 export type UserWrite = {
@@ -34,6 +31,4 @@ export type UserWrite = {
     annualLeaveDays?: number
     referencePeriodStart?: string
     initialLeaveBalance?: number
-    familySituation?: FamilySituation | null
-    nbChildren?: number
 }
diff --git a/migrations/Version20260522140000.php b/migrations/Version20260522140000.php
new file mode 100644
index 0000000..1e06881
--- /dev/null
+++ b/migrations/Version20260522140000.php
@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * RGPD / minimisation : suppression des colonnes user.family_situation et
+ * user.nb_children. Ces données (situation familiale, nombre d'enfants)
+ * étaient collectées et exposées mais n'étaient utilisées par aucun calcul.
+ */
+final class Version20260522140000 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Drop unused HR fields user.family_situation and user.nb_children (data minimisation)';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE "user" DROP COLUMN IF EXISTS family_situation');
+        $this->addSql('ALTER TABLE "user" DROP COLUMN IF EXISTS nb_children');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE "user" ADD family_situation VARCHAR(16) DEFAULT NULL');
+        $this->addSql('ALTER TABLE "user" ADD nb_children INT NOT NULL DEFAULT 0');
+    }
+}
diff --git a/src/DataFixtures/AppFixtures.php b/src/DataFixtures/AppFixtures.php
index c17c489..a6ef14f 100644
--- a/src/DataFixtures/AppFixtures.php
+++ b/src/DataFixtures/AppFixtures.php
@@ -24,7 +24,6 @@ use App\Entity\ZimbraConfiguration;
 use App\Enum\AbsenceStatus;
 use App\Enum\AbsenceType;
 use App\Enum\ContractType;
-use App\Enum\FamilySituation;
 use App\Enum\RecurrenceType;
 use App\Enum\StatusCategory;
 use DateTimeImmutable;
@@ -670,20 +669,15 @@ class AppFixtures extends Fixture
         $admin->setIsEmployee(true);
         $admin->setHireDate(new DateTimeImmutable('2020-01-15'));
         $admin->setContractType(ContractType::Cdi);
-        $admin->setFamilySituation(FamilySituation::Married);
-        $admin->setNbChildren(2);
 
         $userAlice->setIsEmployee(true);
         $userAlice->setHireDate(new DateTimeImmutable('2022-09-01'));
         $userAlice->setContractType(ContractType::Cdi);
-        $userAlice->setFamilySituation(FamilySituation::Single);
 
         $userBob->setIsEmployee(true);
         $userBob->setHireDate(new DateTimeImmutable('2023-03-10'));
         $userBob->setContractType(ContractType::Cdd);
         $userBob->setWorkTimeRatio(0.8);
-        $userBob->setFamilySituation(FamilySituation::Pacsed);
-        $userBob->setNbChildren(1);
 
         // Paid-leave balances for the current reference period (June 1st → May 31st)
         $cpPeriod    = '2025-2026';
diff --git a/src/Entity/User.php b/src/Entity/User.php
index 80f4504..22b8a8d 100644
--- a/src/Entity/User.php
+++ b/src/Entity/User.php
@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace App\Entity;
 
+use ApiPlatform\Metadata\ApiProperty;
 use ApiPlatform\Metadata\ApiResource;
 use ApiPlatform\Metadata\Delete;
 use ApiPlatform\Metadata\Get;
@@ -11,7 +12,6 @@ use ApiPlatform\Metadata\GetCollection;
 use ApiPlatform\Metadata\Patch;
 use ApiPlatform\Metadata\Post;
 use App\Enum\ContractType;
-use App\Enum\FamilySituation;
 use App\Repository\UserRepository;
 use App\State\MeProvider;
 use App\State\UserPasswordHasherProcessor;
@@ -57,6 +57,7 @@ class User implements UserInterface, PasswordAuthenticatedUserInterface
 
     /** @var list<string> */
     #[ORM\Column]
+    #[ApiProperty(security: "is_granted('ROLE_ADMIN') or object == user")]
     #[Groups(['me:read', 'user:list', 'user:write'])]
     private array $roles = [];
 
@@ -76,54 +77,54 @@ class User implements UserInterface, PasswordAuthenticatedUserInterface
     #[ORM\Column(length: 255, nullable: true)]
     private ?string $avatarFileName = null;
 
-    // --- HR / absence management fields ---
+    // --- HR / absence management fields (readable only by an admin or the user themselves) ---
 
     /** Whether this user is an employee subject to absence management. */
     #[ORM\Column]
+    #[ApiProperty(security: "is_granted('ROLE_ADMIN') or object == user")]
     #[Groups(['me:read', 'user:list', 'user:write'])]
     private bool $isEmployee = false;
 
     /** Hiring date — start of paid-leave acquisition. */
     #[ORM\Column(type: Types::DATE_IMMUTABLE, nullable: true)]
+    #[ApiProperty(security: "is_granted('ROLE_ADMIN') or object == user")]
     #[Groups(['me:read', 'user:list', 'user:write'])]
     private ?DateTimeImmutable $hireDate = null;
 
     #[ORM\Column(type: Types::DATE_IMMUTABLE, nullable: true)]
+    #[ApiProperty(security: "is_granted('ROLE_ADMIN') or object == user")]
     #[Groups(['me:read', 'user:list', 'user:write'])]
     private ?DateTimeImmutable $endDate = null;
 
     #[ORM\Column(type: Types::STRING, length: 16, nullable: true, enumType: ContractType::class)]
+    #[ApiProperty(security: "is_granted('ROLE_ADMIN') or object == user")]
     #[Groups(['me:read', 'user:list', 'user:write'])]
     private ?ContractType $contractType = null;
 
     /** Work-time ratio: 1.0 = full time, 0.8 = 4 days out of 5. */
     #[ORM\Column(type: Types::FLOAT)]
+    #[ApiProperty(security: "is_granted('ROLE_ADMIN') or object == user")]
     #[Groups(['me:read', 'user:list', 'user:write'])]
     private float $workTimeRatio = 1.0;
 
     /** Yearly paid-leave entitlement in worked days (default 25 = jours ouvrés). */
     #[ORM\Column(type: Types::FLOAT)]
+    #[ApiProperty(security: "is_granted('ROLE_ADMIN') or object == user")]
     #[Groups(['me:read', 'user:list', 'user:write'])]
     private float $annualLeaveDays = 25.0;
 
     /** Reference period start as MM-DD (default 06-01, 1st of June). */
     #[ORM\Column(length: 5)]
+    #[ApiProperty(security: "is_granted('ROLE_ADMIN') or object == user")]
     #[Groups(['me:read', 'user:list', 'user:write'])]
     private string $referencePeriodStart = '06-01';
 
     /** Paid-leave already acquired when the module is rolled out. */
     #[ORM\Column(type: Types::FLOAT)]
+    #[ApiProperty(security: "is_granted('ROLE_ADMIN') or object == user")]
     #[Groups(['me:read', 'user:list', 'user:write'])]
     private float $initialLeaveBalance = 0.0;
 
-    #[ORM\Column(type: Types::STRING, length: 16, nullable: true, enumType: FamilySituation::class)]
-    #[Groups(['me:read', 'user:list', 'user:write'])]
-    private ?FamilySituation $familySituation = null;
-
-    #[ORM\Column]
-    #[Groups(['me:read', 'user:list', 'user:write'])]
-    private int $nbChildren = 0;
-
     public function __construct()
     {
         $this->createdAt = new DateTimeImmutable();
@@ -338,28 +339,4 @@ class User implements UserInterface, PasswordAuthenticatedUserInterface
 
         return $this;
     }
-
-    public function getFamilySituation(): ?FamilySituation
-    {
-        return $this->familySituation;
-    }
-
-    public function setFamilySituation(?FamilySituation $familySituation): static
-    {
-        $this->familySituation = $familySituation;
-
-        return $this;
-    }
-
-    public function getNbChildren(): int
-    {
-        return $this->nbChildren;
-    }
-
-    public function setNbChildren(int $nbChildren): static
-    {
-        $this->nbChildren = $nbChildren;
-
-        return $this;
-    }
 }
diff --git a/src/Enum/FamilySituation.php b/src/Enum/FamilySituation.php
deleted file mode 100644
index 938498b..0000000
--- a/src/Enum/FamilySituation.php
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace App\Enum;
-
-enum FamilySituation: string
-{
-    case Single   = 'CELIBATAIRE';
-    case Married  = 'MARIE';
-    case Pacsed   = 'PACSE';
-    case Divorced = 'DIVORCE';
-    case Widowed  = 'VEUF';
-
-    public function label(): string
-    {
-        return match ($this) {
-            self::Single   => 'Célibataire',
-            self::Married  => 'Marié(e)',
-            self::Pacsed   => 'Pacsé(e)',
-            self::Divorced => 'Divorcé(e)',
-            self::Widowed  => 'Veuf(ve)',
-        };
-    }
-}
diff --git a/src/Mcp/Tool/Reference/UpdateUserTool.php b/src/Mcp/Tool/Reference/UpdateUserTool.php
index 8158f23..c7a3d94 100644
--- a/src/Mcp/Tool/Reference/UpdateUserTool.php
+++ b/src/Mcp/Tool/Reference/UpdateUserTool.php
@@ -5,7 +5,6 @@ declare(strict_types=1);
 namespace App\Mcp\Tool\Reference;
 
 use App\Enum\ContractType;
-use App\Enum\FamilySituation;
 use App\Mcp\Tool\Serializer;
 use App\Repository\UserRepository;
 use DateTimeImmutable;
@@ -17,7 +16,7 @@ use Symfony\Component\Security\Core\Exception\AccessDeniedException;
 
 use function sprintf;
 
-#[McpTool(name: 'update-user', description: 'Update a user HR/profile fields (admin). Does NOT change password or roles. contractType = CDI|CDD|STAGE|ALTERNANCE|AUTRE. familySituation = CELIBATAIRE|MARIE|PACSE|DIVORCE|VEUF. hireDate/endDate as YYYY-MM-DD. referencePeriodStart as MM-DD (e.g. 06-01).')]
+#[McpTool(name: 'update-user', description: 'Update a user HR/profile fields (admin). Does NOT change password or roles. contractType = CDI|CDD|STAGE|ALTERNANCE|AUTRE. hireDate/endDate as YYYY-MM-DD. referencePeriodStart as MM-DD (e.g. 06-01).')]
 class UpdateUserTool
 {
     public function __construct(
@@ -36,8 +35,6 @@ class UpdateUserTool
         ?float $annualLeaveDays = null,
         ?string $referencePeriodStart = null,
         ?float $initialLeaveBalance = null,
-        ?string $familySituation = null,
-        ?int $nbChildren = null,
     ): string {
         if (!$this->security->isGranted('ROLE_ADMIN')) {
             throw new AccessDeniedException('Access denied: ROLE_ADMIN required.');
@@ -75,15 +72,6 @@ class UpdateUserTool
         if (null !== $initialLeaveBalance) {
             $user->setInitialLeaveBalance($initialLeaveBalance);
         }
-        if (null !== $familySituation) {
-            $user->setFamilySituation(
-                FamilySituation::tryFrom($familySituation)
-                    ?? throw new InvalidArgumentException(sprintf('Unknown family situation "%s".', $familySituation)),
-            );
-        }
-        if (null !== $nbChildren) {
-            $user->setNbChildren($nbChildren);
-        }
 
         $this->entityManager->flush();
 
diff --git a/src/Mcp/Tool/Serializer.php b/src/Mcp/Tool/Serializer.php
index 7f97043..51a47f0 100644
--- a/src/Mcp/Tool/Serializer.php
+++ b/src/Mcp/Tool/Serializer.php
@@ -389,8 +389,6 @@ final class Serializer
             'annualLeaveDays'      => $u->getAnnualLeaveDays(),
             'referencePeriodStart' => $u->getReferencePeriodStart(),
             'initialLeaveBalance'  => $u->getInitialLeaveBalance(),
-            'familySituation'      => $u->getFamilySituation()?->value,
-            'nbChildren'           => $u->getNbChildren(),
         ];
     }
 }