diff --git a/public/index.html b/public/index.html
index 4de37ea..ef2741d 100644
--- a/public/index.html
+++ b/public/index.html
@@ -35,10 +35,6 @@
             <label>Nom d'utilisateur</label>
             <input type="text" id="regUsername" autocomplete="username" required />
           </div>
-          <div class="authField">
-            <label>Adresse courriel</label>
-            <input type="email" id="regEmail" autocomplete="email" required />
-          </div>
           <div class="authField">
             <label>Mot de passe <span class="authHint">(6 caractères min.)</span></label>
             <input type="password" id="regPassword" autocomplete="new-password" required />
@@ -64,6 +60,7 @@
               </label>
             </div>
           </div>
+          <p class="authNotice">⚠ En cas d'oubli du mot de passe, aucune récupération n'est possible.</p>
           <div class="authError hidden" id="registerError"></div>
           <button type="submit" class="authSubmit">Créer le compte</button>
         </form>
diff --git a/public/src/api.js b/public/src/api.js
index d39d39f..b7e7dec 100644
--- a/public/src/api.js
+++ b/public/src/api.js
@@ -42,11 +42,11 @@ export async function apiLogin(username, password) {
   });
 }
 
-export async function apiRegister(username, email, password, team) {
+export async function apiRegister(username, password, team) {
   return fetch("/api/auth/register", {
     method: "POST",
     headers: { "Content-Type": "application/json" },
-    body: JSON.stringify({ username, email, password, team }),
+    body: JSON.stringify({ username, password, team }),
   });
 }
 
diff --git a/public/src/auth.js b/public/src/auth.js
index abafd30..8b531e6 100644
--- a/public/src/auth.js
+++ b/public/src/auth.js
@@ -12,7 +12,6 @@ const loginUsernameEl = document.getElementById("loginUsername");
 const loginPasswordEl = document.getElementById("loginPassword");
 const loginErrorEl    = document.getElementById("loginError");
 const regUsernameEl   = document.getElementById("regUsername");
-const regEmailEl      = document.getElementById("regEmail");
 const regPasswordEl   = document.getElementById("regPassword");
 const registerErrorEl = document.getElementById("registerError");
 const regCountBlueEl  = document.getElementById("regCountBlue");
@@ -126,12 +125,11 @@ registerForm.addEventListener("submit", async (e) => {
   e.preventDefault();
   clearError(registerErrorEl);
   const username  = regUsernameEl.value.trim();
-  const email     = regEmailEl.value.trim();
   const password  = regPasswordEl.value;
   const teamInput = registerForm.querySelector('input[name="regTeam"]:checked');
   if (!teamInput) { showError(registerErrorEl, "Please choose a team."); return; }
   try {
-    const res  = await apiRegister(username, email, password, teamInput.value);
+    const res  = await apiRegister(username, password, teamInput.value);
     const data = await res.json();
     if (!res.ok) {
       const msgs = {
diff --git a/public/style.css b/public/style.css
index 1786205..7f3c34d 100644
--- a/public/style.css
+++ b/public/style.css
@@ -182,6 +182,14 @@ body {
   display: none;
 }
 
+.authNotice {
+  margin: 0;
+  font-size: 11px;
+  color: rgba(255, 193, 113, 0.85);
+  text-align: center;
+  opacity: 0.8;
+}
+
 .authSubmit {
   margin-top: 4px;
   padding: 12px;
diff --git a/server/db/usersDb.js b/server/db/usersDb.js
index 4e05b09..da4cad6 100644
--- a/server/db/usersDb.js
+++ b/server/db/usersDb.js
@@ -7,7 +7,6 @@ export async function initUsersSchema() {
     CREATE TABLE IF NOT EXISTS users (
       id SERIAL PRIMARY KEY,
       username TEXT NOT NULL UNIQUE,
-      email TEXT NOT NULL UNIQUE,
       password_hash TEXT NOT NULL,
       team TEXT NOT NULL CHECK (team IN ('blue', 'red')),
       role TEXT NOT NULL DEFAULT 'user' CHECK (role IN ('user', 'admin')),
@@ -18,19 +17,19 @@ export async function initUsersSchema() {
 
 // ── Queries ───────────────────────────────────────────────────────────────────
 
-export async function createUser(username, email, passwordHash, team) {
+export async function createUser(username, passwordHash, team) {
   const { rows } = await usersPool.query(
-    `INSERT INTO users (username, email, password_hash, team)
-     VALUES ($1, $2, $3, $4)
-     RETURNING id, username, email, team, role`,
-    [username, email, passwordHash, team]
+    `INSERT INTO users (username, password_hash, team)
+     VALUES ($1, $2, $3)
+     RETURNING id, username, team, role`,
+    [username, passwordHash, team]
   );
   return rows[0];
 }
 
 export async function getUserByUsername(username) {
   const { rows } = await usersPool.query(
-    `SELECT id, username, email, team, role, password_hash FROM users WHERE username = $1`,
+    `SELECT id, username, team, role, password_hash FROM users WHERE username = $1`,
     [username]
   );
   return rows[0] ?? null;
@@ -38,7 +37,7 @@ export async function getUserByUsername(username) {
 
 export async function getUserById(id) {
   const { rows } = await usersPool.query(
-    `SELECT id, username, email, team, role FROM users WHERE id = $1`,
+    `SELECT id, username, team, role FROM users WHERE id = $1`,
     [id]
   );
   return rows[0] ?? null;
diff --git a/server/routes/auth.js b/server/routes/auth.js
index 8eeda35..c417d82 100644
--- a/server/routes/auth.js
+++ b/server/routes/auth.js
@@ -16,8 +16,8 @@ function issueToken(user) {
 
 // POST /api/auth/register
 router.post("/register", async (req, res) => {
-  const { username, email, password, team } = req.body ?? {};
-  if (!username || !email || !password || !team) {
+  const { username, password, team } = req.body ?? {};
+  if (!username || !password || !team) {
     return res.status(400).json({ error: "missing_fields" });
   }
   if (team !== "blue" && team !== "red") {
@@ -31,7 +31,7 @@ router.post("/register", async (req, res) => {
   }
   try {
     const passwordHash = await bcrypt.hash(password, 12);
-    const user = await createUser(username.trim(), email.trim().toLowerCase(), passwordHash, team);
+    const user = await createUser(username.trim(), passwordHash, team);
     const token = issueToken(user);
     return res.status(201).json({
       token,
@@ -39,7 +39,6 @@ router.post("/register", async (req, res) => {
     });
   } catch (e) {
     if (e.code === "23505") {
-      if (e.constraint?.includes("email")) return res.status(409).json({ error: "email_taken" });
       return res.status(409).json({ error: "username_taken" });
     }
     console.error(e);