diff --git a/about.html b/about.html
index b9f8578..dce110a 100644
--- a/about.html
+++ b/about.html
@@ -50,11 +50,6 @@
     <a href="guide-envoi.html" data-i18n="nav.guide">Guide d'envoi</a>
     <a href="contact.html" data-i18n="nav.contact">Contact</a>
     <a href="application.html" data-i18n="nav.app">Prochainement</a>
-    <div class="lang-switcher" style="margin-top:16px">
-      <button data-lang="fr" class="active">FR</button>
-      <button data-lang="en">EN</button>
-      <button data-lang="mg">MG</button>
-    </div>
   </nav>
   <div class="overlay" id="overlay"></div>
 
diff --git a/accueil.html b/accueil.html
index ba70f7c..4fc0790 100644
--- a/accueil.html
+++ b/accueil.html
@@ -56,11 +56,6 @@
     <a href="guide-envoi.html" data-i18n="nav.guide">Guide d'envoi</a>
     <a href="contact.html" data-i18n="nav.contact">Contact</a>
     <a href="application.html" data-i18n="nav.app">Prochainement</a>
-    <div class="lang-switcher" style="margin-top:16px">
-      <button data-lang="fr" class="active">FR</button>
-      <button data-lang="en">EN</button>
-      <button data-lang="mg">MG</button>
-    </div>
   </nav>
   <div class="overlay" id="overlay"></div>
 
diff --git a/application.html b/application.html
index dad9d56..8b58c02 100644
--- a/application.html
+++ b/application.html
@@ -46,11 +46,6 @@
     <a href="guide-envoi.html" data-i18n="nav.guide">Guide d'envoi</a>
     <a href="contact.html" data-i18n="nav.contact">Contact</a>
     <a href="application.html" data-i18n="nav.app">Application</a>
-    <div class="lang-switcher" style="margin-top:16px">
-      <button data-lang="fr" class="active">FR</button>
-      <button data-lang="en">EN</button>
-      <button data-lang="mg">MG</button>
-    </div>
   </nav>
   <div class="overlay" id="overlay"></div>
 
diff --git a/cgv.html b/cgv.html
index df95972..abd5e27 100644
--- a/cgv.html
+++ b/cgv.html
@@ -86,11 +86,6 @@
     <a href="guide-envoi.html" data-i18n="nav.guide">Guide d'envoi</a>
     <a href="contact.html" data-i18n="nav.contact">Contact</a>
     <a href="application.html" data-i18n="nav.app">Prochainement</a>
-    <div class="lang-switcher" style="margin-top:16px">
-      <button data-lang="fr" class="active">FR</button>
-      <button data-lang="en">EN</button>
-      <button data-lang="mg">MG</button>
-    </div>
   </nav>
   <div class="overlay" id="overlay"></div>
 
diff --git a/contact.html b/contact.html
index 53675ff..219377f 100644
--- a/contact.html
+++ b/contact.html
@@ -46,11 +46,6 @@
     <a href="guide-envoi.html" data-i18n="nav.guide">Guide d'envoi</a>
     <a href="contact.html" data-i18n="nav.contact">Contact</a>
     <a href="application.html" data-i18n="nav.app">Prochainement</a>
-    <div class="lang-switcher" style="margin-top:16px">
-      <button data-lang="fr" class="active">FR</button>
-      <button data-lang="en">EN</button>
-      <button data-lang="mg">MG</button>
-    </div>
   </nav>
   <div class="overlay" id="overlay"></div>
 
diff --git a/guide-envoi.html b/guide-envoi.html
index a31a42d..ed10bb3 100644
--- a/guide-envoi.html
+++ b/guide-envoi.html
@@ -46,11 +46,6 @@
     <a href="guide-envoi.html" data-i18n="nav.guide">Guide d'envoi</a>
     <a href="contact.html" data-i18n="nav.contact">Contact</a>
     <a href="application.html" data-i18n="nav.app">Prochainement</a>
-    <div class="lang-switcher" style="margin-top:16px">
-      <button data-lang="fr" class="active">FR</button>
-      <button data-lang="en">EN</button>
-      <button data-lang="mg">MG</button>
-    </div>
   </nav>
   <div class="overlay" id="overlay"></div>
 
diff --git a/js/form-handler.js b/js/form-handler.js
index c869082..d83ae00 100644
--- a/js/form-handler.js
+++ b/js/form-handler.js
@@ -351,8 +351,11 @@ function showAlreadyRegistered(contact) {
   // Envoi d'une notification interne à MVA (sans modifier les données du client)
   notifyDuplicateViaFormspree(contact);
 
-  // Envoi d'un email "Ravis de te revoir" au client avec son n° de référence
-  sendWelcomeBackEmail(contact);
+  // Email "Ravis de te revoir" via EmailJS désactivé (= post-migration 2026-05-07).
+  // Le compte EmailJS n'est plus accessible (Melissa-only) et son template a un
+  // footer "(c) 2025" obsolète. Le client a déjà sa référence affichée via
+  // `showAlreadyRegistered` ci-dessus — l'email est cosmétique. À ré-implémenter
+  // via Worker + Resend en follow-up si jugé utile.
 }
 
 function showError() {
diff --git a/mentions-legales.html b/mentions-legales.html
index 95e4e89..1309131 100644
--- a/mentions-legales.html
+++ b/mentions-legales.html
@@ -69,11 +69,6 @@
     <a href="guide-envoi.html" data-i18n="nav.guide">Guide d'envoi</a>
     <a href="contact.html" data-i18n="nav.contact">Contact</a>
     <a href="application.html" data-i18n="nav.app">Prochainement</a>
-    <div class="lang-switcher" style="margin-top:16px">
-      <button data-lang="fr" class="active">FR</button>
-      <button data-lang="en">EN</button>
-      <button data-lang="mg">MG</button>
-    </div>
   </nav>
   <div class="overlay" id="overlay"></div>
 
diff --git a/politique-confidentialite.html b/politique-confidentialite.html
index 5abd9f6..a8ec247 100644
--- a/politique-confidentialite.html
+++ b/politique-confidentialite.html
@@ -78,11 +78,6 @@
     <a href="guide-envoi.html" data-i18n="nav.guide">Guide d'envoi</a>
     <a href="contact.html" data-i18n="nav.contact">Contact</a>
     <a href="application.html" data-i18n="nav.app">Prochainement</a>
-    <div class="lang-switcher" style="margin-top:16px">
-      <button data-lang="fr" class="active">FR</button>
-      <button data-lang="en">EN</button>
-      <button data-lang="mg">MG</button>
-    </div>
   </nav>
   <div class="overlay" id="overlay"></div>
 
diff --git a/service-commande.html b/service-commande.html
index 3b6ceea..1d54178 100644
--- a/service-commande.html
+++ b/service-commande.html
@@ -47,11 +47,6 @@
     <a href="guide-envoi.html" data-i18n="nav.guide">Guide d'envoi</a>
     <a href="contact.html" data-i18n="nav.contact">Contact</a>
     <a href="application.html" data-i18n="nav.app">Prochainement</a>
-    <div class="lang-switcher" style="margin-top:16px">
-      <button data-lang="fr" class="active">FR</button>
-      <button data-lang="en">EN</button>
-      <button data-lang="mg">MG</button>
-    </div>
   </nav>
   <div class="overlay" id="overlay"></div>
 
diff --git a/tarifs.html b/tarifs.html
index 5ffa291..6f99b1b 100644
--- a/tarifs.html
+++ b/tarifs.html
@@ -46,11 +46,6 @@
     <a href="guide-envoi.html" data-i18n="nav.guide">Guide d'envoi</a>
     <a href="contact.html" data-i18n="nav.contact">Contact</a>
     <a href="application.html" data-i18n="nav.app">Prochainement</a>
-    <div class="lang-switcher" style="margin-top:16px">
-      <button data-lang="fr" class="active">FR</button>
-      <button data-lang="en">EN</button>
-      <button data-lang="mg">MG</button>
-    </div>
   </nav>
   <div class="overlay" id="overlay"></div>