diff --git a/public/widget.js b/public/widget.js
index 874e906..92a3a4e 100644
--- a/public/widget.js
+++ b/public/widget.js
@@ -42,7 +42,6 @@
         <header>
           <strong>${escapeHtml(copy.title)}</strong>
           <small>${escapeHtml(site.isOnline ? copy.intro : copy.offlineIntro)}</small>
-          <small class="mf-lang-debug">jazyk: sent=${escapeHtml(lang || "default")} / requested=${escapeHtml(config.requestedLanguage || "default")} / used=${escapeHtml(config.language || "default")}</small>
           <button class="mf-close" type="button" aria-label="Close">×</button>
         </header>
         <div class="mf-messages"></div>
@@ -599,7 +598,6 @@
       header { position: relative; display: grid; gap: 3px; background: ${c.brand}; color: ${c.brandText}; padding: 15px 122px 15px 16px; }
       header strong { font-size: 16px; }
       header small { opacity: .92; font-size: 13px; line-height: 1.35; }
-      .mf-lang-debug { opacity: .78; font-size: 11px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
       .mf-header-actions { position: absolute; top: 9px; right: 9px; display: flex; gap: 6px; }
       .mf-close, .mf-info { width: 30px; height: 30px; display: grid; place-items: center; border: 0; border-radius: 6px; background: rgb(255 255 255 / 16%); color: ${c.brandText}; cursor: pointer; padding: 0; }
       .mf-close svg, .mf-info svg { width: 19px; height: 19px; fill: currentColor; }