diff --git a/static/js/document.js b/static/js/document.js
index f9ebee9e..6d58ba7e 100644
--- a/static/js/document.js
+++ b/static/js/document.js
@@ -10008,24 +10008,7 @@ import { bindMenuDismiss, dismissOrRemove } from './escMenuStack.js';
   }
 
   function _handleMarkdownPreviewClickHint() {
-    if (!_isMarkdownPreviewVisible()) return;
-    const lang = ((docs.get(activeDocId)?.language) || document.getElementById('doc-language-select')?.value || '').toLowerCase();
-    if (lang !== 'markdown') return;
-
-    const now = Date.now();
-    _mdPreviewClickTimes = _mdPreviewClickTimes.filter(ts => now - ts < 2500);
-    _mdPreviewClickTimes.push(now);
-    if (_mdPreviewClickTimes.length < 3 || now - _mdPreviewHintLastAt < 5000) return;
-
-    _mdPreviewHintLastAt = now;
-    _mdPreviewClickTimes = [];
-    if (uiModule?.showToast) {
-      uiModule.showToast('Preview is read-only. Click Write to edit the document.', {
-        duration: 5000,
-        action: 'Write',
-        onAction: () => _setMarkdownPreviewActive(false, { remember: true }),
-      });
-    }
+    // Intentionally removed — click-to-highlight while reading is normal behavior
   }
 
   function _refreshMarkdownPreviewIfVisible(docId, content) {