diff --git a/services/web/app/src/models/User.mjs b/services/web/app/src/models/User.mjs
index 24ddeda55c..286ad5b872 100644
--- a/services/web/app/src/models/User.mjs
+++ b/services/web/app/src/models/User.mjs
@@ -104,7 +104,7 @@ export const UserSchema = new Schema(
       fontFamily: { type: String },
       lineHeight: { type: String },
       mathPreview: { type: Boolean, default: true },
-      breadcrumbs: { type: Boolean, default: true },
+      breadcrumbs: { type: Boolean, default: false },
       editorTabs: { type: Boolean, default: true },
       nonBlinkingCursor: { type: Boolean, default: false },
       referencesSearchMode: { type: String, default: 'advanced' }, // 'advanced' or 'simple'
diff --git a/services/web/frontend/js/shared/context/user-settings-context.tsx b/services/web/frontend/js/shared/context/user-settings-context.tsx
index 0010ba65d3..5cf73f52b6 100644
--- a/services/web/frontend/js/shared/context/user-settings-context.tsx
+++ b/services/web/frontend/js/shared/context/user-settings-context.tsx
@@ -27,7 +27,7 @@ export const defaultSettings: UserSettings = {
   mathPreview: true,
   editorTabs: true,
   referencesSearchMode: 'advanced',
-  breadcrumbs: true,
+  breadcrumbs: false,
   nonBlinkingCursor: false,
   darkModePdf: false,
   floatingMenu: true,
diff --git a/tools/migrations/20260609112515_disable_breadcrumbs.mjs b/tools/migrations/20260609112515_disable_breadcrumbs.mjs
new file mode 100644
index 0000000000..b1a1671c93
--- /dev/null
+++ b/tools/migrations/20260609112515_disable_breadcrumbs.mjs
@@ -0,0 +1,22 @@
+import { batchedUpdate } from '@overleaf/mongo-utils/batchedUpdate.js'
+
+const tags = ['saas', 'nonblocking']
+
+const migrate = async client => {
+  const { db } = client
+  await batchedUpdate(
+    db.users,
+    {
+      'ace.breadcrumbs': true,
+    },
+    { $set: { 'ace.breadcrumbs': false } }
+  )
+}
+
+const rollback = async () => {}
+
+export default {
+  tags,
+  migrate,
+  rollback,
+}