diff --git a/src/managers/highlights-manager.ts b/src/managers/highlights-manager.ts
index b120232..ab24f32 100644
--- a/src/managers/highlights-manager.ts
+++ b/src/managers/highlights-manager.ts
@@ -21,7 +21,8 @@ export async function exportHighlights(): Promise<void> {
 		const url = URL.createObjectURL(blob);
 
 		const browserType = await detectBrowser();
-		const fileName = 'obsidian_web_clipper_highlights.json';
+		const timestamp = dayjs().format('YYYYMMDDHHmm');
+		const fileName = `obsidian-web-clipper-highlights-${timestamp}.json`;
 
 		if (browserType === 'safari' || browserType === 'mobile-safari') {
 			if (navigator.share) {
@@ -52,4 +53,4 @@ export async function exportHighlights(): Promise<void> {
 		console.error('Error exporting highlights:', error);
 		alert('Failed to export highlights. Please check the console for more details.');
 	}
-}
\ No newline at end of file
+}
diff --git a/src/settings.html b/src/settings.html
index 225ebfe..da66323 100644
--- a/src/settings.html
+++ b/src/settings.html
@@ -188,8 +188,6 @@ <h2>Highlighter</h2>
 								<div class="setting-item-control">
 									<select id="highlighter-behavior">
 										<option value="replace-content">Replace the page content</option>
-										<option value="prepend-highlights" style="display: none;">Add above the page content</option>
-										<option value="highlight-content" style="display: none;">Highlight the page content</option>
 										<option value="no-highlights">Do nothing</option>
 									</select>
 								</div>