diff --git a/src/ui/preview.rs b/src/ui/preview.rs
index 1573a14c..e77c1293 100644
--- a/src/ui/preview.rs
+++ b/src/ui/preview.rs
@@ -28,6 +28,8 @@ impl PreviewApp {
 
 impl eframe::App for PreviewApp {
     fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
-        egui::CentralPanel::default().show(ctx, |ui| self.view.ui(ui));
+        egui::CentralPanel::default()
+            .frame(egui::Frame::none())
+            .show(ctx, |ui| self.view.ui(ui));
     }
 }