diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8d2de2a..3f9b8bf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Updated `eframe` dependency to `0.16`
 - Updated `simple_logger` dependency to `2.1`. Now using UTC timestamps.
 
+### Removed
+
+- Rescan button. Device changes are now detected automatically.
+
 ## [1.0.0] - 2021-10-31
 
 First stable release.
diff --git a/src/main.rs b/src/main.rs
index a80e4a7..d70eedc 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -577,7 +577,7 @@ pub fn device_selection(
             ui.set_enabled(!device_list.is_empty());
 
             let combo_box = egui::ComboBox::from_id_source("device_list")
-                .width(ui.available_width() - 100.0)
+                .width(ui.available_width() - 10.0)
                 .show_index(ui, &mut device_index, device_list.len(), |i| {
                     if device_count > 0 {
                         device_list[i].clone()
@@ -597,16 +597,6 @@ pub fn device_selection(
                 }
             };
         });
-
-        ui.centered_and_justified(|ui| {
-            if ui
-                .button("Rescan")
-                .on_hover_text("Search for new MIDI devices\n and update device list")
-                .clicked()
-            {
-                message_sender.send(Message::RescanDevices).ok();
-            };
-        });
     });
 }