diff --git a/examples/wgpu.rs b/examples/wgpu.rs
index ee22ee964..a583f6c64 100644
--- a/examples/wgpu.rs
+++ b/examples/wgpu.rs
@@ -153,6 +153,26 @@ impl CompositorHandler for Wgpu {
         _time: u32,
     ) {
     }
+
+    fn surface_enter(
+        &mut self,
+        _conn: &Connection,
+        _qh: &QueueHandle<Self>,
+        _surface: &wl_surface::WlSurface,
+        _output: &wl_output::WlOutput,
+    ) {
+        // Not needed for this example.
+    }
+
+    fn surface_leave(
+        &mut self,
+        _conn: &Connection,
+        _qh: &QueueHandle<Self>,
+        _surface: &wl_surface::WlSurface,
+        _output: &wl_output::WlOutput,
+    ) {
+        // Not needed for this example.
+    }
 }
 
 impl OutputHandler for Wgpu {