2 files changed, 5 insertions, 57 deletions
diff --git a/core/src/overlay/element.rs b/core/src/overlay/element.rs
index 695b88b3..61e75e8a 100644
--- a/core/src/overlay/element.rs
+++ b/core/src/overlay/element.rs
@@ -5,9 +5,7 @@ use crate::layout;
 use crate::mouse;
 use crate::renderer;
 use crate::widget;
-use crate::{Clipboard, Layout, Point, Rectangle, Shell, Size, Vector};
-
-use std::any::Any;
+use crate::{Clipboard, Layout, Point, Rectangle, Shell, Size};
 
 /// A generic [`Overlay`].
 #[allow(missing_debug_implementations)]
@@ -94,7 +92,7 @@ where
         &mut self,
         layout: Layout<'_>,
         renderer: &Renderer,
-        operation: &mut dyn widget::Operation<Message>,
+        operation: &mut dyn widget::Operation<()>,
     ) {
         self.overlay.operate(layout, renderer, operation);
     }
@@ -146,59 +144,9 @@ where
         &mut self,
         layout: Layout<'_>,
         renderer: &Renderer,
-        operation: &mut dyn widget::Operation<B>,
+        operation: &mut dyn widget::Operation<()>,
     ) {
-        struct MapOperation<'a, B> {
-            operation: &'a mut dyn widget::Operation<B>,
-        }
-
-        impl<'a, T, B> widget::Operation<T> for MapOperation<'a, B> {
-            fn container(
-                &mut self,
-                id: Option<&widget::Id>,
-                bounds: Rectangle,
-                operate_on_children: &mut dyn FnMut(
-                    &mut dyn widget::Operation<T>,
-                ),
-            ) {
-                self.operation.container(id, bounds, &mut |operation| {
-                    operate_on_children(&mut MapOperation { operation });
-                });
-            }
-
-            fn focusable(
-                &mut self,
-                state: &mut dyn widget::operation::Focusable,
-                id: Option<&widget::Id>,
-            ) {
-                self.operation.focusable(state, id);
-            }
-
-            fn scrollable(
-                &mut self,
-                state: &mut dyn widget::operation::Scrollable,
-                id: Option<&widget::Id>,
-                bounds: Rectangle,
-                translation: Vector,
-            ) {
-                self.operation.scrollable(state, id, bounds, translation);
-            }
-
-            fn text_input(
-                &mut self,
-                state: &mut dyn widget::operation::TextInput,
-                id: Option<&widget::Id>,
-            ) {
-                self.operation.text_input(state, id);
-            }
-
-            fn custom(&mut self, state: &mut dyn Any, id: Option<&widget::Id>) {
-                self.operation.custom(state, id);
-            }
-        }
-
-        self.content
-            .operate(layout, renderer, &mut MapOperation { operation });
+        self.content.operate(layout, renderer, operation);
     }
 
     fn on_event(
diff --git a/core/src/overlay/group.rs b/core/src/overlay/group.rs
index 7e4bebd0..cd12eac9 100644
--- a/core/src/overlay/group.rs
+++ b/core/src/overlay/group.rs
@@ -132,7 +132,7 @@ where
         &mut self,
         layout: Layout<'_>,
         renderer: &Renderer,
-        operation: &mut dyn widget::Operation<Message>,
+        operation: &mut dyn widget::Operation<()>,
     ) {
         operation.container(None, layout.bounds(), &mut |operation| {
             self.children.iter_mut().zip(layout.children()).for_each(