diff --git a/examples/config/src/main.rs b/examples/config/src/main.rs
index f606e15c..f6fb5c0d 100644
--- a/examples/config/src/main.rs
+++ b/examples/config/src/main.rs
@@ -4,7 +4,7 @@
 use cosmic_config::{Config, ConfigGet, ConfigSet};
 
 fn test_config(config: Config) {
-    let watcher = config
+    let _watcher = config
         .watch(|config, keys| {
             println!("Changed: {:?}", keys);
             for key in keys.iter() {
diff --git a/examples/cosmic/src/window.rs b/examples/cosmic/src/window.rs
index 8f621c19..b4016ea9 100644
--- a/examples/cosmic/src/window.rs
+++ b/examples/cosmic/src/window.rs
@@ -8,7 +8,6 @@ use cosmic::{
     font::load_fonts,
     iced::{self, Application, Command, Length, Subscription},
     iced::{
-        subscription,
         widget::{self, column, container, horizontal_space, row, text},
         window::{self, close, drag, minimize, toggle_maximize},
     },
@@ -306,10 +305,10 @@ impl Window {
         ]).into()
     }
 
-    fn view_unimplemented_sub_page<'a, Message: Clone + From<Page> + 'static>(
-        &'a self,
+    fn view_unimplemented_sub_page<Message: Clone + From<Page> + 'static>(
+        &self,
         sub_page: impl SubPage,
-    ) -> Element<'a, Message> {
+    ) -> Element<'_, Message> {
         settings::view_column(vec![
             self.parent_page_button(sub_page),
             text("We haven't created that panel yet, and/or it is using a similar idea as current Pop! designs.").into(),
diff --git a/examples/multi-window/src/window.rs b/examples/multi-window/src/window.rs
index 4c9b1407..0b269cf7 100644
--- a/examples/multi-window/src/window.rs
+++ b/examples/multi-window/src/window.rs
@@ -5,7 +5,7 @@ use cosmic::{
     iced::{self, event, window},
     iced_core::{id, Alignment, Length, Point},
     iced_widget::{column, container, scrollable, text, text_input},
-    widget::{button, cosmic_container},
+    widget::button,
     Command,
 };
 
diff --git a/src/app/mod.rs b/src/app/mod.rs
index 17d37dbf..ab42dd5d 100644
--- a/src/app/mod.rs
+++ b/src/app/mod.rs
@@ -101,7 +101,7 @@ pub(crate) fn iced_settings<App: Application>(
                 autosize: settings.autosize,
                 client_decorations: settings.client_decorations,
                 resizable: settings.resizable,
-                size: (settings.size.width as u32, settings.size.height as u32).into(),
+                size: (settings.size.width as u32, settings.size.height as u32),
                 size_limits: settings.size_limits,
                 title: None,
                 transparent: settings.transparent,
@@ -567,9 +567,7 @@ impl<App: Application> ApplicationExt for App {
 
     #[cfg(not(feature = "multi-window"))]
     fn set_window_title(&mut self, title: String) -> iced::Command<Message<Self::Message>> {
-        self.core_mut()
-            .title
-            .insert(window::Id::MAIN, title.clone());
+        self.core_mut().title.insert(window::Id::MAIN, title);
         iced::Command::none()
     }
 
diff --git a/src/widget/context_drawer/overlay.rs b/src/widget/context_drawer/overlay.rs
index a66f3900..1096c89d 100644
--- a/src/widget/context_drawer/overlay.rs
+++ b/src/widget/context_drawer/overlay.rs
@@ -34,7 +34,7 @@ where
         let mut node = self
             .content
             .as_widget()
-            .layout(&mut self.tree, renderer, &limits);
+            .layout(self.tree, renderer, &limits);
         let node_size = node.size();
 
         node.move_to(Point {
diff --git a/src/widget/menu/menu_inner.rs b/src/widget/menu/menu_inner.rs
index a0f3439c..a731c98d 100644
--- a/src/widget/menu/menu_inner.rs
+++ b/src/widget/menu/menu_inner.rs
@@ -484,8 +484,8 @@ where
                     (root, Vec::new()),
                     |(menu_root, mut nodes), (_i, ms)| {
                         let slice = ms.slice(bounds, overlay_offset, self.item_height);
-                        let start_index = slice.start_index;
-                        let end_index = slice.end_index;
+                        let _start_index = slice.start_index;
+                        let _end_index = slice.end_index;
                         let children_node = ms.layout(
                             overlay_offset,
                             slice,
diff --git a/src/widget/text_input/input.rs b/src/widget/text_input/input.rs
index 02386a03..043718ed 100644
--- a/src/widget/text_input/input.rs
+++ b/src/widget/text_input/input.rs
@@ -640,7 +640,7 @@ where
             if cursor_position.is_over(leading_icon_layout.bounds()) {
                 return leading_icon.as_widget_mut().on_event(
                     tree,
-                    event.clone(),
+                    event,
                     leading_icon_layout,
                     cursor_position,
                     renderer,
@@ -678,7 +678,7 @@ where
             if cursor_position.is_over(trailing_icon_layout.bounds()) {
                 return trailing_icon.as_widget_mut().on_event(
                     tree,
-                    event.clone(),
+                    event,
                     trailing_icon_layout,
                     cursor_position,
                     renderer,
@@ -1579,7 +1579,7 @@ where
                     }
                 })));
                 let target = x as f32 - text_layout.bounds().x;
-                state.dnd_offer = DndOfferState::HandlingOffer(mime_types.clone(), DndAction::None);
+                state.dnd_offer = DndOfferState::HandlingOffer(mime_types, DndAction::None);
                 // existing logic for setting the selection
                 let position = if target > 0.0 {
                     let value = if is_secure {
@@ -1646,7 +1646,7 @@ where
                             accepted: DndAction::Move.union(DndAction::Copy),
                         }
                     })));
-                    state.dnd_offer = DndOfferState::HandlingOffer(mime_types.clone(), action);
+                    state.dnd_offer = DndOfferState::HandlingOffer(mime_types, action);
                 }
             };
             let target = x as f32 - text_layout.bounds().x;