diff --git a/build/wire.rs b/build/wire.rs
index f6d1979e..e6c597f2 100644
--- a/build/wire.rs
+++ b/build/wire.rs
@@ -723,6 +723,10 @@ fn write_request_handler<W: Write>(
     messages: &ParseResult,
 ) -> Result<()> {
     writeln!(f)?;
+    // TODO: remove this after https://github.com/mahkoh/jay/pull/190
+    if camel_obj_name == "ZwpTabletToolV2" {
+        writeln!(f, "    #[allow(dead_code)]")?;
+    }
     writeln!(
         f,
         "    pub trait {camel_obj_name}RequestHandler: crate::object::Object + Sized {{"
diff --git a/src/backend.rs b/src/backend.rs
index f1ded7d8..bfed7dc2 100644
--- a/src/backend.rs
+++ b/src/backend.rs
@@ -24,6 +24,7 @@ linear_ids!(DrmDeviceIds, DrmDeviceId);
 
 pub trait Backend {
     fn run(self: Rc<Self>) -> SpawnedFuture<Result<(), Box<dyn Error>>>;
+    #[cfg_attr(not(feature = "it"), allow(dead_code))]
     fn into_any(self: Rc<Self>) -> Rc<dyn Any>;
 
     fn switch_to(&self, vtnr: u32) {
diff --git a/src/backends/metal/video.rs b/src/backends/metal/video.rs
index edf4a611..7fc0531a 100644
--- a/src/backends/metal/video.rs
+++ b/src/backends/metal/video.rs
@@ -1473,10 +1473,10 @@ fn create_connector_display_data(
         for descriptor in edid.base_block.descriptors.iter().flatten() {
             match descriptor {
                 Descriptor::DisplayProductSerialNumber(s) => {
-                    serial_number = s.clone();
+                    serial_number.clone_from(s);
                 }
                 Descriptor::DisplayProductName(s) => {
-                    name = s.clone();
+                    name.clone_from(s);
                 }
                 _ => {}
             }
diff --git a/src/gfx_api.rs b/src/gfx_api.rs
index cd3cc317..a8f79551 100644
--- a/src/gfx_api.rs
+++ b/src/gfx_api.rs
@@ -222,8 +222,6 @@ pub enum ResetStatus {
 }
 
 pub trait GfxFramebuffer: Debug {
-    fn as_any(&self) -> &dyn Any;
-
     fn take_render_ops(&self) -> Vec<GfxApiOpt>;
 
     fn physical_size(&self) -> (i32, i32);
diff --git a/src/gfx_apis/gl/renderer/framebuffer.rs b/src/gfx_apis/gl/renderer/framebuffer.rs
index 41a104ac..96d42e08 100644
--- a/src/gfx_apis/gl/renderer/framebuffer.rs
+++ b/src/gfx_apis/gl/renderer/framebuffer.rs
@@ -15,7 +15,6 @@ use {
         theme::Color,
     },
     std::{
-        any::Any,
         cell::Cell,
         fmt::{Debug, Formatter},
         mem,
@@ -100,10 +99,6 @@ impl Framebuffer {
 }
 
 impl GfxFramebuffer for Framebuffer {
-    fn as_any(&self) -> &dyn Any {
-        self
-    }
-
     fn take_render_ops(&self) -> Vec<GfxApiOpt> {
         mem::take(&mut *self.ctx.gfx_ops.borrow_mut())
     }
diff --git a/src/gfx_apis/vulkan/device.rs b/src/gfx_apis/vulkan/device.rs
index 6649c713..1019f29e 100644
--- a/src/gfx_apis/vulkan/device.rs
+++ b/src/gfx_apis/vulkan/device.rs
@@ -20,7 +20,7 @@ use {
     ash::{
         extensions::khr::{ExternalFenceFd, ExternalMemoryFd, ExternalSemaphoreFd, PushDescriptor},
         vk::{
-            DeviceCreateInfo, DeviceMemory, DeviceQueueCreateInfo, ExtExternalMemoryDmaBufFn,
+            DeviceCreateInfo, DeviceQueueCreateInfo, ExtExternalMemoryDmaBufFn,
             ExtImageDrmFormatModifierFn, ExtPhysicalDeviceDrmFn, ExtQueueFamilyForeignFn,
             ExternalSemaphoreFeatureFlags, ExternalSemaphoreHandleTypeFlags,
             ExternalSemaphoreProperties, KhrDriverPropertiesFn, KhrExternalFenceFdFn,
@@ -84,16 +84,6 @@ impl VulkanDevice {
     }
 }
 
-struct FreeMem<'a>(&'a Device, DeviceMemory);
-
-impl<'a> Drop for FreeMem<'a> {
-    fn drop(&mut self) {
-        unsafe {
-            self.0.free_memory(self.1, None);
-        }
-    }
-}
-
 impl VulkanInstance {
     fn get_device_extensions(&self, phy_dev: PhysicalDevice) -> Result<Extensions, VulkanError> {
         unsafe {
diff --git a/src/gfx_apis/vulkan/format.rs b/src/gfx_apis/vulkan/format.rs
index 79b03c34..f5f425ae 100644
--- a/src/gfx_apis/vulkan/format.rs
+++ b/src/gfx_apis/vulkan/format.rs
@@ -27,11 +27,6 @@ pub struct VulkanFormat {
     pub features: FormatFeatureFlags,
 }
 
-#[derive(Debug)]
-pub struct VulkanFormatFeatures {
-    pub linear_sampling: bool,
-}
-
 #[derive(Debug)]
 pub struct VulkanModifier {
     pub modifier: Modifier,
diff --git a/src/gfx_apis/vulkan/image.rs b/src/gfx_apis/vulkan/image.rs
index 0cbe6118..f8f3fa8f 100644
--- a/src/gfx_apis/vulkan/image.rs
+++ b/src/gfx_apis/vulkan/image.rs
@@ -516,10 +516,6 @@ impl Debug for VulkanImage {
 }
 
 impl GfxFramebuffer for VulkanImage {
-    fn as_any(&self) -> &dyn Any {
-        self
-    }
-
     fn take_render_ops(&self) -> Vec<GfxApiOpt> {
         self.render_ops.take()
     }
diff --git a/src/gfx_apis/vulkan/renderer.rs b/src/gfx_apis/vulkan/renderer.rs
index 69a53aa5..2811a57c 100644
--- a/src/gfx_apis/vulkan/renderer.rs
+++ b/src/gfx_apis/vulkan/renderer.rs
@@ -1023,9 +1023,6 @@ impl Debug for VulkanRenderer {
     }
 }
 
-#[derive(Debug)]
-pub struct TmpShmTexture(pub i32, pub i32);
-
 impl VulkanImage {
     fn assert_device(&self, device: &Device) {
         assert_eq!(
diff --git a/src/globals.rs b/src/globals.rs
index 8fef5937..2989539b 100644
--- a/src/globals.rs
+++ b/src/globals.rs
@@ -116,7 +116,6 @@ pub trait GlobalBase {
 pub trait Global: GlobalBase {
     fn singleton(&self) -> bool;
     fn version(&self) -> u32;
-    fn break_loops(&self) {}
     fn required_caps(&self) -> ClientCaps {
         ClientCaps::none()
     }
diff --git a/src/ifs/ipc.rs b/src/ifs/ipc.rs
index e7729437..40ea6338 100644
--- a/src/ifs/ipc.rs
+++ b/src/ifs/ipc.rs
@@ -101,7 +101,6 @@ pub trait DynDataOffer: 'static {
     fn offer_id(&self) -> DataOfferId;
     fn client_id(&self) -> ClientId;
     fn send_offer(&self, mime_type: &str);
-    fn destroy(&self);
     fn cancel(&self);
     fn get_seat(&self) -> Rc<WlSeatGlobal>;
 
diff --git a/src/ifs/ipc/wl_data_offer.rs b/src/ifs/ipc/wl_data_offer.rs
index 20c14796..333b6a7a 100644
--- a/src/ifs/ipc/wl_data_offer.rs
+++ b/src/ifs/ipc/wl_data_offer.rs
@@ -64,10 +64,6 @@ impl DynDataOffer for WlDataOffer {
         WlDataOffer::send_offer(self, mime_type);
     }
 
-    fn destroy(&self) {
-        destroy_data_offer::<ClipboardIpc>(self);
-    }
-
     fn cancel(&self) {
         cancel_offer::<ClipboardIpc>(self);
     }
diff --git a/src/ifs/ipc/x_data_offer.rs b/src/ifs/ipc/x_data_offer.rs
index 7b9887dc..4faaf4ef 100644
--- a/src/ifs/ipc/x_data_offer.rs
+++ b/src/ifs/ipc/x_data_offer.rs
@@ -3,7 +3,7 @@ use {
         client::ClientId,
         ifs::{
             ipc::{
-                cancel_offer, destroy_data_offer,
+                cancel_offer,
                 x_data_device::{XClipboardIpc, XIpcDevice, XPrimarySelectionIpc},
                 DataOffer, DataOfferId, DynDataOffer, IpcLocation, OfferData,
             },
@@ -50,13 +50,6 @@ impl DynDataOffer for XDataOffer {
         })
     }
 
-    fn destroy(&self) {
-        match self.location {
-            IpcLocation::Clipboard => destroy_data_offer::<XClipboardIpc>(self),
-            IpcLocation::PrimarySelection => destroy_data_offer::<XPrimarySelectionIpc>(self),
-        }
-    }
-
     fn cancel(&self) {
         match self.location {
             IpcLocation::Clipboard => cancel_offer::<XClipboardIpc>(self),
diff --git a/src/ifs/ipc/zwlr_data_control_device_v1.rs b/src/ifs/ipc/zwlr_data_control_device_v1.rs
index f5d1e207..01c8f882 100644
--- a/src/ifs/ipc/zwlr_data_control_device_v1.rs
+++ b/src/ifs/ipc/zwlr_data_control_device_v1.rs
@@ -3,7 +3,7 @@ use {
         client::{Client, ClientError},
         ifs::{
             ipc::{
-                destroy_data_device,
+                break_device_loops, destroy_data_device,
                 zwlr_data_control_device_v1::private::{
                     WlrClipboardIpcCore, WlrIpcImpl, WlrPrimarySelectionIpcCore,
                 },
@@ -282,6 +282,8 @@ object_base! {
 
 impl Object for ZwlrDataControlDeviceV1 {
     fn break_loops(&self) {
+        break_device_loops::<WlrClipboardIpc>(self);
+        break_device_loops::<WlrPrimarySelectionIpc>(self);
         self.seat.remove_wlr_device(self);
     }
 }
diff --git a/src/ifs/ipc/zwlr_data_control_offer_v1.rs b/src/ifs/ipc/zwlr_data_control_offer_v1.rs
index 1b8a5358..6307edc1 100644
--- a/src/ifs/ipc/zwlr_data_control_offer_v1.rs
+++ b/src/ifs/ipc/zwlr_data_control_offer_v1.rs
@@ -50,13 +50,6 @@ impl DynDataOffer for ZwlrDataControlOfferV1 {
         ZwlrDataControlOfferV1::send_offer(self, mime_type)
     }
 
-    fn destroy(&self) {
-        match self.location {
-            IpcLocation::Clipboard => destroy_data_offer::<WlrClipboardIpc>(self),
-            IpcLocation::PrimarySelection => destroy_data_offer::<WlrPrimarySelectionIpc>(self),
-        }
-    }
-
     fn cancel(&self) {
         match self.location {
             IpcLocation::Clipboard => cancel_offer::<WlrClipboardIpc>(self),
diff --git a/src/ifs/ipc/zwp_primary_selection_offer_v1.rs b/src/ifs/ipc/zwp_primary_selection_offer_v1.rs
index 7690b4fe..e4a738b5 100644
--- a/src/ifs/ipc/zwp_primary_selection_offer_v1.rs
+++ b/src/ifs/ipc/zwp_primary_selection_offer_v1.rs
@@ -50,10 +50,6 @@ impl DynDataOffer for ZwpPrimarySelectionOfferV1 {
         ZwpPrimarySelectionOfferV1::send_offer(self, mime_type);
     }
 
-    fn destroy(&self) {
-        destroy_data_offer::<PrimarySelectionIpc>(self);
-    }
-
     fn cancel(&self) {
         cancel_offer::<PrimarySelectionIpc>(self);
     }
diff --git a/src/ifs/wl_output.rs b/src/ifs/wl_output.rs
index 0e9c5ea8..837b145f 100644
--- a/src/ifs/wl_output.rs
+++ b/src/ifs/wl_output.rs
@@ -241,10 +241,6 @@ impl Global for WlOutputGlobal {
     fn version(&self) -> u32 {
         OUTPUT_VERSION
     }
-
-    fn break_loops(&self) {
-        self.bindings.borrow_mut().clear();
-    }
 }
 
 dedicated_add_global!(WlOutputGlobal, outputs);
diff --git a/src/ifs/wl_seat.rs b/src/ifs/wl_seat.rs
index 42591b8b..995cf94d 100644
--- a/src/ifs/wl_seat.rs
+++ b/src/ifs/wl_seat.rs
@@ -1203,12 +1203,6 @@ impl Global for WlSeatGlobal {
     fn version(&self) -> u32 {
         9
     }
-
-    fn break_loops(&self) {
-        self.bindings.borrow_mut().clear();
-        self.queue_link.take();
-        self.tree_changed_handler.take();
-    }
 }
 
 dedicated_add_global!(WlSeatGlobal, seats);
diff --git a/src/ifs/wl_surface.rs b/src/ifs/wl_surface.rs
index 4311bf81..be783528 100644
--- a/src/ifs/wl_surface.rs
+++ b/src/ifs/wl_surface.rs
@@ -339,10 +339,6 @@ trait SurfaceExt {
         }
     }
 
-    fn update_subsurface_parent_extents(&self) {
-        // nothing
-    }
-
     fn subsurface_parent(&self) -> Option<Rc<WlSurface>> {
         None
     }
diff --git a/src/ifs/wp_drm_lease_device_v1.rs b/src/ifs/wp_drm_lease_device_v1.rs
index c3bf68a5..3ad2ed5f 100644
--- a/src/ifs/wp_drm_lease_device_v1.rs
+++ b/src/ifs/wp_drm_lease_device_v1.rs
@@ -85,10 +85,6 @@ impl Global for WpDrmLeaseDeviceV1Global {
         1
     }
 
-    fn break_loops(&self) {
-        self.bindings.clear();
-    }
-
     fn required_caps(&self) -> ClientCaps {
         CAP_DRM_LEASE
     }
diff --git a/src/macros.rs b/src/macros.rs
index 9c79ee1e..680d771d 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -467,33 +467,9 @@ macro_rules! fatal {
 
 macro_rules! stacked_node_impl {
     () => {
-        fn stacked_as_node(&self) -> &dyn Node {
-            self
-        }
-
         fn stacked_into_node(self: Rc<Self>) -> Rc<dyn Node> {
             self
         }
-
-        fn stacked_into_dyn(self: Rc<Self>) -> Rc<dyn StackedNode> {
-            self
-        }
-    };
-}
-
-macro_rules! containing_node_impl {
-    () => {
-        fn cnode_as_node(&self) -> &dyn Node {
-            self
-        }
-
-        fn cnode_into_node(self: Rc<Self>) -> Rc<dyn Node> {
-            self
-        }
-
-        fn cnode_into_dyn(self: Rc<Self>) -> Rc<dyn ContainingNode> {
-            self
-        }
     };
 }
 
diff --git a/src/object.rs b/src/object.rs
index ee19f454..eca34cd6 100644
--- a/src/object.rs
+++ b/src/object.rs
@@ -39,6 +39,7 @@ impl Display for ObjectId {
 pub trait ObjectBase {
     fn id(&self) -> ObjectId;
     fn version(&self) -> Version;
+    #[cfg_attr(not(feature = "it"), allow(dead_code))]
     fn into_any(self: Rc<Self>) -> Rc<dyn Any>;
     fn handle_request(
         self: Rc<Self>,
diff --git a/src/pipewire/pw_pod.rs b/src/pipewire/pw_pod.rs
index 9f63a548..d2de0b5a 100644
--- a/src/pipewire/pw_pod.rs
+++ b/src/pipewire/pw_pod.rs
@@ -799,10 +799,6 @@ pub struct spa_meta_cursor {
 
 unsafe impl Pod for spa_meta_cursor {}
 
-#[repr(C)]
-#[derive(Copy, Clone, Debug)]
-pub struct spa_meta_control {}
-
 #[repr(C)]
 #[derive(Copy, Clone, Debug)]
 pub struct spa_meta_busy {
diff --git a/src/tools/tool_client.rs b/src/tools/tool_client.rs
index ce8e7ce2..91457104 100644
--- a/src/tools/tool_client.rs
+++ b/src/tools/tool_client.rs
@@ -345,6 +345,7 @@ pub trait Handle: RequestParser<'static> {
         R: 'static,
         H: for<'a> Fn(&R, Self::Generic<'a>) + 'static;
 
+    #[allow(dead_code)]
     fn handle2<R, F, H>(tl: &Rc<ToolClient>, id: impl Into<ObjectId>, r: R, h: H)
     where
         R: 'static,
diff --git a/src/tree.rs b/src/tree.rs
index 33566120..394cb636 100644
--- a/src/tree.rs
+++ b/src/tree.rs
@@ -358,10 +358,6 @@ pub trait Node: 'static {
         None
     }
 
-    fn node_into_output(self: Rc<Self>) -> Option<Rc<OutputNode>> {
-        None
-    }
-
     fn node_into_surface(self: Rc<Self>) -> Option<Rc<WlSurface>> {
         None
     }
@@ -380,10 +376,6 @@ pub trait Node: 'static {
         false
     }
 
-    fn node_is_output(&self) -> bool {
-        false
-    }
-
     fn node_is_float(&self) -> bool {
         false
     }
diff --git a/src/tree/container.rs b/src/tree/container.rs
index 7750eb34..650d5b0b 100644
--- a/src/tree/container.rs
+++ b/src/tree/container.rs
@@ -1342,8 +1342,6 @@ impl Node for ContainerNode {
 }
 
 impl ContainingNode for ContainerNode {
-    containing_node_impl!();
-
     fn cnode_replace_child(self: Rc<Self>, old: &dyn Node, new: Rc<dyn ToplevelNode>) {
         let node = match self.child_nodes.borrow_mut().remove(&old.node_id()) {
             Some(c) => c,
diff --git a/src/tree/containing.rs b/src/tree/containing.rs
index 94ac7f4c..220af820 100644
--- a/src/tree/containing.rs
+++ b/src/tree/containing.rs
@@ -4,10 +4,6 @@ use {
 };
 
 pub trait ContainingNode: Node {
-    fn cnode_as_node(&self) -> &dyn Node;
-    fn cnode_into_node(self: Rc<Self>) -> Rc<dyn Node>;
-    fn cnode_into_dyn(self: Rc<Self>) -> Rc<dyn ContainingNode>;
-
     fn cnode_replace_child(self: Rc<Self>, old: &dyn Node, new: Rc<dyn ToplevelNode>);
     fn cnode_remove_child(self: Rc<Self>, child: &dyn Node) {
         self.cnode_remove_child2(child, false);
diff --git a/src/tree/float.rs b/src/tree/float.rs
index b9da33dc..949ac892 100644
--- a/src/tree/float.rs
+++ b/src/tree/float.rs
@@ -586,8 +586,6 @@ impl Node for FloatNode {
 }
 
 impl ContainingNode for FloatNode {
-    containing_node_impl!();
-
     fn cnode_replace_child(self: Rc<Self>, _old: &dyn Node, new: Rc<dyn ToplevelNode>) {
         self.discard_child_properties();
         self.child.set(Some(new.clone()));
diff --git a/src/tree/output.rs b/src/tree/output.rs
index c3de992a..2b71957d 100644
--- a/src/tree/output.rs
+++ b/src/tree/output.rs
@@ -912,14 +912,6 @@ impl Node for OutputNode {
     fn node_on_pointer_motion(self: Rc<Self>, seat: &Rc<WlSeatGlobal>, x: Fixed, y: Fixed) {
         self.pointer_move(seat, x.round_down(), y.round_down());
     }
-
-    fn node_into_output(self: Rc<Self>) -> Option<Rc<OutputNode>> {
-        Some(self.clone())
-    }
-
-    fn node_is_output(&self) -> bool {
-        true
-    }
 }
 
 pub fn calculate_logical_size(
diff --git a/src/tree/stacked.rs b/src/tree/stacked.rs
index f0f03e52..1a5d6cbc 100644
--- a/src/tree/stacked.rs
+++ b/src/tree/stacked.rs
@@ -1,9 +1,7 @@
 use {crate::tree::Node, std::rc::Rc};
 
 pub trait StackedNode: Node {
-    fn stacked_as_node(&self) -> &dyn Node;
     fn stacked_into_node(self: Rc<Self>) -> Rc<dyn Node>;
-    fn stacked_into_dyn(self: Rc<Self>) -> Rc<dyn StackedNode>;
     fn stacked_prepare_set_visible(&self) {
         // nothing
     }
diff --git a/src/tree/toplevel.rs b/src/tree/toplevel.rs
index c7d00b97..7aefabe3 100644
--- a/src/tree/toplevel.rs
+++ b/src/tree/toplevel.rs
@@ -84,7 +84,11 @@ impl<T: ToplevelNodeBase> ToplevelNode for T {
             parent.node_child_title_changed(self, &title);
         }
         if let Some(data) = data.fullscrceen_data.borrow_mut().deref() {
-            *data.placeholder.tl_data().title.borrow_mut() = title.clone();
+            data.placeholder
+                .tl_data()
+                .title
+                .borrow_mut()
+                .clone_from(&title);
             data.placeholder.tl_title_changed();
         }
     }
diff --git a/src/tree/workspace.rs b/src/tree/workspace.rs
index 343a3845..b986c44c 100644
--- a/src/tree/workspace.rs
+++ b/src/tree/workspace.rs
@@ -291,8 +291,6 @@ impl Node for WorkspaceNode {
 }
 
 impl ContainingNode for WorkspaceNode {
-    containing_node_impl!();
-
     fn cnode_replace_child(self: Rc<Self>, old: &dyn Node, new: Rc<dyn ToplevelNode>) {
         if let Some(container) = self.container.get() {
             if container.node_id() == old.node_id() {
diff --git a/src/utils/copyhashmap.rs b/src/utils/copyhashmap.rs
index b56edbc2..a83140ff 100644
--- a/src/utils/copyhashmap.rs
+++ b/src/utils/copyhashmap.rs
@@ -41,26 +41,26 @@ impl<K: Eq + Hash, V> CopyHashMap<K, V> {
         unsafe { self.map.get().deref_mut().insert(k, v) }
     }
 
-    pub fn get<Q: ?Sized>(&self, k: &Q) -> Option<V>
+    pub fn get<Q>(&self, k: &Q) -> Option<V>
     where
         V: UnsafeCellCloneSafe,
-        Q: Hash + Eq,
+        Q: Hash + Eq + ?Sized,
         K: Borrow<Q>,
     {
         unsafe { self.map.get().deref().get(k).cloned() }
     }
 
-    pub fn remove<Q: ?Sized>(&self, k: &Q) -> Option<V>
+    pub fn remove<Q>(&self, k: &Q) -> Option<V>
     where
-        Q: Hash + Eq,
+        Q: Hash + Eq + ?Sized,
         K: Borrow<Q>,
     {
         unsafe { self.map.get().deref_mut().remove(k) }
     }
 
-    pub fn contains<Q: ?Sized>(&self, k: &Q) -> bool
+    pub fn contains<Q>(&self, k: &Q) -> bool
     where
-        Q: Hash + Eq,
+        Q: Hash + Eq + ?Sized,
         K: Borrow<Q>,
     {
         unsafe { self.map.get().deref().contains_key(k) }
diff --git a/src/utils/oserror.rs b/src/utils/oserror.rs
index 3f6c73e0..aa7c8411 100644
--- a/src/utils/oserror.rs
+++ b/src/utils/oserror.rs
@@ -205,6 +205,7 @@ impl Display for OsError {
     }
 }
 
+#[cfg_attr(not(feature = "it"), allow(dead_code))]
 pub trait OsErrorExt {
     type Container;
 
diff --git a/src/utils/tri.rs b/src/utils/tri.rs
index 1384c0ad..56285a97 100644
--- a/src/utils/tri.rs
+++ b/src/utils/tri.rs
@@ -10,6 +10,7 @@ pub trait Try: Sized {
     where
         F: FnOnce() -> Result<(), Self>;
 
+    #[allow(dead_code)]
     fn tria<F>(f: F) -> Tria<Self, F>
     where
         F: Future<Output = Result<(), Self>>;
diff --git a/src/utils/windows.rs b/src/utils/windows.rs
index b4d51ddf..4128ef5c 100644
--- a/src/utils/windows.rs
+++ b/src/utils/windows.rs
@@ -1,11 +1,13 @@
 use crate::utils::ptr_ext::PtrExt;
 
+#[cfg_attr(not(feature = "it"), allow(dead_code))]
 pub trait WindowsExt<T> {
     type Windows<'a, const N: usize>: Iterator<Item = &'a [T; N]>
     where
         Self: 'a,
         T: 'a;
 
+    #[cfg_attr(not(feature = "rc_tracking"), allow(dead_code))]
     fn array_windows_ext<'a, const N: usize>(&'a self) -> Self::Windows<'a, N>;
     fn array_chunks_ext<'a, const N: usize>(&'a self) -> &'a [[T; N]];
 }
diff --git a/toml-config/src/toml/toml_span.rs b/toml-config/src/toml/toml_span.rs
index 8b338654..6d42424c 100644
--- a/toml-config/src/toml/toml_span.rs
+++ b/toml-config/src/toml/toml_span.rs
@@ -106,19 +106,3 @@ impl<T> DespanExt for Option<Spanned<T>> {
         self.map(|v| v.value.into())
     }
 }
-
-pub trait SpannedResultExt1: Sized {
-    type T;
-    type E;
-
-    fn map_spanned<U, F: FnOnce(Self::T) -> U>(self, f: F) -> Result<Spanned<U>, Self::E>;
-}
-
-impl<T, E> SpannedResultExt1 for Result<Spanned<T>, E> {
-    type T = T;
-    type E = E;
-
-    fn map_spanned<U, F: FnOnce(Self::T) -> U>(self, f: F) -> Result<Spanned<U>, Self::E> {
-        self.map(|v| v.map(f))
-    }
-}