diff --git a/src/alloc.rs b/src/alloc.rs
index ed138158..557f429a 100644
--- a/src/alloc.rs
+++ b/src/alloc.rs
@@ -25,17 +25,6 @@ impl<T> Alloc<T> {
     pub unsafe fn as_mut(&mut self) -> &mut T {
         unsafe { self.data.as_mut() }
     }
-
-    fn into_box(self) -> Box<T> {
-        let data: *mut T = self.data.as_ptr();
-        let data: Box<T> = unsafe { Box::from_raw(data) };
-        std::mem::forget(self);
-        data
-    }
-
-    pub fn into_inner(self) -> T {
-        *self.into_box()
-    }
 }
 
 impl<T> Drop for Alloc<T> {
diff --git a/src/input/struct_map.rs b/src/input/struct_map.rs
index 88530027..c44c857c 100644
--- a/src/input/struct_map.rs
+++ b/src/input/struct_map.rs
@@ -85,13 +85,4 @@ where
     pub fn update(&mut self, id: Id) -> impl DerefMut<Target = Value<C>> + '_ {
         RefMut::map(self.map.get_mut(&id).unwrap(), |v| unsafe { v.as_mut() })
     }
-
-    /// Remove the entry for `id` from the map.
-    pub fn delete(&mut self, id: Id) -> Option<Value<C>> {
-        if let Some((_, data)) = self.map.remove(&id) {
-            Some(data.into_inner())
-        } else {
-            None
-        }
-    }
 }