diff --git a/crates/timers/src/callback.rs b/crates/timers/src/callback.rs
index 74880c59..c9688abb 100644
--- a/crates/timers/src/callback.rs
+++ b/crates/timers/src/callback.rs
@@ -1,8 +1,8 @@
 //! Callback-style timer APIs.
 
-use super::sys::*;
 use wasm_bindgen::prelude::*;
 use wasm_bindgen::JsCast;
+use web_sys;
 
 /// A scheduled timeout.
 ///
@@ -20,7 +20,7 @@ pub struct Timeout {
 impl Drop for Timeout {
     fn drop(&mut self) {
         if let Some(id) = self.id {
-            clear_timeout(id);
+            web_sys::window().expect("cannot use `window`").clear_timeout_with_handle(id);
         }
     }
 }
@@ -44,10 +44,10 @@ impl Timeout {
     {
         let closure = Closure::once(callback);
 
-        let id = set_timeout(
+        let id =  web_sys::window().expect("cannot use `window`").set_timeout_with_callback_and_timeout_and_arguments_0(
             closure.as_ref().unchecked_ref::<js_sys::Function>(),
             millis as i32,
-        );
+        ).expect("`set_timeout` failed");
 
         Timeout {
             id: Some(id),
@@ -118,7 +118,7 @@ pub struct Interval {
 impl Drop for Interval {
     fn drop(&mut self) {
         if let Some(id) = self.id {
-            clear_interval(id);
+            web_sys::window().expect("cannot use `window`").clear_timeout_with_handle(id);
         }
     }
 }
@@ -141,10 +141,10 @@ impl Interval {
     {
         let closure = Closure::wrap(Box::new(callback) as Box<dyn FnMut()>);
 
-        let id = set_interval(
+        let id =  web_sys::window().expect("cannot use `window`").set_interval_with_callback_and_timeout_and_arguments_0(
             closure.as_ref().unchecked_ref::<js_sys::Function>(),
             millis as i32,
-        );
+        ).expect("`set_interval` failed");
 
         Interval {
             id: Some(id),
diff --git a/crates/timers/src/future.rs b/crates/timers/src/future.rs
index 6055bd33..5eaea0e7 100644
--- a/crates/timers/src/future.rs
+++ b/crates/timers/src/future.rs
@@ -1,11 +1,11 @@
 //! `Future`- and `Stream`-backed timers APIs.
 
-use super::sys::*;
 use futures::prelude::*;
 use futures::sync::mpsc;
 use wasm_bindgen::prelude::*;
 use wasm_bindgen::JsCast;
 use wasm_bindgen_futures::JsFuture;
+use web_sys;
 
 /// A scheduled timeout as a `Future`.
 ///
@@ -56,7 +56,7 @@ pub struct TimeoutFuture {
 impl Drop for TimeoutFuture {
     fn drop(&mut self) {
         if let Some(id) = self.id {
-            clear_timeout(id);
+            web_sys::window().expect("cannot use `window`").clear_timeout_with_handle(id);
         }
     }
 }
@@ -84,7 +84,7 @@ impl TimeoutFuture {
     pub fn new(millis: u32) -> TimeoutFuture {
         let mut id = None;
         let promise = js_sys::Promise::new(&mut |resolve, _reject| {
-            id = Some(set_timeout(&resolve, millis as i32));
+            id = Some( web_sys::window().expect("cannot use `window`").set_timeout_with_callback_and_timeout_and_arguments_0(&resolve, millis as i32).expect("`set_timeout` failed"));
         });
         debug_assert!(id.is_some());
         let inner = JsFuture::from(promise);
@@ -162,7 +162,7 @@ impl IntervalStream {
 impl Drop for IntervalStream {
     fn drop(&mut self) {
         if let Some(id) = self.id {
-            clear_interval(id);
+            web_sys::window().expect("cannot use `window`").clear_timeout_with_handle(id);
         }
     }
 }
@@ -173,10 +173,10 @@ impl Stream for IntervalStream {
 
     fn poll(&mut self) -> Poll<Option<()>, ()> {
         if self.id.is_none() {
-            self.id = Some(set_interval(
+            self.id = Some( web_sys::window().expect("cannot use `window`").set_interval_with_callback_and_timeout_and_arguments_0(
                 self.closure.as_ref().unchecked_ref::<js_sys::Function>(),
                 self.millis as i32,
-            ));
+            ).expect("`set_interval` failed"));
         }
 
         self.inner.poll()
diff --git a/crates/timers/src/lib.rs b/crates/timers/src/lib.rs
index 0187b93f..964db6f0 100644
--- a/crates/timers/src/lib.rs
+++ b/crates/timers/src/lib.rs
@@ -70,6 +70,4 @@ extern crate futures_rs as futures;
 pub mod callback;
 
 #[cfg(feature = "futures")]
-pub mod future;
-
-mod sys;
+pub mod future;
\ No newline at end of file
diff --git a/crates/timers/src/sys.rs b/crates/timers/src/sys.rs
deleted file mode 100644
index 03bdbc71..00000000
--- a/crates/timers/src/sys.rs
+++ /dev/null
@@ -1,20 +0,0 @@
-//! Raw bindings to the Javascript APIs we need, namely set(Timeout|Interval) and clear(Timeout|Interval).
-//! Depending on how rustwasm/wasm-bindgen#1046 is resolved, we may be able to remove this at a later date.
-
-use js_sys::Function;
-use wasm_bindgen::prelude::*;
-
-#[wasm_bindgen]
-extern "C" {
-    #[wasm_bindgen(js_name = "setTimeout")]
-    pub fn set_timeout(handler: &Function, timeout: i32) -> i32;
-
-    #[wasm_bindgen(js_name = "clearTimeout")]
-    pub fn clear_timeout(token: i32);
-
-    #[wasm_bindgen(js_name = "setInterval")]
-    pub fn set_interval(handler: &Function, timeout: i32) -> i32;
-
-    #[wasm_bindgen(js_name = "clearInterval")]
-    pub fn clear_interval(token: i32);
-}