diff --git a/Cargo.toml b/Cargo.toml
index 7b00ce902..e1bbb0460 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,6 +27,7 @@ ndk-glue = "0.7"
 
 [target.'cfg(target_os = "windows")'.dependencies]
 windows = { version = "0.54.0", features = [
+    "implement",
     "Win32_Media_Audio",
     "Win32_Foundation",
     "Win32_Devices_Properties",
diff --git a/src/host/wasapi/device.rs b/src/host/wasapi/device.rs
index 8389071c8..865469e07 100644
--- a/src/host/wasapi/device.rs
+++ b/src/host/wasapi/device.rs
@@ -18,14 +18,14 @@ use std::time::Duration;
 
 use super::com;
 use super::{windows_err_to_cpal_err, windows_err_to_cpal_err_message};
-use windows::core::Interface;
+use windows::core::{HRESULT, implement, Interface, IUnknown, PCWSTR, PROPVARIANT};
 use windows::core::GUID;
 use windows::Win32::Devices::Properties;
 use windows::Win32::Foundation;
 use windows::Win32::Media::Audio::IAudioRenderClient;
 use windows::Win32::Media::{Audio, KernelStreaming, Multimedia};
 use windows::Win32::System::Com;
-use windows::Win32::System::Com::{StructuredStorage, STGM_READ};
+use windows::Win32::System::Com::{StructuredStorage, STGM_READ, CoTaskMemFree, StringFromIID};
 use windows::Win32::System::Threading;
 use windows::Win32::System::Variant::VT_LPWSTR;
 
@@ -284,11 +284,11 @@ unsafe fn format_from_waveformatex_ptr(
 }
 
 #[implement(Audio::IActivateAudioInterfaceCompletionHandler)]
-struct CompletionHandler(Sender<WinResult<IUnknown>>);
+struct CompletionHandler(Sender<windows::core::Result<IUnknown>>);
 
 fn retrieve_result(
     operation: &Audio::IActivateAudioInterfaceAsyncOperation,
-) -> WinResult<IUnknown> {
+) -> windows::core::Result<IUnknown> {
     let mut result = HRESULT::default();
     let mut interface: Option<IUnknown> = None;
     unsafe {
@@ -302,7 +302,7 @@ impl Audio::IActivateAudioInterfaceCompletionHandler_Impl for CompletionHandler
     fn ActivateCompleted(
         &self,
         operation: Option<&Audio::IActivateAudioInterfaceAsyncOperation>,
-    ) -> WinResult<()> {
+    ) -> windows::core::Result<()> {
         let result = retrieve_result(operation.unwrap());
         let _ = self.0.send(result);
         Ok(())
@@ -313,10 +313,10 @@ impl Audio::IActivateAudioInterfaceCompletionHandler_Impl for CompletionHandler
 unsafe fn ActivateAudioInterfaceSync<P0, T>(
     deviceinterfacepath: P0,
     activationparams: Option<*const PROPVARIANT>,
-) -> WinResult<T>
+) -> windows::core::Result<T>
 where
     P0: windows::core::IntoParam<PCWSTR>,
-    T: Interface + ComInterface,
+    T: Interface,
 {
     let (sender, receiver) = std::sync::mpsc::channel();
     let completion: Audio::IActivateAudioInterfaceCompletionHandler =