diff --git a/src/host/wasapi/device.rs b/src/host/wasapi/device.rs
index 3093b10..a067e47 100644
--- a/src/host/wasapi/device.rs
+++ b/src/host/wasapi/device.rs
@@ -68,6 +68,8 @@ use super::winapi::um::mmdeviceapi::{
     IMMEndpoint,
 };
 
+use crate::traits::DeviceTrait;
+
 pub type SupportedInputFormats = std::vec::IntoIter<SupportedFormat>;
 pub type SupportedOutputFormats = std::vec::IntoIter<SupportedFormat>;
 
@@ -87,6 +89,31 @@ pub struct Device {
     future_audio_client: Arc<Mutex<Option<IAudioClientWrapper>>>, // TODO: add NonZero around the ptr
 }
 
+impl DeviceTrait for Device {
+    type SupportedInputFormats = SupportedInputFormats;
+    type SupportedOutputFormats = SupportedOutputFormats;
+
+    fn name(&self) -> Result<String, DeviceNameError> {
+        Device::name(self)
+    }
+
+    fn supported_input_formats(&self) -> Result<Self::SupportedInputFormats, SupportedFormatsError> {
+        Device::supported_input_formats(self)
+    }
+
+    fn supported_output_formats(&self) -> Result<Self::SupportedOutputFormats, SupportedFormatsError> {
+        Device::supported_output_formats(self)
+    }
+
+    fn default_input_format(&self) -> Result<Format, DefaultFormatError> {
+        Device::default_input_format(self)
+    }
+
+    fn default_output_format(&self) -> Result<Format, DefaultFormatError> {
+        Device::default_output_format(self)
+    }
+}
+
 struct Endpoint {
     endpoint: *mut IMMEndpoint,
 }
diff --git a/src/host/wasapi/mod.rs b/src/host/wasapi/mod.rs
index 239adbf..d833ac4 100644
--- a/src/host/wasapi/mod.rs
+++ b/src/host/wasapi/mod.rs
@@ -12,7 +12,7 @@ use StreamDataResult;
 use SupportedFormatsError;
 use self::winapi::um::winnt::HRESULT;
 use std::io::Error as IoError;
-use traits::{DeviceTrait, EventLoopTrait, HostTrait, StreamIdTrait};
+use traits::{EventLoopTrait, HostTrait, StreamIdTrait};
 pub use self::device::{Device, Devices, SupportedInputFormats, SupportedOutputFormats, default_input_device, default_output_device};
 pub use self::stream::{EventLoop, StreamId};
 
@@ -61,31 +61,6 @@ impl HostTrait for Host {
     }
 }
 
-impl DeviceTrait for Device {
-    type SupportedInputFormats = SupportedInputFormats;
-    type SupportedOutputFormats = SupportedOutputFormats;
-
-    fn name(&self) -> Result<String, DeviceNameError> {
-        Device::name(self)
-    }
-
-    fn supported_input_formats(&self) -> Result<Self::SupportedInputFormats, SupportedFormatsError> {
-        Device::supported_input_formats(self)
-    }
-
-    fn supported_output_formats(&self) -> Result<Self::SupportedOutputFormats, SupportedFormatsError> {
-        Device::supported_output_formats(self)
-    }
-
-    fn default_input_format(&self) -> Result<Format, DefaultFormatError> {
-        Device::default_input_format(self)
-    }
-
-    fn default_output_format(&self) -> Result<Format, DefaultFormatError> {
-        Device::default_output_format(self)
-    }
-}
-
 impl EventLoopTrait for EventLoop {
     type Device = Device;
     type StreamId = StreamId;