diff --git a/wgpu-core/src/instance.rs b/wgpu-core/src/instance.rs
index e1e9831dc3a..7ee534dd285 100644
--- a/wgpu-core/src/instance.rs
+++ b/wgpu-core/src/instance.rs
@@ -445,10 +445,7 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
     ) -> SurfaceId {
         profiling::scope!("Instance::create_surface");
 
-        //Note: using a dummy argument to work around the following error:
-        //> cannot provide explicit generic arguments when `impl Trait` is used in argument position
         fn init<A: hal::Api>(
-            _: A,
             inst: &Option<A::Instance>,
             display_handle: raw_window_handle::RawDisplayHandle,
             window_handle: raw_window_handle::RawWindowHandle,
@@ -470,36 +467,31 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
         let surface = Surface {
             presentation: None,
             #[cfg(vulkan)]
-            vulkan: init(
-                hal::api::Vulkan,
+            vulkan: init::<hal::api::Vulkan>(
                 &self.instance.vulkan,
                 display_handle,
                 window_handle,
             ),
             #[cfg(metal)]
-            metal: init(
-                hal::api::Metal,
+            metal: init::<hal::api::Metal>(
                 &self.instance.metal,
                 display_handle,
                 window_handle,
             ),
             #[cfg(dx12)]
-            dx12: init(
-                hal::api::Dx12,
+            dx12: init::<hal::api::Dx12>(
                 &self.instance.dx12,
                 display_handle,
                 window_handle,
             ),
             #[cfg(dx11)]
-            dx11: init(
-                hal::api::Dx11,
+            dx11: init::<hal::api::Dx11>(
                 &self.instance.dx11,
                 display_handle,
                 window_handle,
             ),
             #[cfg(gl)]
-            gl: init(
-                hal::api::Gles,
+            gl: init::<hal::api::Gles>(
                 &self.instance.gl,
                 display_handle,
                 window_handle,