dxgi: Remove superfluous pointer casts.
diff --git a/dlls/dxgi/dxgi_main.c b/dlls/dxgi/dxgi_main.c
index b72c04a..06086f7 100644
--- a/dlls/dxgi/dxgi_main.c
+++ b/dlls/dxgi/dxgi_main.c
@@ -315,7 +315,7 @@
         goto fail;
     }
 
-    *device = (IUnknown *)dxgi_device;
+    *device = dxgi_device;
 
     return hr;
 
diff --git a/dlls/dxgi/factory.c b/dlls/dxgi/factory.c
index 03db096..19bc4cf 100644
--- a/dlls/dxgi/factory.c
+++ b/dlls/dxgi/factory.c
@@ -131,7 +131,7 @@
         return DXGI_ERROR_NOT_FOUND;
     }
 
-    *adapter = (IDXGIAdapter *)This->adapters[adapter_idx];
+    *adapter = This->adapters[adapter_idx];
     IDXGIAdapter_AddRef(*adapter);
 
     TRACE("Returning adapter %p\n", *adapter);