diff --git a/host/platform/Windows/capture/DXGI/src/d3d11.c b/host/platform/Windows/capture/DXGI/src/d3d11.c
index 602a9c8f..3cd6e7d0 100644
--- a/host/platform/Windows/capture/DXGI/src/d3d11.c
+++ b/host/platform/Windows/capture/DXGI/src/d3d11.c
@@ -41,8 +41,6 @@ struct D3D11Backend
   texture[0];
 };
 
-#define TEXIMPL(x) ((struct D3D11TexImpl *)(x).impl)
-
 static struct D3D11Backend  * this = NULL;
 
 static void d3d11_free(void);