diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index dd79c84963e..7d79867becd 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -1128,9 +1128,6 @@ struct IWineD3DDeviceImpl
     /* Textures for when no other textures are mapped */
     UINT                          dummyTextureName[MAX_TEXTURES];
 
-    /* Debug stream management */
-    BOOL                     debug;
-
     /* Device state management */
     HRESULT                 state;
     BOOL                    d3d_initialized;