1 files changed, 3 insertions, 4 deletions
diff --git a/src/document.h b/src/document.h
index ca709a8b6..606a83be8 100644
--- a/src/document.h
+++ b/src/document.h
@@ -31,7 +31,6 @@ namespace Avoid {
 class Router;
 }
 
-struct SPDesktop;
 class  SPItem;
 class  SPObject;
 struct SPGroup;
@@ -45,14 +44,14 @@ namespace Inkscape {
     class EventLog;
     class ProfileManager;
     namespace XML {
-        class Document;
+        struct Document;
         class Node;
     }
 }
 
 class SPDefs;
 class SP3DBox;
-class Persp3D;
+struct Persp3D;
 class Persp3DImpl;
 class SPItemCtx;
 
@@ -60,7 +59,7 @@ namespace Proj {
     class TransfMat3x4;
 }
 
-class SPDocumentPrivate;
+struct SPDocumentPrivate;
 
 /// Typed SVG document implementation.
 class SPDocument : public Inkscape::GC::Managed<>,