1 files changed, 1 insertions, 2 deletions
diff --git a/sc/source/ui/inc/undoblk.hxx b/sc/source/ui/inc/undoblk.hxx
index 8c8805b3dce8..c64218c06571 100644
--- a/sc/source/ui/inc/undoblk.hxx
+++ b/sc/source/ui/inc/undoblk.hxx
@@ -29,7 +29,6 @@
 
 class ScDocShell;
 class ScOutlineTable;
-class ScPatternAttr;
 class SvxSearchItem;
 class SdrUndoAction;
 class ScEditDataArray;
@@ -633,7 +632,7 @@ public:
 
 private:
     ScDocumentUniquePtr createUndoRedoData();
-    void DoChange(ScDocument* pDoc);
+    void DoChange(const ScDocument* pDoc);
     SCTAB mnTab;
     ScDocumentUniquePtr mpUndoDoc;
     ScDocumentUniquePtr mpRedoDoc;