diff --git a/src/apps/deskcalc/CalcApplication.h b/src/apps/deskcalc/CalcApplication.h
index 5850bc0463..866cd5b224 100644
--- a/src/apps/deskcalc/CalcApplication.h
+++ b/src/apps/deskcalc/CalcApplication.h
@@ -7,14 +7,15 @@
  *		Timothy Wayper <timmy@wunderbear.com>
  *		Stephan Aßmus <superstippi@gmx.de>
  */
-
 #ifndef _CALC_APPLICATION_H
 #define _CALC_APPLICATION_H
 
 #include <Application.h>
 
+
 extern const char* kAppSig;
 
+class BFile;
 class CalcWindow;
 
 class CalcApplication : public BApplication {
diff --git a/src/apps/deskcalc/CalcView.h b/src/apps/deskcalc/CalcView.h
index 4391218122..cb6ba1d429 100644
--- a/src/apps/deskcalc/CalcView.h
+++ b/src/apps/deskcalc/CalcView.h
@@ -15,6 +15,7 @@
 
 class BString;
 class BMenuItem;
+class BPopUpMenu;
 class CalcOptions;
 class CalcOptionsWindow;
 class ExpressionTextView;