diff --git a/src/include/freecraft.h b/src/include/freecraft.h
index 6436aec05..01e025979 100644
--- a/src/include/freecraft.h
+++ b/src/include/freecraft.h
@@ -304,7 +304,6 @@ extern void SetMessage2( int x, int y, char* fmt, ... );
 extern void SetMessageDup(const char* message);
 extern void SetMessageDupCat(const char* message);
 extern void CenterOnMessage();
-extern void ClearMessage(void);
 extern void SetStatusLine(char* status);
 extern void ClearStatusLine(void);
 extern void UpdateDisplay(void);
diff --git a/src/include/interface.h b/src/include/interface.h
index 2faddf600..3e67ebe0a 100644
--- a/src/include/interface.h
+++ b/src/include/interface.h
@@ -256,7 +256,6 @@ extern void DrawMessage(void);
 extern void DrawResources(void);
 extern void DrawMessage(void);
 extern void SetMessage( char* fmt, ... );
-extern void ClearMessage(void);
 extern void DrawStatusLine(void);
 extern void DrawCosts(void);
 extern void SetCosts(int,const int* costs);	/// set costs to be displayed