diff --git a/common/main/piggy.h b/common/main/piggy.h
index e36b26212..ad4dc72d4 100644
--- a/common/main/piggy.h
+++ b/common/main/piggy.h
@@ -116,7 +116,7 @@ void piggy_load_level_data();
 
 
 extern void piggy_bitmap_page_in( bitmap_index bmp );
-extern void piggy_bitmap_page_out_all();
+#define piggy_bitmap_page_out_all()
 extern int piggy_page_flushed;
 
 namespace dsx {
diff --git a/similar/main/piggy.cpp b/similar/main/piggy.cpp
index b2b19c491..d18a850fb 100644
--- a/similar/main/piggy.cpp
+++ b/similar/main/piggy.cpp
@@ -1440,6 +1440,7 @@ void piggy_bitmap_page_in( bitmap_index bitmap )
 
 }
 
+#if 0
 void piggy_bitmap_page_out_all()
 {
 	int i;
@@ -1463,6 +1464,7 @@ void piggy_bitmap_page_out_all()
 	}
 
 }
+#endif
 
 void piggy_load_level_data()
 {