diff --git a/variables.h b/variables.h
--- a/variables.h
+++ b/variables.h
@@ -309,7 +309,6 @@ VARDEF bool _exit_game;
 VARDEF SmallFiosItem _file_to_saveload;
 VARDEF byte _make_screenshot;
 
-VARDEF byte _get_z_hint; // used as a hint to getslopez to return the right height at a bridge.
 
 VARDEF char *_newgrf_files[32];