diff --git a/src/mapgen/mapgen.cpp b/src/mapgen/mapgen.cpp
index e9db85eb3..e8c60c0de 100644
--- a/src/mapgen/mapgen.cpp
+++ b/src/mapgen/mapgen.cpp
@@ -62,7 +62,6 @@ const FlagDesc flagdesc_gennotify[] = {
 struct MapgenDesc {
 	const char *name;
 	bool is_user_visible;
-	const char *description;
 };
 
 ////