diff --git a/src/common/kernel/building.c b/src/common/kernel/building.c
index 9f8f6fb42..a08d9812c 100644
--- a/src/common/kernel/building.c
+++ b/src/common/kernel/building.c
@@ -329,7 +329,7 @@ building_type bt_castle = {
 	"castle",
 	BFL_NONE,
 	1, 4, -1,
-	0, 0, 0, 0.0,
+	0, 0, 0, 1.0,
 	NULL,
 	&castle_bld[0],
 	castle_name
diff --git a/src/common/kernel/eressea.c b/src/common/kernel/eressea.c
index 195dbcbc1..29b72d592 100644
--- a/src/common/kernel/eressea.c
+++ b/src/common/kernel/eressea.c
@@ -2351,7 +2351,6 @@ init_locales(void)
 }
 
 /* TODO: soll hier weg */
-extern building_type bt_caldera;
 extern attrib_type at_shiptrail;
 
 attrib_type at_germs = {