diff --git a/Materials/regions/materials.xml b/Materials/regions/materials.xml
index 479eea45f..79775be16 100644
--- a/Materials/regions/materials.xml
+++ b/Materials/regions/materials.xml
@@ -48,12 +48,6 @@
 <region include="Materials/regions/southeast_asia.xml"/>
 <region include="Materials/regions/indonesia.xml"/>
 
-<!-- Australia -->
-<region include="Materials/regions/australia.xml"/>
-<region include="Materials/regions/australia_south_east.xml"/>
-<region include="Materials/regions/australia_south_west.xml"/>
-<region include="Materials/regions/australia_top_end.xml"/>
-
 <!-- Pacific -->
 <region include="Materials/regions/hawaii.xml"/>
 <region include="Materials/regions/oahu.xml"/>