diff --git a/materials.xml b/materials.xml
index 765ca8f50..5c2781b8d 100644
--- a/materials.xml
+++ b/materials.xml
@@ -2676,95 +2676,9 @@ Shared parameters for various materials.
  </emissive>
 </material>
 
-<material>
- <name>Urban</name>
- <texture>Terrain/resgrid.rgb</texture>
- <xsize>2000</xsize>
- <ysize>2000</ysize>
- <light-coverage>100000.0</light-coverage>
- <ambient>
-  <r>0.45</r>
-  <g>0.46</g>
-  <b>0.33</b>
-  <a>1.0</a>
- </ambient>
- <diffuse>
-  <r>0.45</r>
-  <g>0.46</g>
-  <b>0.33</b>
-  <a>1.0</a>
- </diffuse>
- <specular>
-  <r>0.0</r>
-  <g>0.0</g>
-  <b>0.0</b>
-  <a>1.0</a>
- </specular>
- <emissive>
-  <r>0.13</r>
-  <g>0.11</g>
-  <b>0.0</b>
-  <a>1.0</a>
- </emissive>
- <object-group>
-  <range-m>10000</range-m>
-  <object>
-   <path>Models/Buildings/big-apartment.ac</path>
-   <coverage-m2>10000000</coverage-m2>
-   <heading-type>random</heading-type>
-  </object>
-  <object>
-   <path>Models/Buildings/tower-hexa.ac</path>
-   <coverage-m2>50000000</coverage-m2>
-   <heading-type>random</heading-type>
-  </object>
-  <object>
-   <path>Models/Buildings/oil-tanks.ac</path>
-   <coverage-m2>20000000</coverage-m2>
-   <heading-type>random</heading-type>
-  </object>
- </object-group>
- <object-group>
-  <range-m>5000</range-m>
-  <object>
-   <path>Models/Buildings/cube-apartment.ac</path>
-   <coverage-m2>500000</coverage-m2>
-   <heading-type>random</heading-type>
-  </object>
-  <object>
-   <path>Models/Buildings/small-glass-office-building.ac</path>
-   <coverage-m2>500000</coverage-m2>
-   <heading-type>random</heading-type>
-  </object>
-  <object>
-   <path>Models/Buildings/big-church.ac</path>
-   <coverage-m2>10000000</coverage-m2>
-   <heading-type>random</heading-type>
-  </object>
-  <object>
-   <path>Models/Buildings/brick-school.ac</path>
-   <coverage-m2>10000000</coverage-m2>
-   <heading-type>random</heading-type>
-  </object>
-  <object>
-   <path>Models/Buildings/water-tower.ac</path>
-   <coverage-m2>50000000</coverage-m2>
-   <heading-type>random</heading-type>
-  </object>
- </object-group>
- <object-group>
-  <range-m alias="/params/forest/tree-range-m"/>
-  <object>
-   <path>Models/Trees/deciduous-tree.ac</path>
-   <path>Models/Trees/coniferous-tree.ac</path>
-   <coverage-m2>500000</coverage-m2>
-   <heading-type>billboard</heading-type>
-  </object>
- </object-group>
-</material>
-
 <material>
   <name>BuiltUpCover</name>
+  <name>Urban</name>
   <texture>Terrain/builtup.rgb</texture>
   <xsize>2000</xsize>
   <ysize>2000</ysize>