diff --git a/public/FWEBuilding/v2.1/XSD/FWEBuilding.xsd b/public/FWEBuilding/v2.1/XSD/FWEBuilding.xsd
index f88216b5a9d9ed358c2db242687619e5f4b0b5d9..da8b63614661c6028e6eda31a2bff1d48d42355c 100644
--- a/public/FWEBuilding/v2.1/XSD/FWEBuilding.xsd
+++ b/public/FWEBuilding/v2.1/XSD/FWEBuilding.xsd
@@ -141,7 +141,6 @@
     <annotation>
       <appinfo>
         <taggedValue xmlns="http://www.interactive-instruments.de/ShapeChange/AppInfo" tag="maxOccurs">1</taggedValue>
-        <taggedValue xmlns="http://www.interactive-instruments.de/ShapeChange/AppInfo" tag="minOccurs">0</taggedValue>
       </appinfo>
     </annotation>
   </element>
@@ -149,7 +148,6 @@
     <annotation>
       <appinfo>
         <taggedValue xmlns="http://www.interactive-instruments.de/ShapeChange/AppInfo" tag="maxOccurs">1</taggedValue>
-        <taggedValue xmlns="http://www.interactive-instruments.de/ShapeChange/AppInfo" tag="minOccurs">0</taggedValue>
       </appinfo>
     </annotation>
   </element>
@@ -157,7 +155,6 @@
     <annotation>
       <appinfo>
         <taggedValue xmlns="http://www.interactive-instruments.de/ShapeChange/AppInfo" tag="maxOccurs">1</taggedValue>
-        <taggedValue xmlns="http://www.interactive-instruments.de/ShapeChange/AppInfo" tag="minOccurs">0</taggedValue>
       </appinfo>
     </annotation>
   </element>
@@ -165,7 +162,6 @@
     <annotation>
       <appinfo>
         <taggedValue xmlns="http://www.interactive-instruments.de/ShapeChange/AppInfo" tag="maxOccurs">1</taggedValue>
-        <taggedValue xmlns="http://www.interactive-instruments.de/ShapeChange/AppInfo" tag="minOccurs">0</taggedValue>
       </appinfo>
     </annotation>
   </element>