diff --git a/mdx/ch_switchaai/beans.xml b/mdx/ch_switchaai/beans.xml
index 42e0fc6d..7fd66298 100644
--- a/mdx/ch_switchaai/beans.xml
+++ b/mdx/ch_switchaai/beans.xml
@@ -76,7 +76,6 @@
     <bean id="ch_switchaai_checkSignature" parent="XMLSignatureValidationStage"
         p:id="ch_switchaai_checkSignature">
         <property name="verificationCertificate" ref="ch_switchaai_signingCertificate"/>
-        <property name="permittingEmptyReferences" value="true"/>
     </bean>
     
     <!--
@@ -85,7 +84,6 @@
     <bean id="ch_switchaai_checkInterfedSignature" parent="XMLSignatureValidationStage"
         p:id="ch_switchaai_checkInterfedSignature">
         <property name="verificationCertificate" ref="ch_switchaai_interfedSigningCertificate"/>
-        <property name="permittingEmptyReferences" value="true"/>
     </bean>
     
     <!--