diff --git a/audio/4.0/config/audio_policy_configuration.xsd b/audio/4.0/config/audio_policy_configuration.xsd
index f26e41b..58bab22 100644
--- a/audio/4.0/config/audio_policy_configuration.xsd
+++ b/audio/4.0/config/audio_policy_configuration.xsd
@@ -357,10 +357,6 @@
             <xs:enumeration value="AUDIO_FORMAT_APTX_HD"/>
             <xs:enumeration value="AUDIO_FORMAT_AC4"/>
             <xs:enumeration value="AUDIO_FORMAT_LDAC"/>
-            <xs:enumeration value="AUDIO_FORMAT_E_AC3_JOC"/>
-            <xs:enumeration value="AUDIO_FORMAT_MAT_1_0"/>
-            <xs:enumeration value="AUDIO_FORMAT_MAT_2_0"/>
-            <xs:enumeration value="AUDIO_FORMAT_MAT_2_1"/>
         </xs:restriction>
     </xs:simpleType>
     <xs:simpleType name="extendableAudioFormat">