diff --git a/compatibility_matrices/compatibility_matrix.9.xml b/compatibility_matrices/compatibility_matrix.9.xml
index d210304..a7f0845 100644
--- a/compatibility_matrices/compatibility_matrix.9.xml
+++ b/compatibility_matrices/compatibility_matrix.9.xml
@@ -1,22 +1,4 @@
 <compatibility-matrix version="1.0" type="framework" level="9">
-    <hal format="hidl" optional="true">
-        <name>android.hardware.audio</name>
-        <version>6.0</version>
-        <version>7.0-1</version>
-        <interface>
-            <name>IDevicesFactory</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
-    <hal format="hidl" optional="true">
-        <name>android.hardware.audio.effect</name>
-        <version>6.0</version>
-        <version>7.0</version>
-        <interface>
-            <name>IEffectsFactory</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.audio.core</name>
         <version>1-2</version>