diff --git a/Android.bp b/Android.bp
index 670ee39..b694886 100644
--- a/Android.bp
+++ b/Android.bp
@@ -112,9 +112,6 @@
     ],
     min_sdk_version: "29",
     afdo: true,
-    header_abi_checker: {
-        diff_flags: ["-allow-adding-removing-weak-symbols"],
-    },
 }
 
 // WARNING: deprecated
diff --git a/vintfdata/frozen/8.xml b/vintfdata/frozen/8.xml
new file mode 100644
index 0000000..db34f63
--- /dev/null
+++ b/vintfdata/frozen/8.xml
@@ -0,0 +1,101 @@
+<compatibility-matrix version="7.0" type="device">
+    <hal format="aidl" optional="false">
+        <name>android.frameworks.cameraservice.service</name>
+        <interface>
+            <name>ICameraService</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+    <hal format="aidl" optional="false">
+        <name>android.frameworks.location.altitude</name>
+        <interface>
+            <name>IAltitudeService</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+    <hal format="aidl" optional="false">
+        <name>android.frameworks.sensorservice</name>
+        <interface>
+            <name>ISensorManager</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+    <hal format="hidl" optional="false">
+        <name>android.frameworks.sensorservice</name>
+        <version>1.0</version>
+        <interface>
+            <name>ISensorManager</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+    <hal format="aidl" optional="false">
+        <name>android.frameworks.stats</name>
+        <version>2</version>
+        <interface>
+            <name>IStats</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+    <hal format="hidl" optional="false">
+        <name>android.hardware.media.c2</name>
+        <version>1.2</version>
+        <interface>
+            <name>IComponentStore</name>
+            <instance>software</instance>
+        </interface>
+    </hal>
+    <hal format="hidl" optional="false">
+        <name>android.hidl.allocator</name>
+        <version>1.0</version>
+        <interface>
+            <name>IAllocator</name>
+            <instance>ashmem</instance>
+        </interface>
+    </hal>
+    <hal format="hidl" optional="false">
+        <name>android.hidl.manager</name>
+        <version>1.2</version>
+        <interface>
+            <name>IServiceManager</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+    <hal format="hidl" optional="false">
+        <name>android.hidl.memory</name>
+        <version>1.0</version>
+        <interface>
+            <name>IMapper</name>
+            <instance>ashmem</instance>
+        </interface>
+    </hal>
+    <hal format="hidl" optional="false">
+        <name>android.hidl.token</name>
+        <version>1.0</version>
+        <interface>
+            <name>ITokenManager</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+    <hal format="aidl" optional="false">
+        <name>android.system.keystore2</name>
+        <version>3</version>
+        <interface>
+            <name>IKeystoreService</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+    <hal format="aidl" optional="false">
+        <name>android.system.net.netd</name>
+        <interface>
+            <name>INetd</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+    <hal format="aidl" optional="false">
+        <name>android.system.suspend</name>
+        <interface>
+            <name>ISystemSuspend</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+</compatibility-matrix>
diff --git a/vintfdata/manifest.xml b/vintfdata/manifest.xml
index 964fa09..84ef3e8 100644
--- a/vintfdata/manifest.xml
+++ b/vintfdata/manifest.xml
@@ -54,7 +54,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl">
+    <hal format="hidl" max-level="7">
         <name>android.system.wifi.keystore</name>
         <transport>hwbinder</transport>
         <version>1.0</version>