diff --git a/compatibility_matrix.xml b/compatibility_matrix.xml
index 5d55a6f5..5226cc07 100644
--- a/compatibility_matrix.xml
+++ b/compatibility_matrix.xml
@@ -1,4 +1,5 @@
 <!-- Copyright (c) 2017, The Linux Foundation. All rights reserved.
+
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are
 met:
@@ -11,6 +12,7 @@ met:
     * Neither the name of The Linux Foundation nor the names of its
       contributors may be used to endorse or promote products derived
       from this software without specific prior written permission.
+
 THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
@@ -24,14 +26,6 @@ OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 -->
 <compatibility-matrix version="1.0" type="device">
-    <hal format="hidl" optional="false">
-        <name>android.frameworks.displayservice</name>
-        <version>1.0</version>
-        <interface>
-            <name>IDisplayService</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
     <hal format="hidl" optional="false">
         <name>android.frameworks.schedulerservice</name>
         <version>1.0</version>
@@ -58,7 +52,7 @@ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     </hal>
     <hal format="hidl" optional="false">
         <name>android.hidl.manager</name>
-        <version>1.1</version>
+        <version>1.0</version>
         <interface>
             <name>IServiceManager</name>
             <instance>default</instance>
@@ -80,14 +74,6 @@ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="false">
-        <name>android.system.net.netd</name>
-        <version>1.1</version>
-        <interface>
-            <name>INetd</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
     <hal format="hidl" optional="false">
         <name>android.system.wifi.keystore</name>
         <version>1.0</version>
@@ -96,4 +82,13 @@ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
             <instance>default</instance>
         </interface>
     </hal>
+    <hal format="hidl" optional="true">
+        <name>vendor.qti.hardware.sigma_miracast</name>
+        <transport>hwbinder</transport>
+        <version>1.0</version>
+        <interface>
+            <name>Isigma_miracast</name>
+            <instance>sigmahal</instance>
+        </interface>
+   </hal>
 </compatibility-matrix>