diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index 244d7a0..566bd48 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -127,9 +127,9 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="false">
+    <hal format="hidl" optional="true">
         <name>android.hardware.configstore</name>
-        <version>1.2</version>
+        <version>1.1</version>
         <interface>
             <name>ISurfaceFlingerConfigs</name>
             <instance>default</instance>