diff --git a/manifest.xml b/manifest.xml
index 44712f7e..5ab960bb 100644
--- a/manifest.xml
+++ b/manifest.xml
@@ -2,6 +2,8 @@
     <hal format="hidl">
         <name>android.hardware.audio</name>
         <transport>hwbinder</transport>
+        <!-- TODO(b/74341777) remove non-existent 2.0 once bug is fixed. -->
+        <version>2.0</version>
         <version>4.0</version>
         <interface>
             <name>IDevicesFactory</name>
@@ -11,6 +13,8 @@
     <hal format="hidl">
         <name>android.hardware.audio.effect</name>
         <transport>hwbinder</transport>
+        <!-- TODO(b/74341777) remove non-existent 2.0 once bug is fixed. -->
+        <version>2.0</version>
         <version>4.0</version>
         <interface>
             <name>IEffectsFactory</name>