diff --git a/audio/aidl/Android.bp b/audio/aidl/Android.bp
index 0524110..7db50d5 100644
--- a/audio/aidl/Android.bp
+++ b/audio/aidl/Android.bp
@@ -83,6 +83,10 @@
     ],
     stability: "vintf",
     backend: {
+        // The C++ backend is disabled transitively due to use of FMQ.
+        cpp: {
+            enabled: false,
+        },
         java: {
             platform_apis: true,
         },