diff --git a/compatibility_matrices/exclude/fcm_exclude.cpp b/compatibility_matrices/exclude/fcm_exclude.cpp
index b86f399..b90b103 100644
--- a/compatibility_matrices/exclude/fcm_exclude.cpp
+++ b/compatibility_matrices/exclude/fcm_exclude.cpp
@@ -165,6 +165,8 @@
             "android.hardware.audio.core.sounddose@1",
             "android.hardware.audio.core.sounddose@2",
             "android.hardware.audio.core.sounddose@3",
+            // This is only used by a trusty VM
+            "android.hardware.security.see.authmgr@1",
 
             // Deprecated HALs.
             "android.hardware.audio.sounddose@3",