diff --git a/media/utils/include/mediautils/ServiceUtilities.h b/media/utils/include/mediautils/ServiceUtilities.h
index 9a3c6fb..6e75746 100644
--- a/media/utils/include/mediautils/ServiceUtilities.h
+++ b/media/utils/include/mediautils/ServiceUtilities.h
@@ -97,6 +97,7 @@
 bool dumpAllowed();
 bool modifyPhoneStateAllowed(const media::permission::Identity& identity);
 bool bypassInterruptionPolicyAllowed(const media::permission::Identity& identity);
+void purgePermissionCache();
 
 media::permission::Identity getCallingIdentity();