diff --git a/keystore2/src/globals.rs b/keystore2/src/globals.rs
index 2d5c20a..c7b495d 100644
--- a/keystore2/src/globals.rs
+++ b/keystore2/src/globals.rs
@@ -44,8 +44,8 @@
 };
 use android_security_compat::aidl::android::security::compat::IKeystoreCompatService::IKeystoreCompatService;
 use anyhow::{Context, Result};
-use binder::get_declared_instances;
 use binder::FromIBinder;
+use binder::{get_declared_instances, is_declared};
 use lazy_static::lazy_static;
 use std::sync::{Arc, Mutex, RwLock};
 use std::{cell::RefCell, sync::Once};
@@ -420,19 +420,20 @@
 pub fn get_remotely_provisioned_component_name(security_level: &SecurityLevel) -> Result<String> {
     let remote_prov_descriptor: &str =
         <BpRemotelyProvisionedComponent as IRemotelyProvisionedComponent>::get_descriptor();
-    let remotely_prov_instances = get_declared_instances(remote_prov_descriptor).unwrap();
 
     match *security_level {
         SecurityLevel::TRUSTED_ENVIRONMENT => {
-            if remotely_prov_instances.iter().any(|instance| *instance == "default") {
-                Some(format!("{}/default", remote_prov_descriptor))
+            let instance = format!("{}/default", remote_prov_descriptor);
+            if is_declared(&instance)? {
+                Some(instance)
             } else {
                 None
             }
         }
         SecurityLevel::STRONGBOX => {
-            if remotely_prov_instances.iter().any(|instance| *instance == "strongbox") {
-                Some(format!("{}/strongbox", remote_prov_descriptor))
+            let instance = format!("{}/strongbox", remote_prov_descriptor);
+            if is_declared(&instance)? {
+                Some(instance)
             } else {
                 None
             }