diff --git a/core/java/android/security/recoverablekeystore/RecoverableKeyStoreLoader.java b/core/java/android/security/recoverablekeystore/RecoverableKeyStoreLoader.java
index 72a138a629cf5..0cf8da5b3a861 100644
--- a/core/java/android/security/recoverablekeystore/RecoverableKeyStoreLoader.java
+++ b/core/java/android/security/recoverablekeystore/RecoverableKeyStoreLoader.java
@@ -426,7 +426,7 @@ public class RecoverableKeyStoreLoader {
      * Imports keys.
      *
      * @param sessionId Id for recovery session, same as in
-     *     {@link #startRecoverySession(String, byte[], byte[], byte[], List)} on}.
+     *     {@link #startRecoverySession(String, byte[], byte[], byte[], List)}.
      * @param recoveryKeyBlob Recovery blob encrypted by symmetric key generated for this session.
      * @param applicationKeys Application keys. Key material can be decrypted using recoveryKeyBlob
      *     and session. KeyStore only uses package names from the application info in {@link
diff --git a/services/core/java/com/android/server/locksettings/LockSettingsService.java b/services/core/java/com/android/server/locksettings/LockSettingsService.java
index 482acefac3a5e..02218ffc14eae 100644
--- a/services/core/java/com/android/server/locksettings/LockSettingsService.java
+++ b/services/core/java/com/android/server/locksettings/LockSettingsService.java
@@ -2026,8 +2026,9 @@ public class LockSettingsService extends ILockSettings.Stub {
     }
 
     @Override
-    public Map<String, byte[]> recoverKeys(@NonNull String sessionId, @NonNull byte[] recoveryKeyBlob,
-            @NonNull List<KeyEntryRecoveryData> applicationKeys, @UserIdInt int userId)
+    public Map<String, byte[]> recoverKeys(@NonNull String sessionId,
+            @NonNull byte[] recoveryKeyBlob, @NonNull List<KeyEntryRecoveryData> applicationKeys,
+            @UserIdInt int userId)
             throws RemoteException {
         return mRecoverableKeyStoreManager.recoverKeys(
                 sessionId, recoveryKeyBlob, applicationKeys, userId);
diff --git a/services/core/java/com/android/server/locksettings/recoverablekeystore/PlatformKeyManager.java b/services/core/java/com/android/server/locksettings/recoverablekeystore/PlatformKeyManager.java
index 1719710e5fe64..ef4dbf57430fe 100644
--- a/services/core/java/com/android/server/locksettings/recoverablekeystore/PlatformKeyManager.java
+++ b/services/core/java/com/android/server/locksettings/recoverablekeystore/PlatformKeyManager.java
@@ -88,7 +88,8 @@ public class PlatformKeyManager {
      *
      * @hide
      */
-    public static PlatformKeyManager getInstance(Context context, RecoverableKeyStoreDb database, int userId)
+    public static PlatformKeyManager getInstance(Context context, RecoverableKeyStoreDb database,
+            int userId)
             throws KeyStoreException, NoSuchAlgorithmException, InsecureUserException {
         context = context.getApplicationContext();
         PlatformKeyManager keyManager = new PlatformKeyManager(
diff --git a/services/core/java/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDb.java b/services/core/java/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDb.java
index 838311e185e8b..5ca5da4ead566 100644
--- a/services/core/java/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDb.java
+++ b/services/core/java/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDb.java
@@ -590,6 +590,7 @@ public class RecoverableKeyStoreDb {
      *
      * @hide
      */
+    @Nullable
     public Long getServerParameters(int userId, int uid) {
         SQLiteDatabase db = mKeyStoreDbHelper.getReadableDatabase();