diff --git a/services/core/java/com/android/server/biometrics/sensors/fingerprint/aidl/FingerprintGenerateChallengeClient.java b/services/core/java/com/android/server/biometrics/sensors/fingerprint/aidl/FingerprintGenerateChallengeClient.java
index 402886b0e92c0..3c9cceddb5fd6 100644
--- a/services/core/java/com/android/server/biometrics/sensors/fingerprint/aidl/FingerprintGenerateChallengeClient.java
+++ b/services/core/java/com/android/server/biometrics/sensors/fingerprint/aidl/FingerprintGenerateChallengeClient.java
@@ -32,7 +32,6 @@ import com.android.server.biometrics.sensors.GenerateChallengeClient;
  */
 class FingerprintGenerateChallengeClient extends GenerateChallengeClient<ISession> {
     private static final String TAG = "FingerprintGenerateChallengeClient";
-    private static final int CHALLENGE_TIMEOUT_SEC = 600; // 10 minutes
 
     FingerprintGenerateChallengeClient(@NonNull Context context,
             @NonNull LazyDaemon<ISession> lazyDaemon,
@@ -45,7 +44,7 @@ class FingerprintGenerateChallengeClient extends GenerateChallengeClient<ISessio
     @Override
     protected void startHalOperation() {
         try {
-            getFreshDaemon().generateChallenge(mSequentialId, CHALLENGE_TIMEOUT_SEC);
+            getFreshDaemon().generateChallenge(mSequentialId);
         } catch (RemoteException e) {
             Slog.e(TAG, "Unable to generateChallenge", e);
         }
diff --git a/services/core/java/com/android/server/biometrics/sensors/fingerprint/aidl/TestHal.java b/services/core/java/com/android/server/biometrics/sensors/fingerprint/aidl/TestHal.java
index 9db2fcfd1b5b9..8547a689dfb18 100644
--- a/services/core/java/com/android/server/biometrics/sensors/fingerprint/aidl/TestHal.java
+++ b/services/core/java/com/android/server/biometrics/sensors/fingerprint/aidl/TestHal.java
@@ -45,7 +45,7 @@ public class TestHal extends IFingerprint.Stub {
 
         return new ISession.Stub() {
             @Override
-            public void generateChallenge(int cookie, int timeoutSec) throws RemoteException {
+            public void generateChallenge(int cookie) throws RemoteException {
                 Slog.w(TAG, "generateChallenge, cookie: " + cookie);
                 cb.onChallengeGenerated(0L);
             }