diff --git a/authfs/tests/benchmarks/src/java/com/android/fs/benchmarks/AuthFsBenchmarks.java b/authfs/tests/benchmarks/src/java/com/android/fs/benchmarks/AuthFsBenchmarks.java
index 428c816..8cee496 100644
--- a/authfs/tests/benchmarks/src/java/com/android/fs/benchmarks/AuthFsBenchmarks.java
+++ b/authfs/tests/benchmarks/src/java/com/android/fs/benchmarks/AuthFsBenchmarks.java
@@ -20,6 +20,7 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
+import static org.junit.Assume.assumeFalse;
 import static org.junit.Assume.assumeTrue;
 
 import android.cts.host.utils.DeviceJUnit4ClassRunnerWithParameters;
@@ -28,11 +29,11 @@
 
 import com.android.fs.common.AuthFsTestRule;
 import com.android.microdroid.test.common.MetricsProcessor;
+import com.android.microdroid.test.host.MicrodroidHostTestCaseBase;
 import com.android.tradefed.device.DeviceNotAvailableException;
 import com.android.tradefed.metrics.proto.MetricMeasurement.DataType;
 import com.android.tradefed.metrics.proto.MetricMeasurement.Measurements;
 import com.android.tradefed.metrics.proto.MetricMeasurement.Metric;
-import com.android.tradefed.testtype.junit4.BaseHostJUnit4Test;
 
 import org.junit.After;
 import org.junit.AfterClass;
@@ -52,7 +53,7 @@
 @RootPermissionTest
 @RunWith(DeviceJUnit4Parameterized.class)
 @UseParametersRunnerFactory(DeviceJUnit4ClassRunnerWithParameters.RunnerFactory.class)
-public class AuthFsBenchmarks extends BaseHostJUnit4Test {
+public class AuthFsBenchmarks extends MicrodroidHostTestCaseBase {
     private static final int TRIAL_COUNT = 5;
 
     /** Name of the measure_io binary on host. */
@@ -82,6 +83,7 @@
         AuthFsTestRule.setUpAndroid(getTestInformation());
         mAuthFsTestRule.setUpTest();
         assumeTrue(AuthFsTestRule.getDevice().supportsMicrodroid(mProtectedVm));
+        assumeFalse("Skip on CF; protected VM not supported", isCuttlefish());
         String metricsPrefix =
                 MetricsProcessor.getMetricPrefix(
                         getDevice().getProperty("debug.hypervisor.metrics_tag"));