diff --git a/tests/cts/net/src/android/net/cts/EthernetManagerTest.kt b/tests/cts/net/src/android/net/cts/EthernetManagerTest.kt
index 0f76b85..248cd0a 100644
--- a/tests/cts/net/src/android/net/cts/EthernetManagerTest.kt
+++ b/tests/cts/net/src/android/net/cts/EthernetManagerTest.kt
@@ -20,6 +20,14 @@
 import android.Manifest.permission.NETWORK_SETTINGS
 import android.content.Context
 import android.net.ConnectivityManager
+import android.net.EthernetManager
+import android.net.EthernetManager.InterfaceStateListener
+import android.net.EthernetManager.ROLE_CLIENT
+import android.net.EthernetManager.ROLE_NONE
+import android.net.EthernetManager.ROLE_SERVER
+import android.net.EthernetManager.STATE_ABSENT
+import android.net.EthernetManager.STATE_LINK_DOWN
+import android.net.EthernetManager.STATE_LINK_UP
 import android.net.EthernetNetworkSpecifier
 import android.net.InetAddresses
 import android.net.IpConfiguration
@@ -32,35 +40,27 @@
 import android.net.TestNetworkInterface
 import android.net.TestNetworkManager
 import android.net.cts.EthernetManagerTest.EthernetStateListener.CallbackEntry.InterfaceStateChanged
+import android.os.Build
 import android.os.Handler
 import android.os.HandlerExecutor
 import android.os.Looper
 import android.platform.test.annotations.AppModeFull
 import android.util.ArraySet
 import androidx.test.platform.app.InstrumentationRegistry
-import androidx.test.runner.AndroidJUnit4
 import com.android.net.module.util.ArrayTrackRecord
 import com.android.net.module.util.TrackRecord
-import com.android.networkstack.apishim.EthernetManagerShimImpl
-import com.android.networkstack.apishim.common.EthernetManagerShim.InterfaceStateListener
-import com.android.networkstack.apishim.common.EthernetManagerShim.ROLE_CLIENT
-import com.android.networkstack.apishim.common.EthernetManagerShim.ROLE_NONE
-import com.android.networkstack.apishim.common.EthernetManagerShim.STATE_ABSENT
-import com.android.networkstack.apishim.common.EthernetManagerShim.STATE_LINK_DOWN
-import com.android.networkstack.apishim.common.EthernetManagerShim.STATE_LINK_UP
 import com.android.testutils.anyNetwork
 import com.android.testutils.DevSdkIgnoreRule
+import com.android.testutils.DevSdkIgnoreRunner
 import com.android.testutils.RecorderCallback.CallbackEntry.Available
 import com.android.testutils.RecorderCallback.CallbackEntry.Lost
 import com.android.testutils.RouterAdvertisementResponder
-import com.android.testutils.SC_V2
 import com.android.testutils.TapPacketReader
 import com.android.testutils.TestableNetworkCallback
 import com.android.testutils.runAsShell
 import com.android.testutils.waitForIdle
 import org.junit.After
 import org.junit.Before
-import org.junit.Rule
 import org.junit.Ignore
 import org.junit.Test
 import org.junit.runner.RunWith
@@ -85,14 +85,13 @@
     .build()
 
 @AppModeFull(reason = "Instant apps can't access EthernetManager")
-@RunWith(AndroidJUnit4::class)
+// EthernetManager is not updatable before T, so tests do not need to be backwards compatible.
+@RunWith(DevSdkIgnoreRunner::class)
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.S_V2)
 class EthernetManagerTest {
-    // EthernetManager is not updatable before T, so tests do not need to be backwards compatible
-    @get:Rule
-    val ignoreRule = DevSdkIgnoreRule(ignoreClassUpTo = SC_V2)
 
     private val context by lazy { InstrumentationRegistry.getInstrumentation().context }
-    private val em by lazy { EthernetManagerShimImpl.newInstance(context) }
+    private val em by lazy { context.getSystemService(EthernetManager::class.java) }
     private val cm by lazy { context.getSystemService(ConnectivityManager::class.java) }
 
     private val ifaceListener = EthernetStateListener()