diff --git a/tests/cts/net/src/android/net/cts/CaptivePortalApiTest.kt b/tests/cts/net/src/android/net/cts/CaptivePortalApiTest.kt
index 68d5281..ef2b0ce 100644
--- a/tests/cts/net/src/android/net/cts/CaptivePortalApiTest.kt
+++ b/tests/cts/net/src/android/net/cts/CaptivePortalApiTest.kt
@@ -35,8 +35,6 @@
 import android.net.dhcp.DhcpPacket.DHCP_MESSAGE_TYPE_DISCOVER
 import android.net.dhcp.DhcpPacket.DHCP_MESSAGE_TYPE_REQUEST
 import android.net.dhcp.DhcpRequestPacket
-import android.net.shared.Inet4AddressUtils.getBroadcastAddress
-import android.net.shared.Inet4AddressUtils.getPrefixMaskAsInet4Address
 import android.os.Build
 import android.os.HandlerThread
 import android.platform.test.annotations.AppModeFull
@@ -44,6 +42,8 @@
 import androidx.test.runner.AndroidJUnit4
 import com.android.compatibility.common.util.SystemUtil.runWithShellPermissionIdentity
 import com.android.compatibility.common.util.ThrowingRunnable
+import com.android.net.module.util.Inet4AddressUtils.getBroadcastAddress
+import com.android.net.module.util.Inet4AddressUtils.getPrefixMaskAsInet4Address
 import com.android.server.util.NetworkStackConstants.IPV4_ADDR_ANY
 import com.android.testutils.DevSdkIgnoreRule
 import com.android.testutils.DhcpClientPacketFilter
diff --git a/tests/cts/net/src/android/net/cts/ConnectivityDiagnosticsManagerTest.java b/tests/cts/net/src/android/net/cts/ConnectivityDiagnosticsManagerTest.java
index 0248f97..d17d8e5 100644
--- a/tests/cts/net/src/android/net/cts/ConnectivityDiagnosticsManagerTest.java
+++ b/tests/cts/net/src/android/net/cts/ConnectivityDiagnosticsManagerTest.java
@@ -57,6 +57,7 @@
 import android.os.IBinder;
 import android.os.PersistableBundle;
 import android.os.Process;
+import android.platform.test.annotations.AppModeFull;
 import android.util.Pair;
 
 import androidx.test.InstrumentationRegistry;
@@ -74,6 +75,7 @@
 
 @RunWith(DevSdkIgnoreRunner.class)
 @IgnoreUpTo(Build.VERSION_CODES.Q) // ConnectivityDiagnosticsManager did not exist in Q
+@AppModeFull(reason = "CHANGE_NETWORK_STATE, MANAGE_TEST_NETWORKS not grantable to instant apps")
 public class ConnectivityDiagnosticsManagerTest {
     private static final int CALLBACK_TIMEOUT_MILLIS = 5000;
     private static final int NO_CALLBACK_INVOKED_TIMEOUT = 500;
diff --git a/tests/cts/net/src/android/net/cts/DnsResolverTest.java b/tests/cts/net/src/android/net/cts/DnsResolverTest.java
index 28753ff..e6f75c3 100644
--- a/tests/cts/net/src/android/net/cts/DnsResolverTest.java
+++ b/tests/cts/net/src/android/net/cts/DnsResolverTest.java
@@ -30,7 +30,6 @@
 import android.content.ContentResolver;
 import android.net.ConnectivityManager;
 import android.net.ConnectivityManager.NetworkCallback;
-import android.net.DnsPacket;
 import android.net.DnsResolver;
 import android.net.LinkProperties;
 import android.net.Network;
@@ -47,6 +46,8 @@
 import android.test.AndroidTestCase;
 import android.util.Log;
 
+import com.android.net.module.util.DnsPacket;
+
 import java.net.Inet4Address;
 import java.net.Inet6Address;
 import java.net.InetAddress;