diff --git a/tests/common/java/android/net/CaptivePortalDataTest.kt b/tests/common/java/android/net/CaptivePortalDataTest.kt
index 18a9331..f927380 100644
--- a/tests/common/java/android/net/CaptivePortalDataTest.kt
+++ b/tests/common/java/android/net/CaptivePortalDataTest.kt
@@ -19,7 +19,6 @@
 import android.os.Build
 import androidx.test.filters.SmallTest
 import com.android.modules.utils.build.SdkLevel
-import com.android.testutils.assertParcelSane
 import com.android.testutils.assertParcelingIsLossless
 import com.android.testutils.DevSdkIgnoreRule
 import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo
@@ -71,9 +70,8 @@
 
     @Test
     fun testParcelUnparcel() {
-        val fieldCount = if (SdkLevel.isAtLeastS()) 10 else 7
-        assertParcelSane(data, fieldCount)
-        assertParcelSane(dataFromPasspoint, fieldCount)
+        assertParcelingIsLossless(data)
+        assertParcelingIsLossless(dataFromPasspoint)
 
         assertParcelingIsLossless(makeBuilder().setUserPortalUrl(null).build())
         assertParcelingIsLossless(makeBuilder().setVenueInfoUrl(null).build())
diff --git a/tests/common/java/android/net/ConnectivityDiagnosticsManagerTest.java b/tests/common/java/android/net/ConnectivityDiagnosticsManagerTest.java
index 294ed10..03a9a80 100644
--- a/tests/common/java/android/net/ConnectivityDiagnosticsManagerTest.java
+++ b/tests/common/java/android/net/ConnectivityDiagnosticsManagerTest.java
@@ -21,7 +21,7 @@
 import static android.net.ConnectivityDiagnosticsManager.ConnectivityReport;
 import static android.net.ConnectivityDiagnosticsManager.DataStallReport;
 
-import static com.android.testutils.ParcelUtils.assertParcelSane;
+import static com.android.testutils.ParcelUtils.assertParcelingIsLossless;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -202,7 +202,7 @@
 
     @Test
     public void testConnectivityReportParcelUnparcel() {
-        assertParcelSane(createSampleConnectivityReport(), 5);
+        assertParcelingIsLossless(createSampleConnectivityReport());
     }
 
     private DataStallReport createSampleDataStallReport() {
@@ -303,7 +303,7 @@
 
     @Test
     public void testDataStallReportParcelUnparcel() {
-        assertParcelSane(createSampleDataStallReport(), 6);
+        assertParcelingIsLossless(createSampleDataStallReport());
     }
 
     @Test
diff --git a/tests/common/java/android/net/DhcpInfoTest.java b/tests/common/java/android/net/DhcpInfoTest.java
index ab4726b..b42e183 100644
--- a/tests/common/java/android/net/DhcpInfoTest.java
+++ b/tests/common/java/android/net/DhcpInfoTest.java
@@ -17,7 +17,6 @@
 package android.net;
 
 import static com.android.net.module.util.Inet4AddressUtils.inet4AddressToIntHTL;
-import static com.android.testutils.MiscAsserts.assertFieldCountEquals;
 import static com.android.testutils.ParcelUtils.parcelingRoundTrip;
 
 import static org.junit.Assert.assertEquals;
@@ -101,7 +100,6 @@
         // Cannot use assertParcelSane() here because this requires .equals() to work as
         // defined, but DhcpInfo has a different legacy behavior that we cannot change.
         final DhcpInfo dhcpInfo = createDhcpInfoObject();
-        assertFieldCountEquals(7, DhcpInfo.class);
 
         final DhcpInfo dhcpInfoRoundTrip = parcelingRoundTrip(dhcpInfo);
         assertTrue(dhcpInfoEquals(null, null));
diff --git a/tests/common/java/android/net/IpPrefixTest.java b/tests/common/java/android/net/IpPrefixTest.java
index 50ecb42..241d61f 100644
--- a/tests/common/java/android/net/IpPrefixTest.java
+++ b/tests/common/java/android/net/IpPrefixTest.java
@@ -17,7 +17,6 @@
 package android.net;
 
 import static com.android.testutils.MiscAsserts.assertEqualBothWays;
-import static com.android.testutils.MiscAsserts.assertFieldCountEquals;
 import static com.android.testutils.MiscAsserts.assertNotEqualEitherWay;
 import static com.android.testutils.ParcelUtils.assertParcelingIsLossless;
 
@@ -368,7 +367,5 @@
         p = new IpPrefix("192.0.2.0/25");
         assertParcelingIsLossless(p);
         assertTrue(p.isIPv4());
-
-        assertFieldCountEquals(2, IpPrefix.class);
     }
 }
diff --git a/tests/common/java/android/net/LinkAddressTest.java b/tests/common/java/android/net/LinkAddressTest.java
index 2cf3cf9..053a903 100644
--- a/tests/common/java/android/net/LinkAddressTest.java
+++ b/tests/common/java/android/net/LinkAddressTest.java
@@ -28,7 +28,6 @@
 import static android.system.OsConstants.RT_SCOPE_UNIVERSE;
 
 import static com.android.testutils.MiscAsserts.assertEqualBothWays;
-import static com.android.testutils.MiscAsserts.assertFieldCountEquals;
 import static com.android.testutils.MiscAsserts.assertNotEqualEitherWay;
 import static com.android.testutils.ParcelUtils.assertParcelingIsLossless;
 
@@ -45,7 +44,6 @@
 import androidx.test.runner.AndroidJUnit4;
 
 import com.android.testutils.DevSdkIgnoreRule;
-import com.android.testutils.DevSdkIgnoreRule.IgnoreAfter;
 import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo;
 
 import org.junit.Rule;
@@ -352,17 +350,6 @@
         assertParcelingIsLossless(l);
     }
 
-    @Test @IgnoreAfter(Build.VERSION_CODES.Q)
-    public void testFieldCount_Q() {
-        assertFieldCountEquals(4, LinkAddress.class);
-    }
-
-    @Test @IgnoreUpTo(Build.VERSION_CODES.Q)
-    public void testFieldCount() {
-        // Make sure any new field is covered by the above parceling tests when changing this number
-        assertFieldCountEquals(6, LinkAddress.class);
-    }
-
     @Test @IgnoreUpTo(Build.VERSION_CODES.Q)
     public void testDeprecationTime() {
         try {
diff --git a/tests/common/java/android/net/LinkPropertiesTest.java b/tests/common/java/android/net/LinkPropertiesTest.java
index 550953d..23c187e 100644
--- a/tests/common/java/android/net/LinkPropertiesTest.java
+++ b/tests/common/java/android/net/LinkPropertiesTest.java
@@ -20,7 +20,6 @@
 import static android.net.RouteInfo.RTN_UNICAST;
 import static android.net.RouteInfo.RTN_UNREACHABLE;
 
-import static com.android.testutils.ParcelUtils.assertParcelSane;
 import static com.android.testutils.ParcelUtils.assertParcelingIsLossless;
 import static com.android.testutils.ParcelUtils.parcelingRoundTrip;
 
@@ -1006,7 +1005,7 @@
     @Test @IgnoreAfter(Build.VERSION_CODES.Q)
     public void testLinkPropertiesParcelable_Q() throws Exception {
         final LinkProperties source = makeLinkPropertiesForParceling();
-        assertParcelSane(source, 14 /* fieldCount */);
+        assertParcelingIsLossless(source);
     }
 
     @Test @IgnoreUpTo(Build.VERSION_CODES.Q)
@@ -1017,8 +1016,7 @@
         source.setCaptivePortalApiUrl(CAPPORT_API_URL);
         source.setCaptivePortalData((CaptivePortalData) getCaptivePortalData());
         source.setDhcpServerAddress((Inet4Address) GATEWAY1);
-        assertParcelSane(new LinkProperties(source, true /* parcelSensitiveFields */),
-                18 /* fieldCount */);
+        assertParcelingIsLossless(new LinkProperties(source, true /* parcelSensitiveFields */));
 
         // Verify that without using a sensitiveFieldsParcelingCopy, sensitive fields are cleared.
         final LinkProperties sanitized = new LinkProperties(source);
diff --git a/tests/common/java/android/net/MatchAllNetworkSpecifierTest.kt b/tests/common/java/android/net/MatchAllNetworkSpecifierTest.kt
index a5e44d5..4a5eae4 100644
--- a/tests/common/java/android/net/MatchAllNetworkSpecifierTest.kt
+++ b/tests/common/java/android/net/MatchAllNetworkSpecifierTest.kt
@@ -23,10 +23,10 @@
 import androidx.test.filters.SmallTest
 import androidx.test.runner.AndroidJUnit4
 
-import com.android.testutils.assertParcelSane
 import com.android.testutils.DevSdkIgnoreRule
 import com.android.testutils.DevSdkIgnoreRule.IgnoreAfter
 import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo
+import com.android.testutils.assertParcelingIsLossless
 
 import java.lang.IllegalStateException
 
@@ -50,7 +50,7 @@
 
     @Test
     fun testParcel() {
-        assertParcelSane(MatchAllNetworkSpecifier(), 0)
+        assertParcelingIsLossless(MatchAllNetworkSpecifier())
     }
 
     @Test
diff --git a/tests/common/java/android/net/NattKeepalivePacketDataTest.kt b/tests/common/java/android/net/NattKeepalivePacketDataTest.kt
index 46f39dd..ad7a526 100644
--- a/tests/common/java/android/net/NattKeepalivePacketDataTest.kt
+++ b/tests/common/java/android/net/NattKeepalivePacketDataTest.kt
@@ -23,10 +23,9 @@
 import androidx.test.filters.SmallTest
 import androidx.test.runner.AndroidJUnit4
 import com.android.testutils.assertEqualBothWays
-import com.android.testutils.assertFieldCountEquals
-import com.android.testutils.assertParcelSane
 import com.android.testutils.DevSdkIgnoreRule
 import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo
+import com.android.testutils.assertParcelingIsLossless
 import com.android.testutils.parcelingRoundTrip
 import java.net.InetAddress
 import org.junit.Assert.assertEquals
@@ -93,7 +92,7 @@
 
     @Test @IgnoreUpTo(Build.VERSION_CODES.Q)
     fun testParcel() {
-        assertParcelSane(nattKeepalivePacket(), 0)
+        assertParcelingIsLossless(nattKeepalivePacket())
     }
 
     @Test @IgnoreUpTo(Build.VERSION_CODES.Q)
@@ -103,8 +102,6 @@
         assertNotEquals(nattKeepalivePacket(srcAddress = TEST_DST_ADDRV4), nattKeepalivePacket())
         // Test src port only because dst port have to be NATT_PORT
         assertNotEquals(nattKeepalivePacket(srcPort = TEST_PORT2), nattKeepalivePacket())
-        // Make sure the parceling test is updated if fields are added in the base class.
-        assertFieldCountEquals(5, KeepalivePacketData::class.java)
     }
 
     @Test @IgnoreUpTo(Build.VERSION_CODES.Q)
diff --git a/tests/common/java/android/net/NetworkAgentConfigTest.kt b/tests/common/java/android/net/NetworkAgentConfigTest.kt
index afaae1c..63c0a09 100644
--- a/tests/common/java/android/net/NetworkAgentConfigTest.kt
+++ b/tests/common/java/android/net/NetworkAgentConfigTest.kt
@@ -22,7 +22,7 @@
 import com.android.modules.utils.build.SdkLevel.isAtLeastS
 import com.android.testutils.DevSdkIgnoreRule
 import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo
-import com.android.testutils.assertParcelSane
+import com.android.testutils.assertParcelingIsLossless
 import org.junit.Assert.assertEquals
 import org.junit.Assert.assertFalse
 import org.junit.Assert.assertTrue
@@ -48,13 +48,7 @@
                 setBypassableVpn(true)
             }
         }.build()
-        if (isAtLeastS()) {
-            // From S, the config will have 12 items
-            assertParcelSane(config, 12)
-        } else {
-            // For R or below, the config will have 10 items
-            assertParcelSane(config, 10)
-        }
+        assertParcelingIsLossless(config)
     }
 
     @Test @IgnoreUpTo(Build.VERSION_CODES.Q)
diff --git a/tests/common/java/android/net/NetworkCapabilitiesTest.java b/tests/common/java/android/net/NetworkCapabilitiesTest.java
index 9537786..39a3941 100644
--- a/tests/common/java/android/net/NetworkCapabilitiesTest.java
+++ b/tests/common/java/android/net/NetworkCapabilitiesTest.java
@@ -52,7 +52,6 @@
 import static com.android.net.module.util.NetworkCapabilitiesUtils.TRANSPORT_USB;
 import static com.android.testutils.MiscAsserts.assertEmpty;
 import static com.android.testutils.MiscAsserts.assertThrows;
-import static com.android.testutils.ParcelUtils.assertParcelSane;
 import static com.android.testutils.ParcelUtils.assertParcelingIsLossless;
 
 import static org.junit.Assert.assertArrayEquals;
@@ -341,13 +340,7 @@
     }
 
     private void testParcelSane(NetworkCapabilities cap) {
-        if (isAtLeastS()) {
-            assertParcelSane(cap, 16);
-        } else if (isAtLeastR()) {
-            assertParcelSane(cap, 15);
-        } else {
-            assertParcelSane(cap, 11);
-        }
+        assertParcelingIsLossless(cap);
     }
 
     private static NetworkCapabilities createNetworkCapabilitiesWithTransportInfo() {
diff --git a/tests/common/java/android/net/NetworkStateSnapshotTest.kt b/tests/common/java/android/net/NetworkStateSnapshotTest.kt
index 0ca4d95..99f99c9 100644
--- a/tests/common/java/android/net/NetworkStateSnapshotTest.kt
+++ b/tests/common/java/android/net/NetworkStateSnapshotTest.kt
@@ -24,7 +24,7 @@
 import androidx.test.filters.SmallTest
 import com.android.testutils.DevSdkIgnoreRule
 import com.android.testutils.DevSdkIgnoreRunner
-import com.android.testutils.assertParcelSane
+import com.android.testutils.assertParcelingIsLossless
 import org.junit.Test
 import org.junit.runner.RunWith
 import java.net.Inet4Address
@@ -67,7 +67,7 @@
                 LinkProperties(), null, TYPE_NONE)
         val snapshot = NetworkStateSnapshot(
                 Network(TEST_NETID), TEST_CAPABILITIES, TEST_LINK_PROPERTIES, TEST_IMSI, TYPE_WIFI)
-        assertParcelSane(emptySnapshot, 5)
-        assertParcelSane(snapshot, 5)
+        assertParcelingIsLossless(emptySnapshot)
+        assertParcelingIsLossless(snapshot)
     }
 }
diff --git a/tests/common/java/android/net/OemNetworkPreferencesTest.java b/tests/common/java/android/net/OemNetworkPreferencesTest.java
index fd29a95..9ecb2ed 100644
--- a/tests/common/java/android/net/OemNetworkPreferencesTest.java
+++ b/tests/common/java/android/net/OemNetworkPreferencesTest.java
@@ -17,7 +17,7 @@
 package android.net;
 
 import static com.android.testutils.MiscAsserts.assertThrows;
-import static com.android.testutils.ParcelUtils.assertParcelSane;
+import static com.android.testutils.ParcelUtils.assertParcelingIsLossless;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -101,7 +101,7 @@
 
         final OemNetworkPreferences prefs = mBuilder.build();
 
-        assertParcelSane(prefs, 1 /* fieldCount */);
+        assertParcelingIsLossless(prefs);
     }
 
     @Test
diff --git a/tests/common/java/android/net/RouteInfoTest.java b/tests/common/java/android/net/RouteInfoTest.java
index 71689f9..15127fd 100644
--- a/tests/common/java/android/net/RouteInfoTest.java
+++ b/tests/common/java/android/net/RouteInfoTest.java
@@ -19,7 +19,6 @@
 import static android.net.RouteInfo.RTN_UNREACHABLE;
 
 import static com.android.testutils.MiscAsserts.assertEqualBothWays;
-import static com.android.testutils.MiscAsserts.assertFieldCountEquals;
 import static com.android.testutils.MiscAsserts.assertNotEqualEitherWay;
 import static com.android.testutils.ParcelUtils.assertParcelingIsLossless;
 
@@ -37,7 +36,6 @@
 import androidx.test.runner.AndroidJUnit4;
 
 import com.android.testutils.DevSdkIgnoreRule;
-import com.android.testutils.DevSdkIgnoreRule.IgnoreAfter;
 import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo;
 
 import org.junit.Rule;
@@ -371,17 +369,6 @@
         assertParcelingIsLossless(r);
     }
 
-    @Test @IgnoreAfter(Build.VERSION_CODES.Q)
-    public void testFieldCount_Q() {
-        assertFieldCountEquals(6, RouteInfo.class);
-    }
-
-    @Test @IgnoreUpTo(Build.VERSION_CODES.Q)
-    public void testFieldCount() {
-        // Make sure any new field is covered by the above parceling tests when changing this number
-        assertFieldCountEquals(7, RouteInfo.class);
-    }
-
     @Test @IgnoreUpTo(Build.VERSION_CODES.Q)
     public void testMtu() {
         RouteInfo r;
diff --git a/tests/common/java/android/net/TcpKeepalivePacketDataTest.kt b/tests/common/java/android/net/TcpKeepalivePacketDataTest.kt
index 7a18bb0..063ea23 100644
--- a/tests/common/java/android/net/TcpKeepalivePacketDataTest.kt
+++ b/tests/common/java/android/net/TcpKeepalivePacketDataTest.kt
@@ -20,8 +20,7 @@
 import android.os.Build
 import com.android.testutils.DevSdkIgnoreRule
 import com.android.testutils.DevSdkIgnoreRunner
-import com.android.testutils.assertFieldCountEquals
-import com.android.testutils.assertParcelSane
+import com.android.testutils.assertParcelingIsLossless
 import org.junit.Test
 import org.junit.runner.RunWith
 import java.net.InetAddress
@@ -68,15 +67,11 @@
         assertNotEquals(makeData(tcpWndScale = 3), makeData())
         assertNotEquals(makeData(ipTos = 0x14), makeData())
         assertNotEquals(makeData(ipTtl = 11), makeData())
-
-        // Update above assertions if field is added
-        assertFieldCountEquals(5, KeepalivePacketData::class.java)
-        assertFieldCountEquals(6, TcpKeepalivePacketData::class.java)
     }
 
     @Test
     fun testParcelUnparcel() {
-        assertParcelSane(makeData(), fieldCount = 6) { a, b ->
+        assertParcelingIsLossless(makeData()) { a, b ->
             // .equals() does not verify .packet
             a == b && a.packet contentEquals b.packet
         }
@@ -98,9 +93,5 @@
         assertTrue(str.contains(data.getTcpWindowScale().toString()))
         assertTrue(str.contains(data.getIpTos().toString()))
         assertTrue(str.contains(data.getIpTtl().toString()))
-
-        // Update above assertions if field is added
-        assertFieldCountEquals(5, KeepalivePacketData::class.java)
-        assertFieldCountEquals(6, TcpKeepalivePacketData::class.java)
     }
 }
\ No newline at end of file
diff --git a/tests/common/java/android/net/UnderlyingNetworkInfoTest.kt b/tests/common/java/android/net/UnderlyingNetworkInfoTest.kt
index f23ba26..c405d8e 100644
--- a/tests/common/java/android/net/UnderlyingNetworkInfoTest.kt
+++ b/tests/common/java/android/net/UnderlyingNetworkInfoTest.kt
@@ -20,7 +20,7 @@
 import androidx.test.filters.SmallTest
 import com.android.testutils.DevSdkIgnoreRule
 import com.android.testutils.DevSdkIgnoreRunner
-import com.android.testutils.assertParcelSane
+import com.android.testutils.assertParcelingIsLossless
 import org.junit.Test
 import org.junit.runner.RunWith
 import kotlin.test.assertEquals
@@ -39,12 +39,12 @@
         assertEquals(TEST_OWNER_UID, testInfo.getOwnerUid())
         assertEquals(TEST_IFACE, testInfo.getInterface())
         assertEquals(TEST_IFACE_LIST, testInfo.getUnderlyingInterfaces())
-        assertParcelSane(testInfo, 3)
+        assertParcelingIsLossless(testInfo)
 
         val emptyInfo = UnderlyingNetworkInfo(0, String(), listOf())
         assertEquals(0, emptyInfo.getOwnerUid())
         assertEquals(String(), emptyInfo.getInterface())
         assertEquals(listOf(), emptyInfo.getUnderlyingInterfaces())
-        assertParcelSane(emptyInfo, 3)
+        assertParcelingIsLossless(emptyInfo)
     }
 }
\ No newline at end of file
diff --git a/tests/common/java/android/net/apf/ApfCapabilitiesTest.java b/tests/common/java/android/net/apf/ApfCapabilitiesTest.java
index 88996d9..fa4adcb 100644
--- a/tests/common/java/android/net/apf/ApfCapabilitiesTest.java
+++ b/tests/common/java/android/net/apf/ApfCapabilitiesTest.java
@@ -16,7 +16,7 @@
 
 package android.net.apf;
 
-import static com.android.testutils.ParcelUtils.assertParcelSane;
+import static com.android.testutils.ParcelUtils.assertParcelingIsLossless;
 
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
@@ -62,7 +62,7 @@
         assertEquals(456, caps.maximumApfProgramSize);
         assertEquals(789, caps.apfPacketFormat);
 
-        assertParcelSane(caps, 3);
+        assertParcelingIsLossless(caps);
     }
 
     @Test
diff --git a/tests/common/java/android/net/metrics/ApfProgramEventTest.kt b/tests/common/java/android/net/metrics/ApfProgramEventTest.kt
index 0b7b740..1c175da 100644
--- a/tests/common/java/android/net/metrics/ApfProgramEventTest.kt
+++ b/tests/common/java/android/net/metrics/ApfProgramEventTest.kt
@@ -18,7 +18,7 @@
 
 import androidx.test.filters.SmallTest
 import androidx.test.runner.AndroidJUnit4
-import com.android.testutils.assertParcelSane
+import com.android.testutils.assertParcelingIsLossless
 import org.junit.Assert.assertEquals
 import org.junit.Assert.assertFalse
 import org.junit.Assert.assertTrue
@@ -48,7 +48,7 @@
         assertEquals(5, apfProgramEvent.programLength)
         assertEquals(ApfProgramEvent.flagsFor(true, true), apfProgramEvent.flags)
 
-        assertParcelSane(apfProgramEvent, 6)
+        assertParcelingIsLossless(apfProgramEvent)
     }
 
     @Test
diff --git a/tests/common/java/android/net/metrics/ApfStatsTest.kt b/tests/common/java/android/net/metrics/ApfStatsTest.kt
index 46a8c8e..610e674 100644
--- a/tests/common/java/android/net/metrics/ApfStatsTest.kt
+++ b/tests/common/java/android/net/metrics/ApfStatsTest.kt
@@ -18,7 +18,7 @@
 
 import androidx.test.filters.SmallTest
 import androidx.test.runner.AndroidJUnit4
-import com.android.testutils.assertParcelSane
+import com.android.testutils.assertParcelingIsLossless
 import org.junit.Assert.assertEquals
 import org.junit.Test
 import org.junit.runner.RunWith
@@ -52,6 +52,6 @@
         assertEquals(8, apfStats.programUpdatesAllowingMulticast)
         assertEquals(9, apfStats.maxProgramSize)
 
-        assertParcelSane(apfStats, 10)
+        assertParcelingIsLossless(apfStats)
     }
 }
diff --git a/tests/common/java/android/net/metrics/DhcpClientEventTest.kt b/tests/common/java/android/net/metrics/DhcpClientEventTest.kt
index 8d7a9c4..4c70e11 100644
--- a/tests/common/java/android/net/metrics/DhcpClientEventTest.kt
+++ b/tests/common/java/android/net/metrics/DhcpClientEventTest.kt
@@ -18,7 +18,7 @@
 
 import androidx.test.filters.SmallTest
 import androidx.test.runner.AndroidJUnit4
-import com.android.testutils.assertParcelSane
+import com.android.testutils.assertParcelingIsLossless
 import org.junit.Assert.assertEquals
 import org.junit.Test
 import org.junit.runner.RunWith
@@ -38,6 +38,6 @@
         assertEquals(FAKE_MESSAGE, dhcpClientEvent.msg)
         assertEquals(Integer.MAX_VALUE, dhcpClientEvent.durationMs)
 
-        assertParcelSane(dhcpClientEvent, 2)
+        assertParcelingIsLossless(dhcpClientEvent)
     }
 }
diff --git a/tests/common/java/android/net/metrics/IpManagerEventTest.kt b/tests/common/java/android/net/metrics/IpManagerEventTest.kt
index 64be508..bb21dca 100644
--- a/tests/common/java/android/net/metrics/IpManagerEventTest.kt
+++ b/tests/common/java/android/net/metrics/IpManagerEventTest.kt
@@ -18,7 +18,7 @@
 
 import androidx.test.filters.SmallTest
 import androidx.test.runner.AndroidJUnit4
-import com.android.testutils.assertParcelSane
+import com.android.testutils.assertParcelingIsLossless
 import org.junit.Assert.assertEquals
 import org.junit.Test
 import org.junit.runner.RunWith
@@ -33,7 +33,7 @@
             assertEquals(it, ipManagerEvent.eventType)
             assertEquals(Long.MAX_VALUE, ipManagerEvent.durationMs)
 
-            assertParcelSane(ipManagerEvent, 2)
+            assertParcelingIsLossless(ipManagerEvent)
         }
     }
 }
diff --git a/tests/common/java/android/net/metrics/IpReachabilityEventTest.kt b/tests/common/java/android/net/metrics/IpReachabilityEventTest.kt
index 55b5e49..3d21b81 100644
--- a/tests/common/java/android/net/metrics/IpReachabilityEventTest.kt
+++ b/tests/common/java/android/net/metrics/IpReachabilityEventTest.kt
@@ -18,7 +18,7 @@
 
 import androidx.test.filters.SmallTest
 import androidx.test.runner.AndroidJUnit4
-import com.android.testutils.assertParcelSane
+import com.android.testutils.assertParcelingIsLossless
 import org.junit.Assert.assertEquals
 import org.junit.Test
 import org.junit.runner.RunWith
@@ -32,7 +32,7 @@
             val ipReachabilityEvent = IpReachabilityEvent(it)
             assertEquals(it, ipReachabilityEvent.eventType)
 
-            assertParcelSane(ipReachabilityEvent, 1)
+            assertParcelingIsLossless(ipReachabilityEvent)
         }
     }
 }
diff --git a/tests/common/java/android/net/metrics/NetworkEventTest.kt b/tests/common/java/android/net/metrics/NetworkEventTest.kt
index 41430b0..17b5e2d 100644
--- a/tests/common/java/android/net/metrics/NetworkEventTest.kt
+++ b/tests/common/java/android/net/metrics/NetworkEventTest.kt
@@ -18,7 +18,7 @@
 
 import androidx.test.filters.SmallTest
 import androidx.test.runner.AndroidJUnit4
-import com.android.testutils.assertParcelSane
+import com.android.testutils.assertParcelingIsLossless
 import org.junit.Assert.assertEquals
 import org.junit.Test
 import org.junit.runner.RunWith
@@ -37,7 +37,7 @@
             assertEquals(it, networkEvent.eventType)
             assertEquals(Long.MAX_VALUE, networkEvent.durationMs)
 
-            assertParcelSane(networkEvent, 2)
+            assertParcelingIsLossless(networkEvent)
         }
     }
 }
diff --git a/tests/common/java/android/net/metrics/RaEventTest.kt b/tests/common/java/android/net/metrics/RaEventTest.kt
index d9b7203..e9daa0f 100644
--- a/tests/common/java/android/net/metrics/RaEventTest.kt
+++ b/tests/common/java/android/net/metrics/RaEventTest.kt
@@ -18,7 +18,7 @@
 
 import androidx.test.filters.SmallTest
 import androidx.test.runner.AndroidJUnit4
-import com.android.testutils.assertParcelSane
+import com.android.testutils.assertParcelingIsLossless
 import org.junit.Assert.assertEquals
 import org.junit.Test
 import org.junit.runner.RunWith
@@ -67,6 +67,6 @@
         assertEquals(5, raEvent.rdnssLifetime)
         assertEquals(6, raEvent.dnsslLifetime)
 
-        assertParcelSane(raEvent, 6)
+        assertParcelingIsLossless(raEvent)
     }
 }
diff --git a/tests/common/java/android/net/metrics/ValidationProbeEventTest.kt b/tests/common/java/android/net/metrics/ValidationProbeEventTest.kt
index 51c0d41..7dfa7e1 100644
--- a/tests/common/java/android/net/metrics/ValidationProbeEventTest.kt
+++ b/tests/common/java/android/net/metrics/ValidationProbeEventTest.kt
@@ -18,7 +18,7 @@
 
 import androidx.test.filters.SmallTest
 import androidx.test.runner.AndroidJUnit4
-import com.android.testutils.assertParcelSane
+import com.android.testutils.assertParcelingIsLossless
 import java.lang.reflect.Modifier
 import org.junit.Assert.assertEquals
 import org.junit.Assert.assertTrue
@@ -51,7 +51,7 @@
         assertTrue(validationProbeEvent.probeType hasType FIRST_VALIDATION)
         assertEquals(ValidationProbeEvent.DNS_SUCCESS, validationProbeEvent.returnCode)
 
-        assertParcelSane(validationProbeEvent, 3)
+        assertParcelingIsLossless(validationProbeEvent)
     }
 
     @Test
diff --git a/tests/common/java/android/net/netstats/NetworkStatsApiTest.kt b/tests/common/java/android/net/netstats/NetworkStatsApiTest.kt
index 7b22e45..c90b1aa 100644
--- a/tests/common/java/android/net/netstats/NetworkStatsApiTest.kt
+++ b/tests/common/java/android/net/netstats/NetworkStatsApiTest.kt
@@ -31,7 +31,6 @@
 import android.os.Build
 import androidx.test.filters.SmallTest
 import com.android.testutils.DevSdkIgnoreRule
-import com.android.testutils.assertFieldCountEquals
 import com.android.testutils.assertNetworkStatsEquals
 import com.android.testutils.assertParcelingIsLossless
 import org.junit.Before
@@ -176,7 +175,6 @@
         assertParcelingIsLossless(testStatsEmpty)
         assertParcelingIsLossless(testStats1)
         assertParcelingIsLossless(testStats2)
-        assertFieldCountEquals(15, NetworkStats::class.java)
     }
 
     @Test
diff --git a/tests/cts/net/src/android/net/cts/IpConfigurationTest.java b/tests/cts/net/src/android/net/cts/IpConfigurationTest.java
index 56ab2a7..385bf9e 100644
--- a/tests/cts/net/src/android/net/cts/IpConfigurationTest.java
+++ b/tests/cts/net/src/android/net/cts/IpConfigurationTest.java
@@ -16,7 +16,7 @@
 
 package android.net.cts;
 
-import static com.android.testutils.ParcelUtils.assertParcelSane;
+import static com.android.testutils.ParcelUtils.assertParcelingIsLossless;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
@@ -118,6 +118,6 @@
     @Test
     public void testParcel() {
         final IpConfiguration config = new IpConfiguration();
-        assertParcelSane(config, 4);
+        assertParcelingIsLossless(config);
     }
 }
diff --git a/tests/cts/net/src/android/net/cts/MacAddressTest.java b/tests/cts/net/src/android/net/cts/MacAddressTest.java
index 3fd3bba..e47155b 100644
--- a/tests/cts/net/src/android/net/cts/MacAddressTest.java
+++ b/tests/cts/net/src/android/net/cts/MacAddressTest.java
@@ -20,7 +20,7 @@
 import static android.net.MacAddress.TYPE_MULTICAST;
 import static android.net.MacAddress.TYPE_UNICAST;
 
-import static com.android.testutils.ParcelUtils.assertParcelSane;
+import static com.android.testutils.ParcelUtils.assertParcelingIsLossless;
 
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertFalse;
@@ -218,6 +218,6 @@
     public void testParcelMacAddress() {
         final MacAddress mac = MacAddress.fromString("52:74:f2:b1:a8:7f");
 
-        assertParcelSane(mac, 1);
+        assertParcelingIsLossless(mac);
     }
 }