diff --git a/services/core/proto/ipconnectivity.proto b/proto/src/ipconnectivity.proto
similarity index 100%
rename from services/core/proto/ipconnectivity.proto
rename to proto/src/ipconnectivity.proto
diff --git a/services/core/Android.mk b/services/core/Android.mk
index 9efafb7a0694e..11586eedfee49 100644
--- a/services/core/Android.mk
+++ b/services/core/Android.mk
@@ -8,7 +8,6 @@ LOCAL_AIDL_INCLUDES := system/netd/server/binder
 
 LOCAL_SRC_FILES += \
     $(call all-java-files-under,java) \
-    $(call all-proto-files-under, proto) \
     java/com/android/server/EventLogTags.logtags \
     java/com/android/server/am/EventLogTags.logtags \
     ../../../../system/netd/server/binder/android/net/INetd.aidl \
@@ -24,7 +23,6 @@ LOCAL_JAVA_LIBRARIES := \
     android.hardware.light@2.0-java
 
 LOCAL_STATIC_JAVA_LIBRARIES := tzdata_update
-LOCAL_PROTOC_OPTIMIZE_TYPE := nano
 
 ifneq ($(INCREMENTAL_BUILDS),)
     LOCAL_PROGUARD_ENABLED := disabled
diff --git a/services/tests/servicestests/src/com/android/server/connectivity/IpConnectivityEventBuilderTest.java b/services/tests/servicestests/src/com/android/server/connectivity/IpConnectivityEventBuilderTest.java
index 84f0f9040b0c2..6ff0c5a8595e8 100644
--- a/services/tests/servicestests/src/com/android/server/connectivity/IpConnectivityEventBuilderTest.java
+++ b/services/tests/servicestests/src/com/android/server/connectivity/IpConnectivityEventBuilderTest.java
@@ -16,6 +16,17 @@
 
 package com.android.server.connectivity;
 
+import static com.android.server.connectivity.MetricsTestUtil.aBool;
+import static com.android.server.connectivity.MetricsTestUtil.aByteArray;
+import static com.android.server.connectivity.MetricsTestUtil.aLong;
+import static com.android.server.connectivity.MetricsTestUtil.aString;
+import static com.android.server.connectivity.MetricsTestUtil.aType;
+import static com.android.server.connectivity.MetricsTestUtil.anInt;
+import static com.android.server.connectivity.MetricsTestUtil.anIntArray;
+import static com.android.server.connectivity.MetricsTestUtil.b;
+import static com.android.server.connectivity.MetricsTestUtil.describeIpEvent;
+import static com.android.server.connectivity.metrics.IpConnectivityLogClass.IpConnectivityLog;
+
 import android.net.ConnectivityMetricsEvent;
 import android.net.metrics.ApfProgramEvent;
 import android.net.metrics.ApfStats;
@@ -28,21 +39,10 @@ import android.net.metrics.IpReachabilityEvent;
 import android.net.metrics.NetworkEvent;
 import android.net.metrics.RaEvent;
 import android.net.metrics.ValidationProbeEvent;
-import com.google.protobuf.nano.MessageNano;
-import java.util.Arrays;
+
 import junit.framework.TestCase;
 
-import static com.android.server.connectivity.metrics.IpConnectivityLogClass.IpConnectivityLog;
-import static com.android.server.connectivity.MetricsTestUtil.aBool;
-import static com.android.server.connectivity.MetricsTestUtil.aByteArray;
-import static com.android.server.connectivity.MetricsTestUtil.aLong;
-import static com.android.server.connectivity.MetricsTestUtil.aString;
-import static com.android.server.connectivity.MetricsTestUtil.aType;
-import static com.android.server.connectivity.MetricsTestUtil.anInt;
-import static com.android.server.connectivity.MetricsTestUtil.anIntArray;
-import static com.android.server.connectivity.MetricsTestUtil.b;
-import static com.android.server.connectivity.MetricsTestUtil.describeIpEvent;
-import static com.android.server.connectivity.MetricsTestUtil.ipEv;
+import java.util.Arrays;
 
 public class IpConnectivityEventBuilderTest extends TestCase {
 
@@ -351,8 +351,7 @@ public class IpConnectivityEventBuilderTest extends TestCase {
     static void verifySerialization(String want, ConnectivityMetricsEvent... input) {
         try {
             byte[] got = IpConnectivityEventBuilder.serialize(0, Arrays.asList(input));
-            IpConnectivityLog log = new IpConnectivityLog();
-            MessageNano.mergeFrom(log, got);
+            IpConnectivityLog log = IpConnectivityLog.parseFrom(got);
             assertEquals(want, log.toString());
         } catch (Exception e) {
             fail(e.toString());
diff --git a/services/tests/servicestests/src/com/android/server/connectivity/IpConnectivityMetricsTest.java b/services/tests/servicestests/src/com/android/server/connectivity/IpConnectivityMetricsTest.java
index aa491bbabd795..c7982b1a1f393 100644
--- a/services/tests/servicestests/src/com/android/server/connectivity/IpConnectivityMetricsTest.java
+++ b/services/tests/servicestests/src/com/android/server/connectivity/IpConnectivityMetricsTest.java
@@ -16,6 +16,9 @@
 
 package com.android.server.connectivity;
 
+import static org.mockito.Mockito.timeout;
+import static org.mockito.Mockito.verify;
+
 import android.content.Context;
 import android.net.ConnectivityMetricsEvent;
 import android.net.IIpConnectivityMetrics;
@@ -30,22 +33,21 @@ import android.net.metrics.RaEvent;
 import android.net.metrics.ValidationProbeEvent;
 import android.os.Parcelable;
 import android.util.Base64;
+
 import com.android.server.connectivity.metrics.IpConnectivityLogClass;
-import com.google.protobuf.nano.MessageNano;
+
+import junit.framework.TestCase;
+
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.Iterator;
 import java.util.List;
-import junit.framework.TestCase;
-import org.mockito.ArgumentCaptor;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
-
-import static org.mockito.Mockito.timeout;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
 
 public class IpConnectivityMetricsTest extends TestCase {
     static final IpReachabilityEvent FAKE_EV =
@@ -254,8 +256,7 @@ public class IpConnectivityMetricsTest extends TestCase {
         try {
             byte[] got = Base64.decode(output, Base64.DEFAULT);
             IpConnectivityLogClass.IpConnectivityLog log =
-                    new IpConnectivityLogClass.IpConnectivityLog();
-            MessageNano.mergeFrom(log, got);
+                    IpConnectivityLogClass.IpConnectivityLog.parseFrom(got);
             assertEquals(want, log.toString());
         } catch (Exception e) {
             fail(e.toString());