diff --git a/gerrit-gwtui-common/src/main/java/com/google/gerrit/client/info/AccountInfo.java b/gerrit-gwtui-common/src/main/java/com/google/gerrit/client/info/AccountInfo.java
index dc372855ea..e4c008c354 100644
--- a/gerrit-gwtui-common/src/main/java/com/google/gerrit/client/info/AccountInfo.java
+++ b/gerrit-gwtui-common/src/main/java/com/google/gerrit/client/info/AccountInfo.java
@@ -14,7 +14,6 @@
 
 package com.google.gerrit.client.info;
 
-import com.google.gerrit.reviewdb.client.Account;
 import com.google.gwt.core.client.JavaScriptObject;
 import com.google.gwt.core.client.JsArray;
 import com.google.gwt.core.client.JsArrayString;
@@ -22,10 +21,6 @@ import com.google.gwtjsonrpc.client.impl.ser.JavaSqlTimestamp_JsonSerializer;
 import java.sql.Timestamp;
 
 public class AccountInfo extends JavaScriptObject {
-  public final Account.Id getId() {
-    return new Account.Id(_accountId());
-  }
-
   public final native int _accountId() /*-{ return this._account_id || 0; }-*/;
 
   public final native String name() /*-{ return this.name; }-*/;
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/Dispatcher.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/Dispatcher.java
index 42d3fa0616..c9346f49a9 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/Dispatcher.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/Dispatcher.java
@@ -96,7 +96,6 @@ import com.google.gerrit.client.ui.Screen;
 import com.google.gerrit.common.Nullable;
 import com.google.gerrit.common.PageLinks;
 import com.google.gerrit.extensions.client.GeneralPreferencesInfo.DiffView;
-import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.Patch;
@@ -107,7 +106,6 @@ import com.google.gwt.core.client.RunAsyncCallback;
 import com.google.gwt.http.client.URL;
 import com.google.gwtexpui.user.client.UserAgent;
 import com.google.gwtorm.client.KeyUtil;
-import java.util.Optional;
 
 public class Dispatcher {
   public static String toPatch(
@@ -300,7 +298,7 @@ public class Dispatcher {
 
   private static Screen mine() {
     if (Gerrit.isSignedIn()) {
-      return new AccountDashboardScreen(Gerrit.getUserAccount().getId());
+      return new AccountDashboardScreen(Gerrit.getUserAccount()._accountId());
     }
     Screen r = new AccountDashboardScreen(null);
     r.setRequiresSignIn(true);
@@ -309,15 +307,15 @@ public class Dispatcher {
 
   private static void dashboard(String token) {
     String rest = skip(token);
-    Optional<Account.Id> accountId = Account.Id.tryParse(rest);
-    if (accountId.isPresent()) {
-      Gerrit.display(token, new AccountDashboardScreen(accountId.get()));
+    if (rest.matches("[0-9]+")) {
+      int accountId = Integer.parseInt(rest);
+      Gerrit.display(token, new AccountDashboardScreen(accountId));
       return;
     }
 
     if (rest.equals("self")) {
       if (Gerrit.isSignedIn()) {
-        Gerrit.display(token, new AccountDashboardScreen(Gerrit.getUserAccount().getId()));
+        Gerrit.display(token, new AccountDashboardScreen(Gerrit.getUserAccount()._accountId()));
       } else {
         Screen s = new AccountDashboardScreen(null);
         s.setRequiresSignIn(true);
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/account/MyProfileScreen.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/account/MyProfileScreen.java
index 177fc09877..02759482a7 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/account/MyProfileScreen.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/account/MyProfileScreen.java
@@ -122,6 +122,6 @@ public class MyProfileScreen extends SettingsScreen {
     info.setText(row++, fieldIdx, account.name());
     info.setText(row++, fieldIdx, account.email());
     info.setText(row++, fieldIdx, mediumFormat(account.registeredOn()));
-    info.setText(row, fieldIdx, account.getId().toString());
+    info.setText(row, fieldIdx, Integer.toString(account._accountId()));
   }
 }
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/change/ReplyBox.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/change/ReplyBox.java
index 80b179605c..0bbd6149e6 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/change/ReplyBox.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/change/ReplyBox.java
@@ -373,7 +373,7 @@ public class ReplyBox extends Composite {
     fmt.setStyleName(row, labelHelpColumn, style.label_help());
 
     ApprovalInfo self =
-        Gerrit.isSignedIn() ? lv.info.forUser(Gerrit.getUserAccount().getId().get()) : null;
+        Gerrit.isSignedIn() ? lv.info.forUser(Gerrit.getUserAccount()._accountId()) : null;
 
     final LabelRadioGroup group = new LabelRadioGroup(row, id, lv.permitted.size());
     for (int i = 0; i < columns.size(); i++) {
@@ -395,7 +395,7 @@ public class ReplyBox extends Composite {
 
   private void renderCheckBox(int row, LabelAndValues lv) {
     ApprovalInfo self =
-        Gerrit.isSignedIn() ? lv.info.forUser(Gerrit.getUserAccount().getId().get()) : null;
+        Gerrit.isSignedIn() ? lv.info.forUser(Gerrit.getUserAccount()._accountId()) : null;
 
     final String id = lv.info.name();
     final CheckBox b = new CheckBox();
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/AccountDashboardScreen.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/AccountDashboardScreen.java
index 0465902d8b..c6e4e2f247 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/AccountDashboardScreen.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/AccountDashboardScreen.java
@@ -23,7 +23,6 @@ import com.google.gerrit.client.ui.InlineHyperlink;
 import com.google.gerrit.client.ui.Screen;
 import com.google.gerrit.common.PageLinks;
 import com.google.gerrit.extensions.client.ListChangesOption;
-import com.google.gerrit.reviewdb.client.Account;
 import com.google.gwt.core.client.JsArray;
 import com.google.gwt.event.dom.client.KeyPressEvent;
 import com.google.gwtexpui.globalkey.client.KeyCommand;
@@ -43,7 +42,7 @@ public class AccountDashboardScreen extends Screen implements ChangeListScreen {
     MY_DASHBOARD_OPTIONS = Collections.unmodifiableSet(options);
   }
 
-  private final Account.Id ownerId;
+  private final Integer ownerId;
   private final boolean mine;
   private ChangeTable table;
   private ChangeTable.Section workInProgress;
@@ -51,9 +50,9 @@ public class AccountDashboardScreen extends Screen implements ChangeListScreen {
   private ChangeTable.Section incoming;
   private ChangeTable.Section closed;
 
-  public AccountDashboardScreen(Account.Id id) {
-    ownerId = id;
-    mine = Gerrit.isSignedIn() && ownerId.equals(Gerrit.getUserAccount().getId());
+  public AccountDashboardScreen(Integer accountId) {
+    ownerId = accountId;
+    mine = Gerrit.isSignedIn() && ownerId == Gerrit.getUserAccount()._accountId();
   }
 
   @Override
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/ChangeTable.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/ChangeTable.java
index 7243208e2f..425fe691cc 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/ChangeTable.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/ChangeTable.java
@@ -259,7 +259,7 @@ public class ChangeTable extends NavigationTable<ChangeInfo> {
       if (c.assignee() != null) {
         table.setWidget(row, C_ASSIGNEE, AccountLinkPanel.forAssignee(c.assignee()));
         if (Gerrit.getUserPreferences().highlightAssigneeInChangeTable()
-            && Objects.equals(c.assignee().getId(), Gerrit.getUserAccount().getId())) {
+            && Objects.equals(c.assignee()._accountId(), Gerrit.getUserAccount()._accountId())) {
           table.getRowFormatter().addStyleName(row, Gerrit.RESOURCES.css().cASSIGNEDTOME());
         }
       } else {