diff --git a/github-oauth/pom.xml b/github-oauth/pom.xml
index f559857..cb738b5 100644
--- a/github-oauth/pom.xml
+++ b/github-oauth/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.googlesource.gerrit.plugins.github</groupId>
     <artifactId>github-parent</artifactId>
-    <version>2.16.8</version>
+    <version>3.0.0</version>
   </parent>
   <artifactId>github-oauth</artifactId>
   <name>Gerrit Code Review - GitHub OAuth login</name>
diff --git a/github-plugin/pom.xml b/github-plugin/pom.xml
index 5af424a..d252daa 100644
--- a/github-plugin/pom.xml
+++ b/github-plugin/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>github-parent</artifactId>
     <groupId>com.googlesource.gerrit.plugins.github</groupId>
-    <version>2.16.8</version>
+    <version>3.0.0</version>
   </parent>
 
   <artifactId>github-plugin</artifactId>
diff --git a/github-plugin/src/main/java/com/google/gerrit/server/account/AccountImporter.java b/github-plugin/src/main/java/com/google/gerrit/server/account/AccountImporter.java
index 549c560..6a8a014 100644
--- a/github-plugin/src/main/java/com/google/gerrit/server/account/AccountImporter.java
+++ b/github-plugin/src/main/java/com/google/gerrit/server/account/AccountImporter.java
@@ -15,10 +15,9 @@
 
 import com.google.common.base.MoreObjects;
 import com.google.gerrit.reviewdb.client.Account;
-import com.google.gerrit.server.Sequences;
 import com.google.gerrit.server.ServerInitiated;
 import com.google.gerrit.server.account.externalids.ExternalId;
-import com.google.gwtorm.server.OrmException;
+import com.google.gerrit.server.notedb.Sequences;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
 import java.io.IOException;
@@ -38,7 +37,7 @@
   }
 
   public Account.Id importAccount(String login, String name, String email)
-      throws IOException, OrmException, ConfigInvalidException {
+      throws IOException, ConfigInvalidException {
     Account.Id id = new Account.Id(sequences.nextAccountId());
     List<ExternalId> extIds = new ArrayList<>();
     extIds.add(ExternalId.createEmail(id, email));
diff --git a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/CreateProjectStep.java b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/CreateProjectStep.java
index e3006b6..5488838 100644
--- a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/CreateProjectStep.java
+++ b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/CreateProjectStep.java
@@ -48,6 +48,7 @@
 
   private final String organisation;
   private final String repository;
+  private final ProjectConfig.Factory projectConfigFactory;
 
   private MetaDataUpdate.User metaDataUpdateFactory;
   private String description;
@@ -74,6 +75,7 @@
       GitHubRepository.Factory ghRepoFactory,
       GitHubConfig gitHubConfig,
       OneOffRequestContext context,
+      ProjectConfig.Factory projectConfigFactory,
       @Assisted("organisation") String organisation,
       @Assisted("name") String repository,
       @Assisted("description") String description,
@@ -90,6 +92,7 @@
     this.username = username;
     this.config = gitHubConfig;
     this.context = context;
+    this.projectConfigFactory = projectConfigFactory;
   }
 
   private void setProjectPermissions() {
@@ -160,7 +163,7 @@
     MetaDataUpdate md = null;
     try (ManualRequestContext requestContext = context.openAs(config.importAccountId)) {
       md = metaDataUpdateFactory.create(getProjectNameKey());
-      projectConfig = ProjectConfig.read(md);
+      projectConfig = projectConfigFactory.read(md);
       progress.beginTask("Configure Gerrit project", 2);
       setProjectSettings();
       progress.update(1);
diff --git a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/GitCloneStep.java b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/GitCloneStep.java
index 44b24cb..54ff346 100644
--- a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/GitCloneStep.java
+++ b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/GitCloneStep.java
@@ -24,7 +24,6 @@
 import com.google.gerrit.server.project.ProjectCache;
 import com.google.gerrit.server.util.ManualRequestContext;
 import com.google.gerrit.server.util.OneOffRequestContext;
-import com.google.gwtorm.server.OrmException;
 import com.google.inject.Inject;
 import com.google.inject.assistedinject.Assisted;
 import com.googlesource.gerrit.plugins.github.GitHubConfig;
@@ -104,9 +103,6 @@
       throw new GitDestinationAlreadyExistsException(projectName);
     } catch (RestApiException e) {
       throw new GitException("Unable to create repository " + projectName, e);
-    } catch (OrmException e) {
-      throw new GitException(
-          "Unable to create request context to create a new project " + projectName, e);
     }
   }
 
diff --git a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/PullRequestCreateChange.java b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/PullRequestCreateChange.java
index f2313a0..7ebe8d3 100644
--- a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/PullRequestCreateChange.java
+++ b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/PullRequestCreateChange.java
@@ -16,41 +16,31 @@
 
 import static com.google.gerrit.reviewdb.client.RefNames.REFS_HEADS;
 
-import com.google.gerrit.common.errors.EmailException;
 import com.google.gerrit.extensions.restapi.RestApiException;
 import com.google.gerrit.index.query.QueryParseException;
 import com.google.gerrit.index.query.QueryResult;
-import com.google.gerrit.reviewdb.client.Account;
-import com.google.gerrit.reviewdb.client.Branch;
-import com.google.gerrit.reviewdb.client.Change;
-import com.google.gerrit.reviewdb.client.PatchSet;
-import com.google.gerrit.reviewdb.client.Project;
-import com.google.gerrit.reviewdb.server.ReviewDb;
+import com.google.gerrit.reviewdb.client.*;
 import com.google.gerrit.server.ChangeUtil;
 import com.google.gerrit.server.IdentifiedUser;
 import com.google.gerrit.server.IdentifiedUser.GenericFactory;
 import com.google.gerrit.server.change.ChangeInserter;
 import com.google.gerrit.server.change.PatchSetInserter;
 import com.google.gerrit.server.notedb.ChangeNotes;
+import com.google.gerrit.server.notedb.Sequences;
 import com.google.gerrit.server.project.InvalidChangeOperationException;
 import com.google.gerrit.server.project.NoSuchChangeException;
-import com.google.gerrit.server.project.NoSuchProjectException;
 import com.google.gerrit.server.query.change.ChangeData;
 import com.google.gerrit.server.query.change.ChangeQueryBuilder;
 import com.google.gerrit.server.query.change.ChangeQueryProcessor;
 import com.google.gerrit.server.query.change.InternalChangeQuery;
-import com.google.gerrit.server.submit.IntegrationException;
 import com.google.gerrit.server.update.BatchUpdate;
 import com.google.gerrit.server.update.UpdateException;
 import com.google.gerrit.server.util.time.TimeUtil;
-import com.google.gwtorm.server.OrmException;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
 import java.io.IOException;
 import java.util.Collections;
 import java.util.List;
-import org.eclipse.jgit.errors.IncorrectObjectTypeException;
-import org.eclipse.jgit.errors.MissingObjectException;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.Ref;
 import org.eclipse.jgit.lib.Repository;
@@ -72,6 +62,7 @@
   private final BatchUpdate.Factory updateFactory;
   private final Provider<ChangeQueryProcessor> qp;
   private final ChangeQueryBuilder changeQuery;
+  private final Sequences sequences;
 
   @Inject
   PullRequestCreateChange(
@@ -81,7 +72,8 @@
       Provider<InternalChangeQuery> queryProvider,
       BatchUpdate.Factory batchUpdateFactory,
       Provider<ChangeQueryProcessor> qp,
-      ChangeQueryBuilder changeQuery) {
+      ChangeQueryBuilder changeQuery,
+      Sequences sequences) {
     this.changeInserterFactory = changeInserterFactory;
     this.patchSetInserterFactory = patchSetInserterFactory;
     this.userFactory = userFactory;
@@ -89,10 +81,10 @@
     this.updateFactory = batchUpdateFactory;
     this.qp = qp;
     this.changeQuery = changeQuery;
+    this.sequences = sequences;
   }
 
   public Change.Id addCommitToChange(
-      ReviewDb db,
       final Project project,
       final Repository repo,
       final String destinationBranch,
@@ -100,15 +92,13 @@
       final RevCommit pullRequestCommit,
       final String pullRequestMessage,
       final String topic)
-      throws NoSuchChangeException, EmailException, OrmException, MissingObjectException,
-          IncorrectObjectTypeException, IOException, InvalidChangeOperationException,
-          IntegrationException, NoSuchProjectException, UpdateException, RestApiException {
+      throws NoSuchChangeException, IOException, InvalidChangeOperationException, UpdateException,
+          RestApiException {
     try (BatchUpdate bu =
         updateFactory.create(
-            db, project.getNameKey(), userFactory.create(pullRequestOwner), TimeUtil.nowTs())) {
+            project.getNameKey(), userFactory.create(pullRequestOwner), TimeUtil.nowTs())) {
 
       return internalAddCommitToChange(
-          db,
           bu,
           project,
           repo,
@@ -121,7 +111,6 @@
   }
 
   public Change.Id internalAddCommitToChange(
-      ReviewDb db,
       BatchUpdate bu,
       final Project project,
       final Repository repo,
@@ -130,8 +119,7 @@
       final RevCommit pullRequestCommit,
       final String pullRequestMesage,
       final String topic)
-      throws InvalidChangeOperationException, IOException, NoSuchProjectException, OrmException,
-          UpdateException, RestApiException {
+      throws InvalidChangeOperationException, IOException, UpdateException, RestApiException {
     if (destinationBranch == null || destinationBranch.length() == 0) {
       throw new InvalidChangeOperationException("Destination branch cannot be null or empty");
     }
@@ -201,7 +189,6 @@
     // Change key not found on destination branch. We can create a new
     // change.
     return createNewChange(
-        db,
         bu,
         changeKey,
         project.getNameKey(),
@@ -218,7 +205,7 @@
     try {
       results = qp.get().query(changeQuery.commit(pullRequestSha1));
       return results.entities();
-    } catch (OrmException | QueryParseException e) {
+    } catch (QueryParseException e) {
       LOG.error(
           "Invalid SHA1 " + pullRequestSha1 + ": cannot query changes for this pull request", e);
       return Collections.emptyList();
@@ -247,7 +234,6 @@
   }
 
   private Change.Id createNewChange(
-      ReviewDb db,
       BatchUpdate bu,
       Change.Key changeKey,
       Project.NameKey project,
@@ -257,11 +243,11 @@
       String refName,
       String pullRequestMessage,
       String topic)
-      throws OrmException, UpdateException, RestApiException, IOException {
+      throws UpdateException, RestApiException, IOException {
     Change change =
         new Change(
             changeKey,
-            new Change.Id(db.nextChangeId()),
+            new Change.Id(sequences.nextChangeId()),
             pullRequestOwner,
             new Branch.NameKey(project, destRef.getName()),
             TimeUtil.nowTs());
diff --git a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/PullRequestImportJob.java b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/PullRequestImportJob.java
index e54b2eb..cfc3a7d 100644
--- a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/PullRequestImportJob.java
+++ b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/git/PullRequestImportJob.java
@@ -23,16 +23,13 @@
 import com.google.gerrit.reviewdb.client.Change.Id;
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gerrit.reviewdb.client.Project.NameKey;
-import com.google.gerrit.reviewdb.server.ReviewDb;
 import com.google.gerrit.server.account.AccountImporter;
 import com.google.gerrit.server.account.externalids.ExternalId;
 import com.google.gerrit.server.account.externalids.ExternalIds;
 import com.google.gerrit.server.git.GitRepositoryManager;
 import com.google.gerrit.server.project.ProjectCache;
 import com.google.gerrit.server.project.ProjectState;
-import com.google.gwtorm.server.OrmException;
 import com.google.inject.Inject;
-import com.google.inject.Provider;
 import com.google.inject.assistedinject.Assisted;
 import com.googlesource.gerrit.plugins.github.git.GitJobStatus.Code;
 import com.googlesource.gerrit.plugins.github.oauth.GitHubLogin;
@@ -88,7 +85,6 @@
   private Project project;
   private GitJobStatus status;
   private boolean cancelRequested;
-  private Provider<ReviewDb> schema;
   private AccountImporter accountImporter;
 
   @Inject
@@ -96,7 +92,6 @@
       GitRepositoryManager repoMgr,
       PullRequestCreateChange createChange,
       ProjectCache projectCache,
-      Provider<ReviewDb> schema,
       AccountImporter accountImporter,
       GitHubRepository.Factory gitHubRepoFactory,
       ScopedProvider<GitHubLogin> ghLoginProvider,
@@ -115,7 +110,6 @@
     this.project = fetchGerritProject(projectCache, organisation, repoName);
     this.ghRepository = gitHubRepoFactory.create(organisation, repoName);
     this.status = new GitJobStatus(jobIndex);
-    this.schema = schema;
     this.accountImporter = accountImporter;
     this.externalIds = externalIds;
   }
@@ -129,7 +123,7 @@
 
   @Override
   public void run() {
-    try (ReviewDb db = schema.get()) {
+    try {
       status.update(GitJobStatus.Code.SYNC);
       exitWhenCancelled();
       GHPullRequest pr = fetchGitHubPullRequestInfo();
@@ -141,7 +135,7 @@
         fetchGitHubPullRequest(gitRepo, pr);
 
         exitWhenCancelled();
-        List<Id> changeIds = addPullRequestToChange(db, pr, gitRepo);
+        List<Id> changeIds = addPullRequestToChange(pr, gitRepo);
         status.update(
             GitJobStatus.Code.COMPLETE, "Imported", "PullRequest imported as Changes " + changeIds);
       }
@@ -161,8 +155,7 @@
     }
   }
 
-  private List<Id> addPullRequestToChange(ReviewDb db, GHPullRequest pr, Repository gitRepo)
-      throws Exception {
+  private List<Id> addPullRequestToChange(GHPullRequest pr, Repository gitRepo) throws Exception {
     String destinationBranch = REFS_HEADS + pr.getBase().getRef();
     List<Id> prChanges = Lists.newArrayList();
     ObjectId baseObjectId = ObjectId.fromString(pr.getBase().getSha());
@@ -185,10 +178,9 @@
         GitUser commitAuthor = ghCommitDetail.getCommit().getAuthor();
         GitHubUser gitHubUser = GitHubUser.from(prUser, commitAuthor);
 
-        Account.Id pullRequestOwner = getOrRegisterAccount(db, gitHubUser);
+        Account.Id pullRequestOwner = getOrRegisterAccount(gitHubUser);
         Id changeId =
             createChange.addCommitToChange(
-                db,
                 project,
                 gitRepo,
                 destinationBranch,
@@ -205,17 +197,16 @@
     }
   }
 
-  private com.google.gerrit.reviewdb.client.Account.Id getOrRegisterAccount(
-      ReviewDb db, GitHubUser author)
+  private com.google.gerrit.reviewdb.client.Account.Id getOrRegisterAccount(GitHubUser author)
       throws BadRequestException, ResourceConflictException, UnprocessableEntityException,
-          OrmException, IOException, ConfigInvalidException {
-    return getOrRegisterAccount(db, author.getLogin(), author.getName(), author.getEmail());
+          IOException, ConfigInvalidException {
+    return getOrRegisterAccount(author.getLogin(), author.getName(), author.getEmail());
   }
 
   private com.google.gerrit.reviewdb.client.Account.Id getOrRegisterAccount(
-      ReviewDb db, String login, String name, String email)
-      throws OrmException, BadRequestException, ResourceConflictException,
-          UnprocessableEntityException, IOException, ConfigInvalidException {
+      String login, String name, String email)
+      throws BadRequestException, ResourceConflictException, UnprocessableEntityException,
+          IOException, ConfigInvalidException {
     Optional<ExternalId> gerritId = externalIdByScheme(ExternalId.SCHEME_GERRIT, login);
     if (gerritId.isPresent()) {
       return gerritId.get().accountId();
diff --git a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/replication/GerritGsonProvider.java b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/replication/GerritGsonProvider.java
index c4334be..250d7e5 100644
--- a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/replication/GerritGsonProvider.java
+++ b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/replication/GerritGsonProvider.java
@@ -14,7 +14,7 @@
 
 package com.googlesource.gerrit.plugins.github.replication;
 
-import com.google.gerrit.server.OutputFormat;
+import com.google.gerrit.json.OutputFormat;
 import com.google.gson.Gson;
 import com.google.inject.Provider;
 import com.google.inject.Singleton;
diff --git a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/VelocityStaticServlet.java b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/VelocityStaticServlet.java
index 3359065..06a5556 100644
--- a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/VelocityStaticServlet.java
+++ b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/VelocityStaticServlet.java
@@ -16,7 +16,7 @@
 
 import com.google.common.collect.Maps;
 import com.google.gerrit.util.http.CacheHeaders;
-import com.google.gwtjsonrpc.server.RPCServletUtils;
+import com.google.gerrit.util.http.RequestUtil;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
 import com.google.inject.Singleton;
@@ -141,7 +141,7 @@
 
     final String type = contentType(p.getName());
     final byte[] tosend;
-    if (!type.equals("application/x-javascript") && RPCServletUtils.acceptsGzipEncoding(req)) {
+    if (!type.equals("application/x-javascript") && RequestUtil.acceptsGzipEncoding(req)) {
       rsp.setHeader("Content-Encoding", "gzip");
       tosend = compress(readResource(p));
     } else {
diff --git a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/wizard/AccountController.java b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/wizard/AccountController.java
index e5166cd..e3fbc5a 100644
--- a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/wizard/AccountController.java
+++ b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/wizard/AccountController.java
@@ -37,7 +37,6 @@
 import com.google.gerrit.server.restapi.account.GetSshKeys;
 import com.google.gerrit.server.restapi.account.PutName;
 import com.google.gerrit.server.restapi.account.PutPreferred;
-import com.google.gwtorm.server.OrmDuplicateKeyException;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
 import com.googlesource.gerrit.plugins.github.oauth.GitHubLogin;
@@ -150,8 +149,6 @@
                 "Set Username from GitHub",
                 accountId,
                 u -> u.addExternalId(ExternalId.create(key, accountId, null, null)));
-      } catch (OrmDuplicateKeyException dupeErr) {
-        throw new IllegalArgumentException("username " + username + " already in use");
       } catch (Exception e) {
         throw new IllegalArgumentException(
             "Internal error while trying to set username='" + username + "'");
diff --git a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/wizard/PullRequestListController.java b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/wizard/PullRequestListController.java
index b2998f5..941547d 100644
--- a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/wizard/PullRequestListController.java
+++ b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/wizard/PullRequestListController.java
@@ -19,7 +19,6 @@
 import com.google.common.collect.Maps;
 import com.google.gerrit.index.query.QueryParseException;
 import com.google.gerrit.reviewdb.client.Project.NameKey;
-import com.google.gerrit.reviewdb.server.ReviewDb;
 import com.google.gerrit.server.IdentifiedUser;
 import com.google.gerrit.server.git.GitRepositoryManager;
 import com.google.gerrit.server.project.ProjectCache;
@@ -28,7 +27,6 @@
 import com.google.gson.JsonArray;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonPrimitive;
-import com.google.gwtorm.server.OrmException;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
 import com.google.inject.Singleton;
@@ -61,7 +59,6 @@
   private final GitHubConfig config;
   private final ProjectCache projectsCache;
   private final GitRepositoryManager repoMgr;
-  private final Provider<ReviewDb> schema;
   private final Provider<ChangeQueryProcessor> qp;
   private final ChangeQueryBuilder changeQuery;
 
@@ -69,13 +66,11 @@
   public PullRequestListController(
       ProjectCache projectsCache,
       GitRepositoryManager repoMgr,
-      Provider<ReviewDb> schema,
       GitHubConfig config,
       Provider<ChangeQueryProcessor> qp,
       ChangeQueryBuilder changeQuery) {
     this.projectsCache = projectsCache;
     this.repoMgr = repoMgr;
-    this.schema = schema;
     this.config = config;
     this.qp = qp;
     this.changeQuery = changeQuery;
@@ -135,25 +130,22 @@
       GitHubLogin login, Iterable<NameKey> repos) throws IOException {
     int numPullRequests = 0;
     Map<String, List<GHPullRequest>> allPullRequests = Maps.newHashMap();
-    try (ReviewDb db = schema.get()) {
-      for (NameKey gerritRepoName : repos) {
-        try (Repository gitRepo = repoMgr.openRepository(gerritRepoName)) {
-          String ghRepoName = gerritRepoName.get().split("/")[1];
-          Optional<GHRepository> githubRepo = getGHRepository(login, gerritRepoName);
-          if (githubRepo.isPresent()) {
-            numPullRequests =
-                collectPullRequestsFromGitHubRepository(
-                    numPullRequests, db, allPullRequests, gitRepo, ghRepoName, githubRepo);
-          }
+    for (NameKey gerritRepoName : repos) {
+      try (Repository gitRepo = repoMgr.openRepository(gerritRepoName)) {
+        String ghRepoName = gerritRepoName.get().split("/")[1];
+        Optional<GHRepository> githubRepo = getGHRepository(login, gerritRepoName);
+        if (githubRepo.isPresent()) {
+          numPullRequests =
+              collectPullRequestsFromGitHubRepository(
+                  numPullRequests, allPullRequests, gitRepo, ghRepoName, githubRepo);
         }
       }
-      return allPullRequests;
     }
+    return allPullRequests;
   }
 
   private int collectPullRequestsFromGitHubRepository(
       int numPullRequests,
-      ReviewDb db,
       Map<String, List<GHPullRequest>> allPullRequests,
       Repository gitRepo,
       String ghRepoName,
@@ -165,7 +157,7 @@
     if (count < config.pullRequestListLimit) {
       for (GHPullRequest ghPullRequest : githubRepo.get().listPullRequests(GHIssueState.OPEN)) {
 
-        if (isAnyCommitOfPullRequestToBeImported(db, gitRepo, ghPullRequest)) {
+        if (isAnyCommitOfPullRequestToBeImported(gitRepo, ghPullRequest)) {
           repoPullRequests.add(ghPullRequest);
           count++;
         }
@@ -190,7 +182,7 @@
   }
 
   private boolean isAnyCommitOfPullRequestToBeImported(
-      ReviewDb db, Repository gitRepo, GHPullRequest ghPullRequest)
+      Repository gitRepo, GHPullRequest ghPullRequest)
       throws IncorrectObjectTypeException, IOException {
     boolean pullRequestToImport = false;
     try {
@@ -199,7 +191,7 @@
             qp.get().query(changeQuery.commit(pullRequestCommit.getSha())).entities().isEmpty();
       }
       return pullRequestToImport;
-    } catch (OrmException | QueryParseException e) {
+    } catch (QueryParseException e) {
       LOG.error("Unable to query Gerrit changes for pull-request " + ghPullRequest.getNumber(), e);
       return false;
     }
diff --git a/pom.xml b/pom.xml
index 37d9165..cc40c34 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.googlesource.gerrit.plugins.github</groupId>
   <artifactId>github-parent</artifactId>
-  <version>2.16.8</version>
+  <version>3.0.0</version>
   <name>Gerrit Code Review - GitHub integration</name>
   <url>http://www.gerritforge.com</url>
   <packaging>pom</packaging>