diff --git a/BUILD b/BUILD
index 6f5f9dc..52f43b1 100644
--- a/BUILD
+++ b/BUILD
@@ -1,5 +1,4 @@
 load("@rules_java//java:defs.bzl", "java_library")
-load("@npm//@bazel/rollup:index.bzl", "rollup_bundle")
 load("//tools/bzl:junit.bzl", "junit_tests")
 load("//tools/js:eslint.bzl", "eslint")
 load(
@@ -8,8 +7,7 @@
     "PLUGIN_TEST_DEPS",
     "gerrit_plugin",
 )
-load("//tools/bzl:genrule2.bzl", "genrule2")
-load("//tools/bzl:js.bzl", "polygerrit_plugin")
+load("//tools/bzl:js.bzl", "gerrit_js_bundle")
 
 gerrit_plugin(
     name = "reviewers",
@@ -18,37 +16,14 @@
         "Gerrit-PluginName: reviewers",
         "Gerrit-Module: com.googlesource.gerrit.plugins.reviewers.Module",
     ],
-    resource_jars = [":rv-reviewers-static"],
+    resource_jars = [":rv-reviewers"],
     resources = glob(["src/main/resources/**/*"]),
 )
 
-genrule2(
-    name = "rv-reviewers-static",
-    srcs = [":rv-reviewers"],
-    outs = ["rv-reviewers-static.jar"],
-    cmd = " && ".join([
-        "mkdir $$TMP/static",
-        "cp -r $(locations :rv-reviewers) $$TMP/static",
-        "cd $$TMP",
-        "zip -Drq $$ROOT/$@ -g .",
-    ]),
-)
-
-polygerrit_plugin(
+gerrit_js_bundle(
     name = "rv-reviewers",
-    app = "reviewers-bundle.js",
-)
-
-rollup_bundle(
-    name = "reviewers-bundle",
     srcs = glob(["rv-reviewers/*.js"]),
     entry_point = "rv-reviewers/plugin.js",
-    format = "iife",
-    rollup_bin = "//tools/node_tools:rollup-bin",
-    sourcemap = "hidden",
-    deps = [
-        "@tools_npm//rollup-plugin-node-resolve",
-    ],
 )
 
 junit_tests(
diff --git a/src/main/java/com/googlesource/gerrit/plugins/reviewers/Module.java b/src/main/java/com/googlesource/gerrit/plugins/reviewers/Module.java
index 8de2cc4..80b9365 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/reviewers/Module.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/reviewers/Module.java
@@ -60,7 +60,7 @@
             protected void configure() {
               bind(ReviewerSuggestion.class)
                   .annotatedWith(Exports.named("reviewer-suggest"))
-                  .to(Reviewers.class);
+                  .to(ReviewerSuggest.class);
             }
           });
     } else {
diff --git a/src/main/java/com/googlesource/gerrit/plugins/reviewers/ReviewerSuggest.java b/src/main/java/com/googlesource/gerrit/plugins/reviewers/ReviewerSuggest.java
new file mode 100644
index 0000000..3751548
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/reviewers/ReviewerSuggest.java
@@ -0,0 +1,81 @@
+// Copyright (C) 2020 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.reviewers;
+
+import static java.util.stream.Collectors.toSet;
+
+import com.google.common.collect.ImmutableSet;
+import com.google.common.flogger.FluentLogger;
+import com.google.gerrit.entities.Account;
+import com.google.gerrit.entities.Change.Id;
+import com.google.gerrit.entities.Project.NameKey;
+import com.google.gerrit.exceptions.StorageException;
+import com.google.gerrit.index.query.QueryParseException;
+import com.google.gerrit.server.change.ReviewerSuggestion;
+import com.google.gerrit.server.change.SuggestedReviewer;
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+import com.googlesource.gerrit.plugins.reviewers.config.ReviewersConfig;
+import java.util.List;
+import java.util.Set;
+
+@Singleton
+public class ReviewerSuggest implements ReviewerSuggestion {
+  private static final FluentLogger logger = FluentLogger.forEnclosingClass();
+
+  private final ReviewersConfig config;
+  private final ReviewersFilterUtil util;
+  private final ReviewersResolver resolver;
+
+  @Inject
+  public ReviewerSuggest(
+      ReviewersConfig config, ReviewersFilterUtil filterUtil, ReviewersResolver resolver) {
+    this.config = config;
+    this.util = filterUtil;
+    this.resolver = resolver;
+  }
+
+  @Override
+  public Set<SuggestedReviewer> suggestReviewers(
+      NameKey project,
+      Id changeId,
+      String query,
+      Set<com.google.gerrit.entities.Account.Id> candidates) {
+    List<ReviewerFilter> sections = config.filtersWithInheritance(project);
+
+    if (sections.isEmpty() || changeId == null) {
+      return ImmutableSet.of();
+    }
+
+    try {
+      Set<String> reviewers = util.findReviewers(changeId.get(), sections);
+      if (!reviewers.isEmpty()) {
+        return resolver.resolve(reviewers, project, changeId.get(), null).stream()
+            .map(a -> suggestedReviewer(a))
+            .collect(toSet());
+      }
+    } catch (StorageException | QueryParseException x) {
+      logger.atSevere().withCause(x).log(x.getMessage());
+    }
+    return ImmutableSet.of();
+  }
+
+  private SuggestedReviewer suggestedReviewer(Account.Id account) {
+    SuggestedReviewer reviewer = new SuggestedReviewer();
+    reviewer.account = account;
+    reviewer.score = 1;
+    return reviewer;
+  }
+}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/reviewers/Reviewers.java b/src/main/java/com/googlesource/gerrit/plugins/reviewers/Reviewers.java
index 348e856..a3b96ab 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/reviewers/Reviewers.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/reviewers/Reviewers.java
@@ -14,17 +14,7 @@
 
 package com.googlesource.gerrit.plugins.reviewers;
 
-import static java.util.stream.Collectors.toSet;
-
-import com.google.common.base.Preconditions;
-import com.google.common.base.Strings;
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableSet;
-import com.google.common.collect.Sets;
 import com.google.common.flogger.FluentLogger;
-import com.google.gerrit.common.Nullable;
-import com.google.gerrit.entities.Account;
-import com.google.gerrit.entities.Change;
 import com.google.gerrit.entities.Project;
 import com.google.gerrit.exceptions.StorageException;
 import com.google.gerrit.extensions.common.AccountInfo;
@@ -34,13 +24,7 @@
 import com.google.gerrit.extensions.events.RevisionCreatedListener;
 import com.google.gerrit.extensions.events.WorkInProgressStateChangedListener;
 import com.google.gerrit.index.query.QueryParseException;
-import com.google.gerrit.server.CurrentUser;
-import com.google.gerrit.server.change.ReviewerSuggestion;
-import com.google.gerrit.server.change.SuggestedReviewer;
-import com.google.gerrit.server.query.change.ChangeQueryBuilder;
-import com.google.gerrit.server.query.change.InternalChangeQuery;
 import com.google.inject.Inject;
-import com.google.inject.Provider;
 import com.google.inject.Singleton;
 import com.googlesource.gerrit.plugins.reviewers.config.ReviewersConfig;
 import java.util.List;
@@ -51,17 +35,14 @@
 class Reviewers
     implements RevisionCreatedListener,
         PrivateStateChangedListener,
-        WorkInProgressStateChangedListener,
-        ReviewerSuggestion {
+        WorkInProgressStateChangedListener {
   private static final FluentLogger logger = FluentLogger.forEnclosingClass();
 
   private final ReviewersResolver resolver;
   private final AddReviewers.Factory addReviewersFactory;
   private final ReviewerWorkQueue workQueue;
   private final ReviewersConfig config;
-  private final Provider<CurrentUser> user;
-  private final ChangeQueryBuilder queryBuilder;
-  private final Provider<InternalChangeQuery> queryProvider;
+  private final ReviewersFilterUtil filterUtil;
 
   @Inject
   Reviewers(
@@ -69,16 +50,12 @@
       AddReviewers.Factory addReviewersFactory,
       ReviewerWorkQueue workQueue,
       ReviewersConfig config,
-      Provider<CurrentUser> user,
-      ChangeQueryBuilder queryBuilder,
-      Provider<InternalChangeQuery> queryProvider) {
+      ReviewersFilterUtil util) {
     this.resolver = resolver;
     this.addReviewersFactory = addReviewersFactory;
     this.workQueue = workQueue;
     this.config = config;
-    this.user = user;
-    this.queryBuilder = queryBuilder;
-    this.queryProvider = queryProvider;
+    this.filterUtil = util;
   }
 
   @Override
@@ -96,38 +73,6 @@
     onEvent(event);
   }
 
-  @Override
-  public Set<SuggestedReviewer> suggestReviewers(
-      Project.NameKey projectName,
-      @Nullable Change.Id changeId,
-      @Nullable String query,
-      Set<Account.Id> candidates) {
-    List<ReviewerFilter> filters = getFilters(projectName);
-
-    if (filters.isEmpty() || changeId == null) {
-      return ImmutableSet.of();
-    }
-
-    try {
-      Set<String> reviewers = findReviewers(changeId.get(), filters);
-      if (!reviewers.isEmpty()) {
-        return resolver.resolve(reviewers, projectName, changeId.get(), null).stream()
-            .map(a -> suggestedReviewer(a))
-            .collect(toSet());
-      }
-    } catch (StorageException | QueryParseException x) {
-      logger.atSevere().withCause(x).log(x.getMessage());
-    }
-    return ImmutableSet.of();
-  }
-
-  private SuggestedReviewer suggestedReviewer(Account.Id account) {
-    SuggestedReviewer reviewer = new SuggestedReviewer();
-    reviewer.account = account;
-    reviewer.score = 1;
-    return reviewer;
-  }
-
   private List<ReviewerFilter> getFilters(Project.NameKey projectName) {
     // TODO(davido): we have to cache per project configuration
     return config.filtersWithInheritance(projectName);
@@ -153,9 +98,8 @@
     AccountInfo uploader = event.getWho();
     int changeNumber = c._number;
     try {
-      List<ReviewerFilter> matching = findMatchingFilters(changeNumber, filters);
-      Set<String> reviewers = getReviewersFrom(matching);
-      Set<String> ccs = getCcsFrom(matching);
+      Set<String> reviewers = filterUtil.findReviewers(changeNumber, filters);
+      Set<String> ccs = filterUtil.findCcs(changeNumber, filters);
       if (reviewers.isEmpty() && ccs.isEmpty()) {
         return;
       }
@@ -176,48 +120,4 @@
       logger.atSevere().withCause(x).log(x.getMessage());
     }
   }
-
-  private Set<String> findReviewers(int change, List<ReviewerFilter> filters)
-      throws StorageException, QueryParseException {
-    return getReviewersFrom(findMatchingFilters(change, filters));
-  }
-
-  private Set<String> getReviewersFrom(List<ReviewerFilter> filters) throws StorageException {
-    ImmutableSet.Builder<String> reviewers = ImmutableSet.builder();
-    for (ReviewerFilter f : filters) {
-      reviewers.addAll(f.getReviewers());
-    }
-    return reviewers.build();
-  }
-
-  private Set<String> getCcsFrom(List<ReviewerFilter> filters) throws StorageException {
-    Set<String> ccs = Sets.newHashSet();
-    for (ReviewerFilter f : filters) {
-      ccs.addAll(f.getCcs());
-    }
-    return ccs;
-  }
-
-  private List<ReviewerFilter> findMatchingFilters(int change, List<ReviewerFilter> filters)
-      throws StorageException, QueryParseException {
-    ImmutableList.Builder<ReviewerFilter> found = ImmutableList.builder();
-    for (ReviewerFilter s : filters) {
-      if (Strings.isNullOrEmpty(s.getFilter()) || s.getFilter().equals("*")) {
-        found.add(s);
-      } else if (filterMatch(change, s.getFilter())) {
-        found.add(s);
-      }
-    }
-    return found.build();
-  }
-
-  boolean filterMatch(int change, String filter) throws StorageException, QueryParseException {
-    Preconditions.checkNotNull(filter);
-    ChangeQueryBuilder qb = queryBuilder.asUser(user.get());
-    return !queryProvider
-        .get()
-        .noFields()
-        .query(qb.parse(String.format("change:%s %s", change, filter)))
-        .isEmpty();
-  }
 }
diff --git a/src/main/java/com/googlesource/gerrit/plugins/reviewers/ReviewersFilterUtil.java b/src/main/java/com/googlesource/gerrit/plugins/reviewers/ReviewersFilterUtil.java
new file mode 100644
index 0000000..5f0574c
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/reviewers/ReviewersFilterUtil.java
@@ -0,0 +1,88 @@
+// Copyright (C) 2020 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.reviewers;
+
+import com.google.common.base.Preconditions;
+import com.google.common.base.Strings;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Sets;
+import com.google.gerrit.exceptions.StorageException;
+import com.google.gerrit.index.query.QueryParseException;
+import com.google.gerrit.server.CurrentUser;
+import com.google.gerrit.server.query.change.ChangeQueryBuilder;
+import com.google.gerrit.server.query.change.InternalChangeQuery;
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+import java.util.List;
+import java.util.Set;
+
+public class ReviewersFilterUtil {
+  private final ChangeQueryBuilder queryBuilder;
+  private final Provider<InternalChangeQuery> queryProvider;
+  private final Provider<CurrentUser> user;
+
+  @Inject
+  public ReviewersFilterUtil(
+      ChangeQueryBuilder queryBuilder,
+      Provider<InternalChangeQuery> queryProvider,
+      Provider<CurrentUser> user) {
+    this.queryBuilder = queryBuilder;
+    this.queryProvider = queryProvider;
+    this.user = user;
+  }
+
+  public Set<String> findReviewers(int change, List<ReviewerFilter> filters)
+      throws StorageException, QueryParseException {
+    Set<String> reviewers = Sets.newHashSet();
+    List<ReviewerFilter> found = findReviewerFilters(change, filters);
+    for (ReviewerFilter s : found) {
+      reviewers.addAll(s.getReviewers());
+    }
+    return reviewers;
+  }
+
+  public Set<String> findCcs(int change, List<ReviewerFilter> filters)
+      throws StorageException, QueryParseException {
+    Set<String> ccs = Sets.newHashSet();
+    List<ReviewerFilter> found = findReviewerFilters(change, filters);
+    for (ReviewerFilter s : found) {
+      ccs.addAll(s.getCcs());
+    }
+    return ccs;
+  }
+
+  private List<ReviewerFilter> findReviewerFilters(int change, List<ReviewerFilter> sections)
+      throws StorageException, QueryParseException {
+    ImmutableList.Builder<ReviewerFilter> found = ImmutableList.builder();
+    for (ReviewerFilter s : sections) {
+      if (Strings.isNullOrEmpty(s.getFilter()) || s.getFilter().equals("*")) {
+        found.add(s);
+      } else if (filterMatch(change, s.getFilter())) {
+        found.add(s);
+      }
+    }
+    return found.build();
+  }
+
+  boolean filterMatch(int change, String filter) throws StorageException, QueryParseException {
+    Preconditions.checkNotNull(filter);
+    ChangeQueryBuilder qb = queryBuilder.asUser(user.get());
+    return !queryProvider
+        .get()
+        .noFields()
+        .query(qb.parse(String.format("change:%s %s", change, filter)))
+        .isEmpty();
+  }
+}