diff --git a/gerrit-extension-api/src/main/java/com/google/gerrit/extensions/restapi/RestApiModule.java b/gerrit-extension-api/src/main/java/com/google/gerrit/extensions/restapi/RestApiModule.java
index 7708a5cf89..3567300d31 100644
--- a/gerrit-extension-api/src/main/java/com/google/gerrit/extensions/restapi/RestApiModule.java
+++ b/gerrit-extension-api/src/main/java/com/google/gerrit/extensions/restapi/RestApiModule.java
@@ -16,14 +16,14 @@ package com.google.gerrit.extensions.restapi;
 
 import com.google.gerrit.extensions.annotations.Export;
 import com.google.gerrit.extensions.annotations.Exports;
-import com.google.inject.AbstractModule;
+import com.google.gerrit.extensions.config.FactoryModule;
 import com.google.inject.Provider;
 import com.google.inject.TypeLiteral;
 import com.google.inject.binder.LinkedBindingBuilder;
 import com.google.inject.binder.ScopedBindingBuilder;
 
 /** Guice DSL for binding {@link RestView} implementations. */
-public abstract class RestApiModule extends AbstractModule {
+public abstract class RestApiModule extends FactoryModule {
   protected static final String GET = "GET";
   protected static final String PUT = "PUT";
   protected static final String DELETE = "DELETE";
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/account/Module.java b/gerrit-server/src/main/java/com/google/gerrit/server/account/Module.java
index 137a8fe58f..fe1035590e 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/account/Module.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/account/Module.java
@@ -23,7 +23,6 @@ import static com.google.gerrit.server.account.AccountResource.STARRED_CHANGE_KI
 
 import com.google.gerrit.extensions.registration.DynamicMap;
 import com.google.gerrit.extensions.restapi.RestApiModule;
-import com.google.inject.assistedinject.FactoryModuleBuilder;
 
 public class Module extends RestApiModule {
   @Override
@@ -85,7 +84,7 @@ public class Module extends RestApiModule {
     delete(STARRED_CHANGE_KIND).to(StarredChanges.Delete.class);
     bind(StarredChanges.Create.class);
 
-    install(new FactoryModuleBuilder().build(CreateAccount.Factory.class));
-    install(new FactoryModuleBuilder().build(CreateEmail.Factory.class));
+    factory(CreateAccount.Factory.class);
+    factory(CreateEmail.Factory.class);
   }
 }
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/change/Module.java b/gerrit-server/src/main/java/com/google/gerrit/server/change/Module.java
index 7714088f0a..ed2b8353a7 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/change/Module.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/change/Module.java
@@ -22,7 +22,6 @@ import static com.google.gerrit.server.change.FileResource.FILE_KIND;
 import static com.google.gerrit.server.change.ReviewerResource.REVIEWER_KIND;
 import static com.google.gerrit.server.change.RevisionResource.REVISION_KIND;
 
-import com.google.gerrit.extensions.config.FactoryModule;
 import com.google.gerrit.extensions.registration.DynamicMap;
 import com.google.gerrit.extensions.restapi.RestApiModule;
 import com.google.gerrit.server.account.AccountLoader;
@@ -119,17 +118,12 @@ public class Module extends RestApiModule {
     get(CHANGE_EDIT_KIND, "/").to(ChangeEdits.Get.class);
     get(CHANGE_EDIT_KIND, "meta").to(ChangeEdits.GetMeta.class);
 
-    install(new FactoryModule() {
-      @Override
-      protected void configure() {
-        factory(ReviewerResource.Factory.class);
-        factory(AccountLoader.Factory.class);
-        factory(EmailReviewComments.Factory.class);
-        factory(ChangeInserter.Factory.class);
-        factory(PatchSetInserter.Factory.class);
-        factory(ChangeEdits.Create.Factory.class);
-        factory(ChangeEdits.DeleteFile.Factory.class);
-      }
-    });
+    factory(ReviewerResource.Factory.class);
+    factory(AccountLoader.Factory.class);
+    factory(EmailReviewComments.Factory.class);
+    factory(ChangeInserter.Factory.class);
+    factory(PatchSetInserter.Factory.class);
+    factory(ChangeEdits.Create.Factory.class);
+    factory(ChangeEdits.DeleteFile.Factory.class);
   }
 }
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/group/Module.java b/gerrit-server/src/main/java/com/google/gerrit/server/group/Module.java
index 041e2fa1e7..58b3ffbb7d 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/group/Module.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/group/Module.java
@@ -26,7 +26,6 @@ import com.google.gerrit.server.group.AddIncludedGroups.UpdateIncludedGroup;
 import com.google.gerrit.server.group.AddMembers.UpdateMember;
 import com.google.gerrit.server.group.DeleteIncludedGroups.DeleteIncludedGroup;
 import com.google.gerrit.server.group.DeleteMembers.DeleteMember;
-import com.google.inject.assistedinject.FactoryModuleBuilder;
 
 public class Module extends RestApiModule {
   @Override
@@ -67,7 +66,7 @@ public class Module extends RestApiModule {
     put(INCLUDED_GROUP_KIND).to(UpdateIncludedGroup.class);
     delete(INCLUDED_GROUP_KIND).to(DeleteIncludedGroup.class);
 
-    install(new FactoryModuleBuilder().build(CreateGroup.Factory.class));
+    factory(CreateGroup.Factory.class);
 
     DynamicSet.bind(binder(), GroupMemberAuditListener.class).to(
         DbGroupMemberAuditListener.class);
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/project/Module.java b/gerrit-server/src/main/java/com/google/gerrit/server/project/Module.java
index 430d8f5a4d..3ad6f8faa6 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/project/Module.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/project/Module.java
@@ -24,7 +24,6 @@ import static com.google.gerrit.server.project.TagResource.TAG_KIND;
 
 import com.google.gerrit.extensions.registration.DynamicMap;
 import com.google.gerrit.extensions.restapi.RestApiModule;
-import com.google.inject.assistedinject.FactoryModuleBuilder;
 
 public class Module extends RestApiModule {
   @Override
@@ -65,7 +64,7 @@ public class Module extends RestApiModule {
     get(BRANCH_KIND).to(GetBranch.class);
     delete(BRANCH_KIND).to(DeleteBranch.class);
     post(PROJECT_KIND, "branches:delete").to(DeleteBranches.class);
-    install(new FactoryModuleBuilder().build(CreateBranch.Factory.class));
+    factory(CreateBranch.Factory.class);
     get(BRANCH_KIND, "reflog").to(GetReflog.class);
     child(BRANCH_KIND, "files").to(FilesCollection.class);
     get(FILE_KIND, "content").to(GetContent.class);
@@ -81,7 +80,7 @@ public class Module extends RestApiModule {
     get(DASHBOARD_KIND).to(GetDashboard.class);
     put(DASHBOARD_KIND).to(SetDashboard.class);
     delete(DASHBOARD_KIND).to(DeleteDashboard.class);
-    install(new FactoryModuleBuilder().build(CreateProject.Factory.class));
+    factory(CreateProject.Factory.class);
 
     get(PROJECT_KIND, "config").to(GetConfig.class);
     put(PROJECT_KIND, "config").to(PutConfig.class);