diff --git a/java/com/google/gerrit/plugins/codeowners/acceptance/AbstractCodeOwnersTest.java b/java/com/google/gerrit/plugins/codeowners/acceptance/AbstractCodeOwnersTest.java
index c85c506..b632510 100644
--- a/java/com/google/gerrit/plugins/codeowners/acceptance/AbstractCodeOwnersTest.java
+++ b/java/com/google/gerrit/plugins/codeowners/acceptance/AbstractCodeOwnersTest.java
@@ -36,8 +36,12 @@
 import com.google.gerrit.extensions.restapi.RestApiException;
 import com.google.gerrit.plugins.codeowners.acceptance.testsuite.CodeOwnerConfigOperations;
 import com.google.gerrit.plugins.codeowners.acceptance.testsuite.TestCodeOwnerConfigCreation.Builder;
+import com.google.gerrit.plugins.codeowners.backend.CodeOwnerBackend;
+import com.google.gerrit.plugins.codeowners.backend.config.BackendConfig;
 import com.google.gerrit.plugins.codeowners.backend.config.CodeOwnersPluginConfiguration;
 import com.google.gerrit.plugins.codeowners.backend.config.StatusConfig;
+import com.google.gerrit.plugins.codeowners.backend.findowners.FindOwnersBackend;
+import com.google.gerrit.plugins.codeowners.backend.proto.ProtoBackend;
 import com.google.gerrit.plugins.codeowners.util.JgitPath;
 import com.google.inject.Inject;
 import java.nio.file.Path;
@@ -67,11 +71,13 @@
   @Inject private ProjectOperations projectOperations;
 
   private CodeOwnerConfigOperations codeOwnerConfigOperations;
+  private BackendConfig backendConfig;
 
   @Before
   public void testSetup() throws Exception {
     codeOwnerConfigOperations =
         plugin.getSysInjector().getInstance(CodeOwnerConfigOperations.class);
+    backendConfig = plugin.getSysInjector().getInstance(BackendConfig.class);
   }
 
   protected String createChangeWithFileDeletion(Path filePath) throws Exception {
@@ -303,4 +309,14 @@
     PushOneCommit push = pushFactory.create(admin.newIdent(), testRepo, subject, files);
     return push.to("refs/for/master");
   }
+
+  protected String getCodeOwnerConfigFileName() {
+    CodeOwnerBackend backend = backendConfig.getDefaultBackend();
+    if (backend instanceof FindOwnersBackend) {
+      return FindOwnersBackend.CODE_OWNER_CONFIG_FILE_NAME;
+    } else if (backend instanceof ProtoBackend) {
+      return ProtoBackend.CODE_OWNER_CONFIG_FILE_NAME;
+    }
+    throw new IllegalStateException("unknown code owner backend: " + backend.getClass().getName());
+  }
 }
diff --git a/javatests/com/google/gerrit/plugins/codeowners/acceptance/api/CheckCodeOwnerConfigFilesIT.java b/javatests/com/google/gerrit/plugins/codeowners/acceptance/api/CheckCodeOwnerConfigFilesIT.java
index a2e37ef..75bf757 100644
--- a/javatests/com/google/gerrit/plugins/codeowners/acceptance/api/CheckCodeOwnerConfigFilesIT.java
+++ b/javatests/com/google/gerrit/plugins/codeowners/acceptance/api/CheckCodeOwnerConfigFilesIT.java
@@ -668,16 +668,6 @@
     return projectCodeOwnersApiFactory.project(projectName).checkCodeOwnerConfigFiles().check();
   }
 
-  private String getCodeOwnerConfigFileName() {
-    CodeOwnerBackend backend = backendConfig.getDefaultBackend();
-    if (backend instanceof FindOwnersBackend) {
-      return FindOwnersBackend.CODE_OWNER_CONFIG_FILE_NAME;
-    } else if (backend instanceof ProtoBackend) {
-      return ProtoBackend.CODE_OWNER_CONFIG_FILE_NAME;
-    }
-    throw new IllegalStateException("unknown code owner backend: " + backend.getClass().getName());
-  }
-
   private String getParsingErrorMessage(
       ImmutableMap<Class<? extends CodeOwnerBackend>, String> messagesByBackend) {
     CodeOwnerBackend codeOwnerBackend = backendConfig.getDefaultBackend();
diff --git a/javatests/com/google/gerrit/plugins/codeowners/acceptance/api/CheckCodeOwnerIT.java b/javatests/com/google/gerrit/plugins/codeowners/acceptance/api/CheckCodeOwnerIT.java
index 3be9ea8..238dc9f 100644
--- a/javatests/com/google/gerrit/plugins/codeowners/acceptance/api/CheckCodeOwnerIT.java
+++ b/javatests/com/google/gerrit/plugins/codeowners/acceptance/api/CheckCodeOwnerIT.java
@@ -39,15 +39,11 @@
 import com.google.gerrit.plugins.codeowners.acceptance.testsuite.TestCodeOwnerConfigCreation;
 import com.google.gerrit.plugins.codeowners.acceptance.testsuite.TestPathExpressions;
 import com.google.gerrit.plugins.codeowners.api.CodeOwnerCheckInfo;
-import com.google.gerrit.plugins.codeowners.backend.CodeOwnerBackend;
 import com.google.gerrit.plugins.codeowners.backend.CodeOwnerConfig;
 import com.google.gerrit.plugins.codeowners.backend.CodeOwnerConfigImportMode;
 import com.google.gerrit.plugins.codeowners.backend.CodeOwnerConfigReference;
 import com.google.gerrit.plugins.codeowners.backend.CodeOwnerResolver;
 import com.google.gerrit.plugins.codeowners.backend.CodeOwnerSet;
-import com.google.gerrit.plugins.codeowners.backend.config.BackendConfig;
-import com.google.gerrit.plugins.codeowners.backend.findowners.FindOwnersBackend;
-import com.google.gerrit.plugins.codeowners.backend.proto.ProtoBackend;
 import com.google.gerrit.plugins.codeowners.restapi.CheckCodeOwnerCapability;
 import com.google.gerrit.plugins.codeowners.util.JgitPath;
 import com.google.gerrit.server.ServerInitiated;
@@ -75,12 +71,10 @@
   @Inject @ServerInitiated private Provider<AccountsUpdate> accountsUpdate;
   @Inject private ExternalIdNotes.Factory externalIdNotesFactory;
 
-  private BackendConfig backendConfig;
   private TestPathExpressions testPathExpressions;
 
   @Before
   public void setUpCodeOwnersPlugin() throws Exception {
-    backendConfig = plugin.getSysInjector().getInstance(BackendConfig.class);
     testPathExpressions = plugin.getSysInjector().getInstance(TestPathExpressions.class);
   }
 
@@ -1339,16 +1333,6 @@
         .create();
   }
 
-  private String getCodeOwnerConfigFileName() {
-    CodeOwnerBackend backend = backendConfig.getDefaultBackend();
-    if (backend instanceof FindOwnersBackend) {
-      return FindOwnersBackend.CODE_OWNER_CONFIG_FILE_NAME;
-    } else if (backend instanceof ProtoBackend) {
-      return ProtoBackend.CODE_OWNER_CONFIG_FILE_NAME;
-    }
-    throw new IllegalStateException("unknown code owner backend: " + backend.getClass().getName());
-  }
-
   private void addEmail(Account.Id accountId, String email) throws Exception {
     accountsUpdate
         .get()
diff --git a/javatests/com/google/gerrit/plugins/codeowners/acceptance/api/CodeOwnerConfigValidatorIT.java b/javatests/com/google/gerrit/plugins/codeowners/acceptance/api/CodeOwnerConfigValidatorIT.java
index 555bfcc..6907c43 100644
--- a/javatests/com/google/gerrit/plugins/codeowners/acceptance/api/CodeOwnerConfigValidatorIT.java
+++ b/javatests/com/google/gerrit/plugins/codeowners/acceptance/api/CodeOwnerConfigValidatorIT.java
@@ -2476,16 +2476,6 @@
     return ObjectIds.abbreviateName(id, testRepo.getRevWalk().getObjectReader());
   }
 
-  private String getCodeOwnerConfigFileName() {
-    CodeOwnerBackend backend = backendConfig.getDefaultBackend();
-    if (backend instanceof FindOwnersBackend) {
-      return FindOwnersBackend.CODE_OWNER_CONFIG_FILE_NAME;
-    } else if (backend instanceof ProtoBackend) {
-      return ProtoBackend.CODE_OWNER_CONFIG_FILE_NAME;
-    }
-    throw new IllegalStateException("unknown code owner backend: " + backend.getClass().getName());
-  }
-
   private static void assertOkWithoutMessages(PushOneCommit.Result pushResult) {
     pushResult.assertOkStatus();
     pushResult.assertNotMessage("fatal");
diff --git a/javatests/com/google/gerrit/plugins/codeowners/acceptance/api/GetCodeOwnerConfigFilesIT.java b/javatests/com/google/gerrit/plugins/codeowners/acceptance/api/GetCodeOwnerConfigFilesIT.java
index da9c694..f958012 100644
--- a/javatests/com/google/gerrit/plugins/codeowners/acceptance/api/GetCodeOwnerConfigFilesIT.java
+++ b/javatests/com/google/gerrit/plugins/codeowners/acceptance/api/GetCodeOwnerConfigFilesIT.java
@@ -21,14 +21,9 @@
 import com.google.gerrit.entities.RefNames;
 import com.google.gerrit.extensions.restapi.BadRequestException;
 import com.google.gerrit.plugins.codeowners.acceptance.AbstractCodeOwnersIT;
-import com.google.gerrit.plugins.codeowners.backend.CodeOwnerBackend;
 import com.google.gerrit.plugins.codeowners.backend.CodeOwnerConfig;
 import com.google.gerrit.plugins.codeowners.backend.CodeOwnerSet;
-import com.google.gerrit.plugins.codeowners.backend.config.BackendConfig;
-import com.google.gerrit.plugins.codeowners.backend.findowners.FindOwnersBackend;
-import com.google.gerrit.plugins.codeowners.backend.proto.ProtoBackend;
 import com.google.gerrit.plugins.codeowners.util.JgitPath;
-import org.junit.Before;
 import org.junit.Test;
 
 /**
@@ -36,13 +31,6 @@
  * com.google.gerrit.plugins.codeowners.restapi.GetCodeOwnerConfigFiles} REST endpoint.
  */
 public class GetCodeOwnerConfigFilesIT extends AbstractCodeOwnersIT {
-  private BackendConfig backendConfig;
-
-  @Before
-  public void setUpCodeOwnersPlugin() throws Exception {
-    backendConfig = plugin.getSysInjector().getInstance(BackendConfig.class);
-  }
-
   @Test
   public void noCodeOwnerConfigFiles() throws Exception {
     assertThat(
@@ -434,14 +422,4 @@
             codeOwnerConfigOperations.codeOwnerConfig(codeOwnerConfigKey3).getFilePath())
         .inOrder();
   }
-
-  private String getCodeOwnerConfigFileName() {
-    CodeOwnerBackend backend = backendConfig.getDefaultBackend();
-    if (backend instanceof FindOwnersBackend) {
-      return FindOwnersBackend.CODE_OWNER_CONFIG_FILE_NAME;
-    } else if (backend instanceof ProtoBackend) {
-      return ProtoBackend.CODE_OWNER_CONFIG_FILE_NAME;
-    }
-    throw new IllegalStateException("unknown code owner backend: " + backend.getClass().getName());
-  }
 }