diff --git a/.github/ci-files/run-sanity-check.sh b/.github/ci-files/run-sanity-check.sh
new file mode 100644
index 000000000000..32356f804fb4
--- /dev/null
+++ b/.github/ci-files/run-sanity-check.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+set +e
+
+./gradlew rewriteDryRun -Dorg.gradle.jvmargs=-Xmx8G \
+  --configure-on-demand \
+  --console plain \
+  --max-workers=1 \
+  -Pqa --profile
+
+gradle_return_code=$?
+
+set -e
+
+exit $gradle_return_code
diff --git a/build.gradle b/build.gradle
index c6b738eb4c09..79bc4cf4e597 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,16 +3,16 @@ import org.sonar.build.BlackBoxTest
 
 import static org.gradle.api.JavaVersion.VERSION_17
 
-plugins {
-  // Ordered alphabetically
+plugins { // natural order
   id 'com.github.hierynomus.license' version '0.16.1'
-  id "com.github.hierynomus.license-report" version "0.16.1" apply false
-  id 'com.gradleup.shadow' version '8.3.6' apply false
+  id 'com.github.hierynomus.license-report' version '0.16.1' apply false
   id 'com.google.protobuf' version '0.8.19' apply false
+  id 'com.gradleup.shadow' version '8.3.6' apply false
   id 'com.jfrog.artifactory' version '6.0.2'
-  id "de.undercouch.download" version "5.6.0" apply false
+  id 'de.undercouch.download' version '5.6.0' apply false
   id 'io.spring.dependency-management' version '1.1.7'
-  id "org.cyclonedx.bom" version "2.3.1" apply false
+  id 'org.cyclonedx.bom' version '2.3.1' apply false
+  id 'org.openrewrite.rewrite' version '7.19.0' apply false
   id 'org.sonarqube' version '7.0.0.6105'
 }
 
@@ -200,7 +200,10 @@ allprojects {
   }
 }
 
+apply from: 'gradle/rewrite.gradle'
+
 apply plugin: 'org.sonarqube'
+
 sonar {
   properties {
     property 'sonar.projectName', projectTitle
diff --git a/gradle/rewrite.gradle b/gradle/rewrite.gradle
new file mode 100644
index 000000000000..51d9f12b255d
--- /dev/null
+++ b/gradle/rewrite.gradle
@@ -0,0 +1,25 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ */
+
+apply plugin: 'org.openrewrite.rewrite'
+
+rewrite {
+  activeRecipe('org.opensearch.openrewrite.SanityCheck')
+  exclusion('**package-info.java')
+  setExportDatatables(true)
+  setFailOnDryRunResults(true)
+}
+
+dependencies {
+  rewrite(platform('org.openrewrite.recipe:rewrite-recipe-bom:3.17.0'))
+  rewrite('org.openrewrite.recipe:rewrite-migrate-java:3.20.0')
+  rewrite('org.openrewrite.recipe:rewrite-java-security:3.19.2')
+  rewrite('org.openrewrite.recipe:rewrite-rewrite:0.14.1')
+  rewrite('org.openrewrite.recipe:rewrite-static-analysis:2.20.0')
+  rewrite('org.openrewrite.recipe:rewrite-third-party:0.30.0')
+}
diff --git a/rewrite.yml b/rewrite.yml
new file mode 100644
index 000000000000..65da96fcf6a5
--- /dev/null
+++ b/rewrite.yml
@@ -0,0 +1,16 @@
+---
+type: specs.openrewrite.org/v1beta/recipe
+name: org.opensearch.openrewrite.SanityCheck
+displayName: Apply all Java & Gradle best practices
+description: Comprehensive code quality recipe combining modernization, security, and best practices.
+tags:
+  - java
+  - gradle
+  - static-analysis
+  - cleanup
+recipeList:
+  - org.openrewrite.gradle.EnableGradleBuildCache
+  - org.openrewrite.gradle.EnableGradleParallelExecution
+  - org.openrewrite.java.RemoveUnusedImports
+  - org.openrewrite.staticanalysis.RemoveUnusedPrivateMethods
+---
diff --git a/server/sonar-auth-github/src/main/java/org/sonar/auth/github/GitHubRestClient.java b/server/sonar-auth-github/src/main/java/org/sonar/auth/github/GitHubRestClient.java
index 1642ca650970..918aa41d43aa 100644
--- a/server/sonar-auth-github/src/main/java/org/sonar/auth/github/GitHubRestClient.java
+++ b/server/sonar-auth-github/src/main/java/org/sonar/auth/github/GitHubRestClient.java
@@ -20,18 +20,12 @@
 package org.sonar.auth.github;
 
 import com.github.scribejava.core.model.OAuth2AccessToken;
-import com.github.scribejava.core.model.OAuthRequest;
-import com.github.scribejava.core.model.Response;
-import com.github.scribejava.core.model.Verb;
 import com.github.scribejava.core.oauth.OAuth20Service;
 import java.io.IOException;
-import java.net.HttpURLConnection;
 import java.util.List;
-import java.util.concurrent.ExecutionException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import static java.lang.String.format;
 import static org.sonar.auth.OAuthRestClient.executePaginatedRequest;
 import static org.sonar.auth.OAuthRestClient.executeRequest;
 
diff --git a/server/sonar-ce-common/src/it/java/org/sonar/ce/queue/CeQueueImplIT.java b/server/sonar-ce-common/src/it/java/org/sonar/ce/queue/CeQueueImplIT.java
index ac9e403a2d05..d5c7a18f279c 100644
--- a/server/sonar-ce-common/src/it/java/org/sonar/ce/queue/CeQueueImplIT.java
+++ b/server/sonar-ce-common/src/it/java/org/sonar/ce/queue/CeQueueImplIT.java
@@ -634,10 +634,6 @@ private CeTaskSubmit createTaskSubmit(String type, @Nullable Component component
       .build();
   }
 
-  private ComponentDto insertComponent(ComponentDto componentDto) {
-    return db.components().insertComponent(componentDto);
-  }
-
   private UserDto insertUser(UserDto userDto) {
     db.getDbClient().userDao().insert(session, userDto);
     session.commit();
diff --git a/server/sonar-ce-task-projectanalysis/src/it/java/org/sonar/ce/task/projectanalysis/step/LoadPeriodsStepIT.java b/server/sonar-ce-task-projectanalysis/src/it/java/org/sonar/ce/task/projectanalysis/step/LoadPeriodsStepIT.java
index a3ad472bf940..0734dcfa16e6 100644
--- a/server/sonar-ce-task-projectanalysis/src/it/java/org/sonar/ce/task/projectanalysis/step/LoadPeriodsStepIT.java
+++ b/server/sonar-ce-task-projectanalysis/src/it/java/org/sonar/ce/task/projectanalysis/step/LoadPeriodsStepIT.java
@@ -24,9 +24,7 @@
 import com.tngtech.java.junit.dataprovider.UseDataProvider;
 import java.time.ZoneId;
 import java.time.ZonedDateTime;
-import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.List;
 import java.util.Optional;
 import java.util.Random;
 import java.util.stream.Stream;
@@ -489,16 +487,6 @@ public static Object[][] anyValidLeakPeriodSettingValue() {
     };
   }
 
-  private List<SnapshotDto> createSnapshots(ComponentDto project) {
-    ArrayList<SnapshotDto> list = new ArrayList<>();
-    list.add(dbTester.components().insertSnapshot(project, snapshot -> snapshot.setCreatedAt(1226379600000L).setLast(false))); // 2008-11-11
-    list.add(dbTester.components().insertSnapshot(project, snapshot -> snapshot.setCreatedAt(1226494680000L).setLast(false))); // 2008-11-12
-    list.add(dbTester.components().insertSnapshot(project, snapshot -> snapshot.setCreatedAt(1227157200000L).setLast(false))); // 2008-11-20
-    list.add(dbTester.components().insertSnapshot(project, snapshot -> snapshot.setCreatedAt(1227358680000L).setLast(false))); // 2008-11-22
-    list.add(dbTester.components().insertSnapshot(project, snapshot -> snapshot.setCreatedAt(1227934800000L).setLast(true))); // 2008-11-29
-    return list;
-  }
-
   private long milisSinceEpoch(int year, int month, int day, int hour) {
     return ZonedDateTime.of(year, month, day, hour, 0, 0, 0, ZoneId.systemDefault())
       .toInstant().toEpochMilli();
diff --git a/server/sonar-ce-task-projectanalysis/src/it/java/org/sonar/ce/task/projectanalysis/step/ValidateProjectStepIT.java b/server/sonar-ce-task-projectanalysis/src/it/java/org/sonar/ce/task/projectanalysis/step/ValidateProjectStepIT.java
index 57c40297a7de..eab35d7e7192 100644
--- a/server/sonar-ce-task-projectanalysis/src/it/java/org/sonar/ce/task/projectanalysis/step/ValidateProjectStepIT.java
+++ b/server/sonar-ce-task-projectanalysis/src/it/java/org/sonar/ce/task/projectanalysis/step/ValidateProjectStepIT.java
@@ -20,7 +20,6 @@
 package org.sonar.ce.task.projectanalysis.step;
 
 import java.util.Date;
-import javax.annotation.Nullable;
 import org.junit.Rule;
 import org.junit.Test;
 import org.sonar.api.utils.DateUtils;
@@ -35,13 +34,10 @@
 import org.sonar.ce.task.step.TestComputationStepContext;
 import org.sonar.db.DbClient;
 import org.sonar.db.DbTester;
-import org.sonar.db.component.BranchType;
 import org.sonar.db.component.ComponentDto;
 import org.sonar.db.component.SnapshotTesting;
 
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
 import static org.sonar.db.component.BranchDto.DEFAULT_MAIN_BRANCH_NAME;
 
 public class ValidateProjectStepIT {
@@ -110,11 +106,4 @@ public void fail_when_project_key_is_invalid() {
         "Allowed characters are alphanumeric, '-', '_', '.' and ':', with at least one non-digit.",
         "You should update the project key with the expected format.");
   }
-
-  private void setBranch(BranchType type, @Nullable String mergeBranchUuid) {
-    Branch branch = mock(Branch.class);
-    when(branch.getType()).thenReturn(type);
-    when(branch.getReferenceBranchUuid()).thenReturn(mergeBranchUuid);
-    analysisMetadataHolder.setBranch(branch);
-  }
 }
diff --git a/server/sonar-ce-task-projectanalysis/src/it/java/org/sonar/ce/task/projectanalysis/step/ViewsPersistComponentsStepIT.java b/server/sonar-ce-task-projectanalysis/src/it/java/org/sonar/ce/task/projectanalysis/step/ViewsPersistComponentsStepIT.java
index 03e61118c8ee..cdd42ede842e 100644
--- a/server/sonar-ce-task-projectanalysis/src/it/java/org/sonar/ce/task/projectanalysis/step/ViewsPersistComponentsStepIT.java
+++ b/server/sonar-ce-task-projectanalysis/src/it/java/org/sonar/ce/task/projectanalysis/step/ViewsPersistComponentsStepIT.java
@@ -516,22 +516,6 @@ private void assertDtoIsView(ComponentDto dto) {
     assertThat(dto.getCreatedAt()).isEqualTo(now);
   }
 
-  /**
-   * Assertions to verify the DTO created from {@link #createViewBuilder(ViewAttributes.Type)} ()}
-   */
-  private void assertDtoIsApplication(ComponentDto dto) {
-    assertThat(dto.name()).isEqualTo(VIEW_NAME);
-    assertThat(dto.longName()).isEqualTo(VIEW_NAME);
-    assertThat(dto.description()).isEqualTo(VIEW_DESCRIPTION);
-    assertThat(dto.path()).isNull();
-    assertThat(dto.uuid()).isEqualTo(VIEW_UUID);
-    assertThat(dto.branchUuid()).isEqualTo(VIEW_UUID);
-    assertThat(dto.qualifier()).isEqualTo(ComponentQualifiers.APP);
-    assertThat(dto.scope()).isEqualTo(ComponentScopes.PROJECT);
-    assertThat(dto.getCopyComponentUuid()).isNull();
-    assertThat(dto.getCreatedAt()).isEqualTo(now);
-  }
-
   /**
    * Assertions to verify the DTO created from {@link #createProjectView1Builder(ComponentDto, Long)}
    */
diff --git a/server/sonar-ce-task-projectanalysis/src/main/java/org/sonar/ce/task/projectanalysis/measure/PostMeasuresComputationCheck.java b/server/sonar-ce-task-projectanalysis/src/main/java/org/sonar/ce/task/projectanalysis/measure/PostMeasuresComputationCheck.java
index 9863836e1d01..5359796cd10e 100644
--- a/server/sonar-ce-task-projectanalysis/src/main/java/org/sonar/ce/task/projectanalysis/measure/PostMeasuresComputationCheck.java
+++ b/server/sonar-ce-task-projectanalysis/src/main/java/org/sonar/ce/task/projectanalysis/measure/PostMeasuresComputationCheck.java
@@ -22,7 +22,6 @@
 import org.sonar.api.ExtensionPoint;
 import org.sonar.api.ce.ComputeEngineSide;
 import org.sonar.ce.common.scanner.ScannerReportReader;
-import org.sonar.ce.task.projectanalysis.analysis.AnalysisMetadataHolder;
 import org.sonar.ce.task.projectanalysis.analysis.Branch;
 import org.sonar.ce.task.projectanalysis.component.Component;
 
diff --git a/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/event/EventRepositoryImplTest.java b/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/event/EventRepositoryImplTest.java
index ea8932a6945e..8cd4c80de8cf 100644
--- a/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/event/EventRepositoryImplTest.java
+++ b/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/event/EventRepositoryImplTest.java
@@ -20,8 +20,6 @@
 package org.sonar.ce.task.projectanalysis.event;
 
 import org.junit.Test;
-import org.sonar.ce.task.projectanalysis.component.Component;
-import org.sonar.ce.task.projectanalysis.component.ReportComponent;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
@@ -50,8 +48,4 @@ public void can_add_and_retrieve_many_events() {
 
     assertThat(underTest.getEvents()).extracting("name").containsOnly(EVENT_1.getName(), EVENT_2.getName());
   }
-
-  private static Component newComponent(int i) {
-    return ReportComponent.builder(Component.Type.PROJECT, i).build();
-  }
 }
diff --git a/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/measure/PostMeasuresComputationChecksStepTest.java b/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/measure/PostMeasuresComputationChecksStepTest.java
index e5ea57b43335..5151831d8637 100644
--- a/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/measure/PostMeasuresComputationChecksStepTest.java
+++ b/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/measure/PostMeasuresComputationChecksStepTest.java
@@ -19,7 +19,6 @@
  */
 package org.sonar.ce.task.projectanalysis.measure;
 
-import java.util.UUID;
 import org.junit.Rule;
 import org.junit.Test;
 import org.mockito.ArgumentCaptor;
@@ -41,7 +40,6 @@
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
 import static org.sonar.api.measures.CoreMetrics.NCLOC;
 import static org.sonar.ce.task.projectanalysis.component.ReportComponent.DUMB_PROJECT;
 import static org.sonar.db.component.ComponentTesting.newPrivateProjectDto;
diff --git a/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/notification/NotificationFactoryTest.java b/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/notification/NotificationFactoryTest.java
index 0582837bcd1f..26c52073c926 100644
--- a/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/notification/NotificationFactoryTest.java
+++ b/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/notification/NotificationFactoryTest.java
@@ -38,7 +38,6 @@
 import org.junit.runner.RunWith;
 import org.mockito.ArgumentCaptor;
 import org.sonar.api.rule.RuleKey;
-import org.sonar.api.utils.Durations;
 import org.sonar.ce.task.projectanalysis.analysis.AnalysisMetadataHolderRule;
 import org.sonar.ce.task.projectanalysis.analysis.Branch;
 import org.sonar.ce.task.projectanalysis.component.ReportComponent;
@@ -740,21 +739,6 @@ private static Branch newNonMainBranch(BranchType branchType, String branchName)
     return nonMainBranch;
   }
 
-  private static Durations readDurationsField(NewIssuesNotification notification) {
-    return readField(notification, "durations");
-  }
-
-  private static Durations readField(NewIssuesNotification notification, String fieldName) {
-    try {
-      Field durationsField = NewIssuesNotification.class.getDeclaredField(fieldName);
-      durationsField.setAccessible(true);
-      Object o = durationsField.get(notification);
-      return (Durations) o;
-    } catch (IllegalAccessException | NoSuchFieldException e) {
-      throw new RuntimeException(e);
-    }
-  }
-
   private static DetailsSupplier readDetailsSupplier(NewIssuesNotification notification) {
     try {
       Field durationsField = NewIssuesNotification.class.getDeclaredField("detailsSupplier");
diff --git a/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/purge/PurgeDatastoresStepTest.java b/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/purge/PurgeDatastoresStepTest.java
index 50560bb1e8b4..81e728ee8a7a 100644
--- a/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/purge/PurgeDatastoresStepTest.java
+++ b/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/purge/PurgeDatastoresStepTest.java
@@ -20,9 +20,7 @@
 package org.sonar.ce.task.projectanalysis.purge;
 
 import com.tngtech.java.junit.dataprovider.DataProviderRunner;
-import java.util.Arrays;
 import java.util.Collections;
-import java.util.function.Predicate;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -38,7 +36,6 @@
 import org.sonar.ce.task.projectanalysis.component.TreeRootHolderRule;
 import org.sonar.ce.task.projectanalysis.component.ViewsComponent;
 import org.sonar.ce.task.projectanalysis.step.BaseStepTest;
-import org.sonar.ce.task.projectanalysis.util.WrapInSingleElementArray;
 import org.sonar.ce.task.step.ComputationStep;
 import org.sonar.ce.task.step.TestComputationStepContext;
 import org.sonar.db.DbClient;
@@ -100,13 +97,6 @@ private void verify_call_purge_method_of_the_purge_task(Component project) {
     assertThat(argumentCaptor.getValue()).isEqualTo(PROJECT_UUID);
   }
 
-  private static Object[][] dataproviderFromComponentTypeValues(Predicate<Component.Type> predicate) {
-    return Arrays.stream(Component.Type.values())
-      .filter(predicate)
-      .map(WrapInSingleElementArray.INSTANCE)
-      .toArray(Object[][]::new);
-  }
-
   @Override
   protected ComputationStep step() {
     return underTest;
diff --git a/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/step/IssueDetectionEventsStepTest.java b/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/step/IssueDetectionEventsStepTest.java
index 32ca49477be0..35c2c0e2b38a 100644
--- a/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/step/IssueDetectionEventsStepTest.java
+++ b/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/step/IssueDetectionEventsStepTest.java
@@ -211,13 +211,6 @@ private static QualityProfile qp(String qpName, String languageKey, Date date) {
     return new QualityProfile(qpName + "-" + languageKey, qpName, languageKey, date);
   }
 
-  /**
-   * Just a trick to use variable args which is shorter than writing new QualityProfile[] { }
-   */
-  private static QualityProfile[] arrayOf(QualityProfile... qps) {
-    return qps;
-  }
-
   private static Measure newMeasure(@Nullable QualityProfile... qps) {
     return Measure.newMeasureBuilder().create(toJson(qps));
   }
diff --git a/server/sonar-db-dao/src/it/java/org/sonar/db/ce/CeQueueDaoIT.java b/server/sonar-db-dao/src/it/java/org/sonar/db/ce/CeQueueDaoIT.java
index 26d2ce03fcfc..acdc63784035 100644
--- a/server/sonar-db-dao/src/it/java/org/sonar/db/ce/CeQueueDaoIT.java
+++ b/server/sonar-db-dao/src/it/java/org/sonar/db/ce/CeQueueDaoIT.java
@@ -19,13 +19,9 @@
  */
 package org.sonar.db.ce;
 
-import com.google.common.base.Function;
-import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
 import java.util.Collections;
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
 import java.util.Optional;
 import java.util.Random;
 import java.util.function.Consumer;
@@ -786,28 +782,6 @@ private void insertCharacteristic(String key, String value, String uuid, String
     db.getDbClient().ceTaskCharacteristicsDao().insert(db.getSession(), dto1);
   }
 
-  private static Iterable<Map<String, Object>> upperizeKeys(List<Map<String, Object>> select) {
-    return select.stream().map((Function<Map<String, Object>, Map<String, Object>>) input -> {
-      Map<String, Object> res = new HashMap<>(input.size());
-      for (Map.Entry<String, Object> entry : input.entrySet()) {
-        res.put(entry.getKey().toUpperCase(), entry.getValue());
-      }
-      return res;
-    }).toList();
-  }
-
-  private void verifyCeQueueStatuses(String[] taskUuids, CeQueueDto.Status[] statuses) {
-    Map<String, Object>[] rows = new Map[taskUuids.length];
-    for (int i = 0; i < taskUuids.length; i++) {
-      rows[i] = rowMap(taskUuids[i], statuses[i]);
-    }
-    assertThat(upperizeKeys(db.select(SELECT_QUEUE_UUID_AND_STATUS_QUERY))).containsOnly(rows);
-  }
-
-  private static Map<String, Object> rowMap(String uuid, CeQueueDto.Status status) {
-    return ImmutableMap.of("UUID", uuid, "STATUS", status.name());
-  }
-
   private void mockSystem2ForSingleCall(long now) {
     Mockito.reset(mockedSystem2);
     when(mockedSystem2.now())
diff --git a/server/sonar-db-dao/src/it/java/org/sonar/db/ce/CeScannerContextDaoIT.java b/server/sonar-db-dao/src/it/java/org/sonar/db/ce/CeScannerContextDaoIT.java
index 93dbdd87d230..417dfdd907ba 100644
--- a/server/sonar-db-dao/src/it/java/org/sonar/db/ce/CeScannerContextDaoIT.java
+++ b/server/sonar-db-dao/src/it/java/org/sonar/db/ce/CeScannerContextDaoIT.java
@@ -27,7 +27,6 @@
 import org.sonar.db.DbSession;
 import org.sonar.db.DbTester;
 
-import static java.lang.System.lineSeparator;
 import static java.util.Collections.singleton;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatNoException;
diff --git a/server/sonar-db-dao/src/it/java/org/sonar/db/property/PropertiesDaoWithPersisterIT.java b/server/sonar-db-dao/src/it/java/org/sonar/db/property/PropertiesDaoWithPersisterIT.java
index f3bab89943e4..9ed7ff5f4c16 100644
--- a/server/sonar-db-dao/src/it/java/org/sonar/db/property/PropertiesDaoWithPersisterIT.java
+++ b/server/sonar-db-dao/src/it/java/org/sonar/db/property/PropertiesDaoWithPersisterIT.java
@@ -30,8 +30,6 @@
 import org.sonar.db.DbTester;
 import org.sonar.db.audit.AuditPersister;
 import org.sonar.db.audit.model.PropertyNewValue;
-import org.sonar.db.component.ComponentDto;
-import org.sonar.db.user.UserDto;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.ArgumentMatchers.any;
@@ -303,34 +301,4 @@ private PropertyQuery getPropertyQuery(String key) {
       .setUserUuid(USER_UUID)
       .build();
   }
-
-  private UserDto setUserProperties(@Nullable String value) {
-    when(auditPersister.isTrackedProperty(KEY)).thenReturn(true);
-    when(auditPersister.isTrackedProperty(ANOTHER_KEY)).thenReturn(false);
-    when(auditPersister.isTrackedProperty(SECURED_KEY)).thenReturn(true);
-
-    ComponentDto project = db.components().insertPrivateProject().getMainBranchComponent();
-    UserDto user = db.users().insertUser();
-
-    if (value == null) {
-      value = user.getLogin();
-    }
-
-    PropertyDto dto1 = new PropertyDto().setKey(KEY)
-      .setEntityUuid(project.uuid())
-      .setUserUuid(user.getUuid())
-      .setValue(value);
-    PropertyDto dto2 = new PropertyDto().setKey(ANOTHER_KEY)
-      .setEntityUuid(project.uuid())
-      .setUserUuid(user.getUuid())
-      .setValue(value);
-    PropertyDto dto3 = new PropertyDto().setKey(SECURED_KEY)
-      .setEntityUuid(project.uuid())
-      .setUserUuid(user.getUuid())
-      .setValue(value);
-    db.properties().insertProperty(dto1, project.getKey(), project.name(), project.qualifier(), user.getLogin());
-    db.properties().insertProperty(dto2, project.getKey(), project.name(), project.qualifier(), user.getLogin());
-    db.properties().insertProperty(dto3, project.getKey(), project.name(), project.qualifier(), user.getLogin());
-    return user;
-  }
 }
diff --git a/server/sonar-db-dao/src/main/java/org/sonar/db/component/BranchDto.java b/server/sonar-db-dao/src/main/java/org/sonar/db/component/BranchDto.java
index 863a4b2016c2..155f7ef133f0 100644
--- a/server/sonar-db-dao/src/main/java/org/sonar/db/component/BranchDto.java
+++ b/server/sonar-db-dao/src/main/java/org/sonar/db/component/BranchDto.java
@@ -115,13 +115,6 @@ public BranchDto setIsMain(boolean isMain) {
     return this;
   }
 
-  /**
-   * This is the getter used by MyBatis mapper.
-   */
-  private String getKee() {
-    return kee;
-  }
-
   public String getKey() {
     return kee;
   }
diff --git a/server/sonar-db-dao/src/main/java/org/sonar/db/component/SnapshotDto.java b/server/sonar-db-dao/src/main/java/org/sonar/db/component/SnapshotDto.java
index 71cd8f19420a..791f795a8916 100644
--- a/server/sonar-db-dao/src/main/java/org/sonar/db/component/SnapshotDto.java
+++ b/server/sonar-db-dao/src/main/java/org/sonar/db/component/SnapshotDto.java
@@ -24,7 +24,6 @@
 import javax.annotation.Nullable;
 
 import static com.google.common.base.Preconditions.checkArgument;
-import static org.apache.commons.lang3.StringUtils.trimToNull;
 
 public final class SnapshotDto {
 
@@ -119,13 +118,6 @@ public String getProjectVersion() {
     return projectVersion;
   }
 
-  /**
-   * Used by MyBatis
-   */
-  private void setRawProjectVersion(@Nullable String projectVersion) {
-    this.projectVersion = trimToNull(projectVersion);
-  }
-
   @CheckForNull
   public String getBuildString() {
     return buildString;
@@ -137,13 +129,6 @@ public SnapshotDto setBuildString(@Nullable String buildString) {
     return this;
   }
 
-  /**
-   * Used by MyBatis
-   */
-  private void setRawBuildString(@Nullable String buildString) {
-    this.buildString = trimToNull(buildString);
-  }
-
   public SnapshotDto setPeriodMode(@Nullable String p) {
     periodMode = p;
     return this;
diff --git a/server/sonar-db-dao/src/main/java/org/sonar/db/event/EventComponentChangeDto.java b/server/sonar-db-dao/src/main/java/org/sonar/db/event/EventComponentChangeDto.java
index a41690098cfe..176ffcb43ca9 100644
--- a/server/sonar-db-dao/src/main/java/org/sonar/db/event/EventComponentChangeDto.java
+++ b/server/sonar-db-dao/src/main/java/org/sonar/db/event/EventComponentChangeDto.java
@@ -78,24 +78,6 @@ public EventComponentChangeDto setCategory(ChangeCategory category) {
     return this;
   }
 
-  /**
-   * Used by MyBatis through reflection.
-   */
-  private String getChangeCategory() {
-    return category == null ? null : category.dbValue;
-  }
-
-  /**
-   * Used by MyBatis through reflection.
-   *
-   * @throws IllegalArgumentException if not a support change category DB value
-   */
-  private EventComponentChangeDto setChangeCategory(String changeCategory) {
-    this.category = ChangeCategory.fromDbValue(changeCategory)
-      .orElseThrow(() -> new IllegalArgumentException("Unsupported changeCategory DB value: " + changeCategory));
-    return this;
-  }
-
   public String getComponentUuid() {
     return componentUuid;
   }
@@ -136,11 +118,4 @@ public EventComponentChangeDto setComponentBranchKey(@Nullable String componentB
   public long getCreatedAt() {
     return createdAt;
   }
-
-  /**
-   * Used by MyBatis through reflection.
-   */
-  private void setCreatedAt(long createdAt) {
-    this.createdAt = createdAt;
-  }
 }
diff --git a/server/sonar-db-dao/src/main/java/org/sonar/db/user/UserDto.java b/server/sonar-db-dao/src/main/java/org/sonar/db/user/UserDto.java
index a6e4fab242c7..f547e1e7bd32 100644
--- a/server/sonar-db-dao/src/main/java/org/sonar/db/user/UserDto.java
+++ b/server/sonar-db-dao/src/main/java/org/sonar/db/user/UserDto.java
@@ -120,13 +120,6 @@ public UserDto setActive(boolean b) {
     return this;
   }
 
-  /**
-   * Used by mybatis
-   */
-  private List<String> getScmAccounts() {
-    return scmAccounts;
-  }
-
   public List<String> getSortedScmAccounts() {
     // needs to be done when reading, as mybatis do not use the setter
     return scmAccounts.stream().sorted(comparing(s -> s, CASE_INSENSITIVE_ORDER)).toList();
diff --git a/server/sonar-db-migration/src/it/java/org/sonar/server/platform/db/migration/sql/CreateTableBuilderIT.java b/server/sonar-db-migration/src/it/java/org/sonar/server/platform/db/migration/sql/CreateTableBuilderIT.java
index e45ca221a519..6533f578c954 100644
--- a/server/sonar-db-migration/src/it/java/org/sonar/server/platform/db/migration/sql/CreateTableBuilderIT.java
+++ b/server/sonar-db-migration/src/it/java/org/sonar/server/platform/db/migration/sql/CreateTableBuilderIT.java
@@ -141,10 +141,6 @@ private void assertTableAndColumnsExists(String tableName, String... columnNames
     assertThat(row).isEmpty();
   }
 
-  private CreateTableBuilder newCreateTableBuilder() {
-    return new CreateTableBuilder(dialect, createTableName());
-  }
-
   private static String createTableName() {
     return "table_" + tableNameGenerator++;
   }
diff --git a/server/sonar-process/src/test/java/org/sonar/process/sharedmemoryfile/AllProcessesCommandsTest.java b/server/sonar-process/src/test/java/org/sonar/process/sharedmemoryfile/AllProcessesCommandsTest.java
index bbc418ea58aa..7192f62ff28d 100644
--- a/server/sonar-process/src/test/java/org/sonar/process/sharedmemoryfile/AllProcessesCommandsTest.java
+++ b/server/sonar-process/src/test/java/org/sonar/process/sharedmemoryfile/AllProcessesCommandsTest.java
@@ -209,8 +209,4 @@ public void clean_cleans_sharedMemory_of_any_process_less_than_MAX_PROCESSES() t
   private byte readByte(AllProcessesCommands commands, int offset) {
     return commands.mappedByteBuffer.get(commands.offset(PROCESS_NUMBER) + offset);
   }
-
-  private long readLong(AllProcessesCommands commands, int offset) {
-    return commands.mappedByteBuffer.getLong(offset + commands.offset(PROCESS_NUMBER));
-  }
 }
diff --git a/server/sonar-server-common/src/test/java/org/sonar/server/issue/notification/ChangesOnMyIssueNotificationHandlerTest.java b/server/sonar-server-common/src/test/java/org/sonar/server/issue/notification/ChangesOnMyIssueNotificationHandlerTest.java
index 4fbba01c5081..062837ebfd26 100644
--- a/server/sonar-server-common/src/test/java/org/sonar/server/issue/notification/ChangesOnMyIssueNotificationHandlerTest.java
+++ b/server/sonar-server-common/src/test/java/org/sonar/server/issue/notification/ChangesOnMyIssueNotificationHandlerTest.java
@@ -28,10 +28,8 @@
 import java.util.List;
 import java.util.Random;
 import java.util.Set;
-import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 import java.util.stream.Stream;
-import javax.annotation.Nullable;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.ArgumentCaptor;
@@ -440,16 +438,6 @@ private static Rule newRule() {
     return newRandomNotAHotspotRule(secure().nextAlphabetic(5));
   }
 
-  private static Set<IssuesChangesNotification> randomSetOfNotifications(@Nullable String projectKey, @Nullable String assignee, @Nullable String changeAuthor) {
-    return IntStream.range(0, 1 + new Random().nextInt(5))
-      .mapToObj(i -> newNotification(projectKey, assignee, changeAuthor))
-      .collect(Collectors.toSet());
-  }
-
-  private static IssuesChangesNotification newNotification(@Nullable String projectKey, @Nullable String assignee, @Nullable String changeAuthor) {
-    return mock(IssuesChangesNotification.class);
-  }
-
   private static NotificationManager.EmailRecipient emailRecipientOf(String login) {
     return new NotificationManager.EmailRecipient(login, emailOf(login));
   }
diff --git a/server/sonar-webserver-api/src/test/projects/fake-sqale-plugin/src/BasePlugin.java b/server/sonar-webserver-api/src/test/projects/fake-sqale-plugin/src/BasePlugin.java
index ff5cfda1bca6..a79222606e0d 100644
--- a/server/sonar-webserver-api/src/test/projects/fake-sqale-plugin/src/BasePlugin.java
+++ b/server/sonar-webserver-api/src/test/projects/fake-sqale-plugin/src/BasePlugin.java
@@ -19,9 +19,6 @@
  */
 import org.sonar.api.Plugin;
 
-import java.util.Collections;
-import java.util.List;
-
 public class BasePlugin extends Plugin {
 
   public void define(Plugin.Context context) {
diff --git a/server/sonar-webserver-api/src/test/projects/test-extend-plugin/src/ExtendPlugin.java b/server/sonar-webserver-api/src/test/projects/test-extend-plugin/src/ExtendPlugin.java
index 6b5c98305f64..77c50a0c906d 100644
--- a/server/sonar-webserver-api/src/test/projects/test-extend-plugin/src/ExtendPlugin.java
+++ b/server/sonar-webserver-api/src/test/projects/test-extend-plugin/src/ExtendPlugin.java
@@ -19,9 +19,6 @@
  */
 import org.sonar.api.Plugin;
 
-import java.util.Collections;
-import java.util.List;
-
 public class ExtendPlugin extends Plugin {
 
   public void define(Plugin.Context context) {
diff --git a/server/sonar-webserver-api/src/test/projects/test-libs-plugin/src/LibsPlugin.java b/server/sonar-webserver-api/src/test/projects/test-libs-plugin/src/LibsPlugin.java
index 83a63f81662b..dd9f4261bd52 100644
--- a/server/sonar-webserver-api/src/test/projects/test-libs-plugin/src/LibsPlugin.java
+++ b/server/sonar-webserver-api/src/test/projects/test-libs-plugin/src/LibsPlugin.java
@@ -19,9 +19,6 @@
  */
 import org.sonar.api.Plugin;
 
-import java.util.Collections;
-import java.util.List;
-
 public class LibsPlugin extends Plugin {
 
   public void define(Plugin.Context context) {
diff --git a/server/sonar-webserver-api/src/test/projects/test-requirenew-plugin/src/RequirePlugin.java b/server/sonar-webserver-api/src/test/projects/test-requirenew-plugin/src/RequirePlugin.java
index e20491aea80a..dd88e6d1afdf 100644
--- a/server/sonar-webserver-api/src/test/projects/test-requirenew-plugin/src/RequirePlugin.java
+++ b/server/sonar-webserver-api/src/test/projects/test-requirenew-plugin/src/RequirePlugin.java
@@ -19,9 +19,6 @@
  */
 import org.sonar.api.Plugin;
 
-import java.util.Collections;
-import java.util.List;
-
 public class RequirePlugin extends Plugin {
 
   public RequirePlugin() {
diff --git a/server/sonar-webserver-auth/src/main/java/org/sonar/server/authentication/OAuth2AuthenticationParameters.java b/server/sonar-webserver-auth/src/main/java/org/sonar/server/authentication/OAuth2AuthenticationParameters.java
index 42e23dd51ff9..ab7e5856dc25 100644
--- a/server/sonar-webserver-auth/src/main/java/org/sonar/server/authentication/OAuth2AuthenticationParameters.java
+++ b/server/sonar-webserver-auth/src/main/java/org/sonar/server/authentication/OAuth2AuthenticationParameters.java
@@ -20,7 +20,6 @@
 package org.sonar.server.authentication;
 
 import java.util.Optional;
-import jakarta.servlet.FilterConfig;
 import org.sonar.api.server.authentication.OAuth2IdentityProvider;
 import org.sonar.api.server.http.HttpRequest;
 import org.sonar.api.server.http.HttpResponse;
diff --git a/server/sonar-webserver-auth/src/test/java/org/sonar/server/authentication/JwtCsrfVerifierTest.java b/server/sonar-webserver-auth/src/test/java/org/sonar/server/authentication/JwtCsrfVerifierTest.java
index 390aa28bdf43..cfb38aaf97ce 100644
--- a/server/sonar-webserver-auth/src/test/java/org/sonar/server/authentication/JwtCsrfVerifierTest.java
+++ b/server/sonar-webserver-auth/src/test/java/org/sonar/server/authentication/JwtCsrfVerifierTest.java
@@ -177,15 +177,6 @@ public void remove_state() {
     assertThat(cookie.getMaxAge()).isZero();
   }
 
-  private void verifyCookie(Cookie cookie) {
-    assertThat(cookie.getName()).isEqualTo("XSRF-TOKEN");
-    assertThat(cookie.getValue()).isNotEmpty();
-    assertThat(cookie.getPath()).isEqualTo("/");
-    assertThat(cookie.isHttpOnly()).isFalse();
-    assertThat(cookie.getMaxAge()).isEqualTo(TIMEOUT);
-    assertThat(cookie.isSecure()).isFalse();
-  }
-
   private void mockPostJavaWsRequest() {
     when(request.getRequestURI()).thenReturn(JAVA_WS_URL);
     when(request.getMethod()).thenReturn("POST");
diff --git a/server/sonar-webserver-auth/src/testFixtures/java/org/sonar/server/tester/AbstractMockUserSession.java b/server/sonar-webserver-auth/src/testFixtures/java/org/sonar/server/tester/AbstractMockUserSession.java
index 1c0484de5272..d542a4f4f9c5 100644
--- a/server/sonar-webserver-auth/src/testFixtures/java/org/sonar/server/tester/AbstractMockUserSession.java
+++ b/server/sonar-webserver-auth/src/testFixtures/java/org/sonar/server/tester/AbstractMockUserSession.java
@@ -20,7 +20,6 @@
 package org.sonar.server.tester;
 
 import com.google.common.collect.HashMultimap;
-import com.google.common.collect.ImmutableSet;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.HashSet;
diff --git a/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/CeStatusNodeCheckTest.java b/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/CeStatusNodeCheckTest.java
index 234be67e9d31..7b2535e41cd7 100644
--- a/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/CeStatusNodeCheckTest.java
+++ b/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/CeStatusNodeCheckTest.java
@@ -21,7 +21,6 @@
 
 import org.junit.Test;
 import org.sonar.server.app.ProcessCommandWrapper;
-import org.sonar.server.common.health.CeStatusNodeCheck;
 import org.sonar.server.health.Health;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/DbConnectionNodeCheckTest.java b/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/DbConnectionNodeCheckTest.java
index efe2d75b97b6..5aa3aaef84ac 100644
--- a/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/DbConnectionNodeCheckTest.java
+++ b/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/DbConnectionNodeCheckTest.java
@@ -24,7 +24,6 @@
 import org.sonar.db.DbClient;
 import org.sonar.db.DbSession;
 import org.sonar.db.IsAliveMapper;
-import org.sonar.server.common.health.DbConnectionNodeCheck;
 import org.sonar.server.health.Health;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/EsStatusNodeCheckTest.java b/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/EsStatusNodeCheckTest.java
index 26e9f8b4d253..48da20b21c55 100644
--- a/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/EsStatusNodeCheckTest.java
+++ b/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/EsStatusNodeCheckTest.java
@@ -22,7 +22,6 @@
 import org.elasticsearch.cluster.health.ClusterHealthStatus;
 import org.junit.Test;
 import org.mockito.Mockito;
-import org.sonar.server.common.health.EsStatusNodeCheck;
 import org.sonar.server.es.EsClient;
 import org.sonar.server.health.Health;
 
diff --git a/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/WebServerSafemodeNodeCheckTest.java b/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/WebServerSafemodeNodeCheckTest.java
index 4d88c627018f..4cca474331b4 100644
--- a/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/WebServerSafemodeNodeCheckTest.java
+++ b/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/WebServerSafemodeNodeCheckTest.java
@@ -20,7 +20,6 @@
 package org.sonar.server.common.health;
 
 import org.junit.Test;
-import org.sonar.server.common.health.WebServerSafemodeNodeCheck;
 import org.sonar.server.health.Health;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/WebServerStatusNodeCheckTest.java b/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/WebServerStatusNodeCheckTest.java
index ca4e9df5a300..ddefd5075b38 100644
--- a/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/WebServerStatusNodeCheckTest.java
+++ b/server/sonar-webserver-common/src/test/java/org/sonar/server/common/health/WebServerStatusNodeCheckTest.java
@@ -23,7 +23,6 @@
 import java.util.Random;
 import org.junit.Test;
 import org.sonar.server.app.RestartFlagHolder;
-import org.sonar.server.common.health.WebServerStatusNodeCheck;
 import org.sonar.server.health.Health;
 import org.sonar.server.platform.Platform;
 import org.sonar.server.platform.db.migration.DatabaseMigrationState;
diff --git a/server/sonar-webserver-es/src/main/java/org/sonar/server/issue/index/IssueQueryFactory.java b/server/sonar-webserver-es/src/main/java/org/sonar/server/issue/index/IssueQueryFactory.java
index 0fca9849d89a..2a267c4e9fe8 100644
--- a/server/sonar-webserver-es/src/main/java/org/sonar/server/issue/index/IssueQueryFactory.java
+++ b/server/sonar-webserver-es/src/main/java/org/sonar/server/issue/index/IssueQueryFactory.java
@@ -39,7 +39,6 @@
 import java.util.Optional;
 import java.util.Set;
 import java.util.stream.Collectors;
-import java.util.stream.Stream;
 import javax.annotation.Nullable;
 import org.apache.commons.lang3.BooleanUtils;
 import org.apache.commons.lang3.StringUtils;
diff --git a/server/sonar-webserver-es/src/test/java/org/sonar/server/issue/index/IssueIndexSecurityReportsTest.java b/server/sonar-webserver-es/src/test/java/org/sonar/server/issue/index/IssueIndexSecurityReportsTest.java
index 0c002a4e13cc..26c3b020b059 100644
--- a/server/sonar-webserver-es/src/test/java/org/sonar/server/issue/index/IssueIndexSecurityReportsTest.java
+++ b/server/sonar-webserver-es/src/test/java/org/sonar/server/issue/index/IssueIndexSecurityReportsTest.java
@@ -32,7 +32,6 @@
 import org.sonar.api.issue.Issue;
 import org.sonar.api.issue.IssueStatus;
 import org.sonar.api.rule.Severity;
-import org.sonar.api.server.rule.RulesDefinition;
 import org.sonar.core.rule.RuleType;
 import org.sonar.api.server.rule.RulesDefinition.StigVersion;
 import org.sonar.db.component.ComponentDto;
diff --git a/server/sonar-webserver-webapi/src/it/java/org/sonar/server/project/ws/BulkDeleteActionIT.java b/server/sonar-webserver-webapi/src/it/java/org/sonar/server/project/ws/BulkDeleteActionIT.java
index f486fca178d5..b4d4c136d704 100644
--- a/server/sonar-webserver-webapi/src/it/java/org/sonar/server/project/ws/BulkDeleteActionIT.java
+++ b/server/sonar-webserver-webapi/src/it/java/org/sonar/server/project/ws/BulkDeleteActionIT.java
@@ -43,7 +43,6 @@
 import org.sonar.db.DbSession;
 import org.sonar.db.DbTester;
 import org.sonar.db.component.ComponentDto;
-import org.sonar.db.component.PortfolioData;
 import org.sonar.db.component.ProjectData;
 import org.sonar.db.entity.EntityDto;
 import org.sonar.db.portfolio.PortfolioDto;
@@ -344,10 +343,6 @@ private void verifyListenersOnProjectsDeleted(ProjectData... projectData) {
     verifyListenersOnProjectsDeleted(Arrays.stream(projectData).collect(Collectors.toMap(ProjectData::getProjectDto, data -> data.getMainBranchDto().getUuid())));
   }
 
-  private void verifyListenersOnProjectsDeleted(PortfolioData... portfolioData) {
-    verifyListenersOnProjectsDeleted(Arrays.stream(portfolioData).collect(Collectors.toMap(PortfolioData::getPortfolioDto, null)));
-  }
-
   private void verifyListenersOnProjectsDeleted(Map<EntityDto, String> entityWithBranchUuid) {
     verify(projectLifeCycleListeners)
       .onProjectsDeleted(entityWithBranchUuid.entrySet()
diff --git a/server/sonar-webserver-webapi/src/it/java/org/sonar/server/setting/ws/ValuesActionIT.java b/server/sonar-webserver-webapi/src/it/java/org/sonar/server/setting/ws/ValuesActionIT.java
index 252cc78512e2..0f810530a3cd 100644
--- a/server/sonar-webserver-webapi/src/it/java/org/sonar/server/setting/ws/ValuesActionIT.java
+++ b/server/sonar-webserver-webapi/src/it/java/org/sonar/server/setting/ws/ValuesActionIT.java
@@ -65,7 +65,6 @@
 import static org.sonar.db.property.PropertyTesting.newComponentPropertyDto;
 import static org.sonar.db.property.PropertyTesting.newGlobalPropertyDto;
 import static org.sonarqube.ws.MediaTypes.JSON;
-import static org.sonarqube.ws.Settings.Setting.ParentValueOneOfCase.PARENTVALUEONEOF_NOT_SET;
 
 public class ValuesActionIT {
 
@@ -801,33 +800,4 @@ private void assertFieldValues(Settings.Setting setting, Map<String, String>...
       index++;
     }
   }
-
-  private void assertParentValue(Settings.Setting setting, @Nullable String parentValue) {
-    if (parentValue == null) {
-      assertThat(setting.getParentValueOneOfCase()).isEqualTo(PARENTVALUEONEOF_NOT_SET);
-    } else {
-      assertThat(setting.getParentValue()).isEqualTo(parentValue);
-    }
-  }
-
-  private void assertParentValues(Settings.Setting setting, String... parentValues) {
-    if (parentValues.length == 0) {
-      assertThat(setting.getParentValueOneOfCase()).isEqualTo(PARENTVALUEONEOF_NOT_SET);
-    } else {
-      assertThat(setting.getParentValues().getValuesList()).containsOnly(parentValues);
-    }
-  }
-
-  private void assertParentFieldValues(Settings.Setting setting, Map<String, String>... fieldsValues) {
-    if (fieldsValues.length == 0) {
-      assertThat(setting.getParentValueOneOfCase()).isEqualTo(PARENTVALUEONEOF_NOT_SET);
-    } else {
-      assertThat(setting.getParentFieldValues().getFieldValuesList()).hasSize(fieldsValues.length);
-      int index = 0;
-      for (Settings.FieldValues.Value fieldsValue : setting.getParentFieldValues().getFieldValuesList()) {
-        assertThat(fieldsValue.getValue()).isEqualTo(fieldsValues[index]);
-        index++;
-      }
-    }
-  }
 }
diff --git a/server/sonar-webserver-webapi/src/test/java/org/sonar/server/issue/ws/SearchActionFeatureGatingTest.java b/server/sonar-webserver-webapi/src/test/java/org/sonar/server/issue/ws/SearchActionFeatureGatingTest.java
index be08a925c598..6e04796df6f7 100644
--- a/server/sonar-webserver-webapi/src/test/java/org/sonar/server/issue/ws/SearchActionFeatureGatingTest.java
+++ b/server/sonar-webserver-webapi/src/test/java/org/sonar/server/issue/ws/SearchActionFeatureGatingTest.java
@@ -20,7 +20,6 @@
 package org.sonar.server.issue.ws;
 
 import org.junit.jupiter.api.Test;
-import org.mockito.Mockito;
 import org.sonar.api.server.ws.WebService;
 import org.sonar.api.utils.System2;
 import org.sonar.db.DbClient;
@@ -29,7 +28,6 @@
 import org.sonar.server.issue.index.IssueIndexSyncProgressChecker;
 import org.sonar.server.issue.index.IssueQueryFactory;
 import org.sonar.server.tester.UserSessionRule;
-import org.sonar.server.ws.TestRequest;
 import org.sonar.server.ws.WsActionTester;
 
 import java.util.Objects;
diff --git a/sonar-core/src/test/java/org/sonar/core/platform/ModuleTest.java b/sonar-core/src/test/java/org/sonar/core/platform/ModuleTest.java
index ca99fc7767db..d046e9f6982d 100644
--- a/sonar-core/src/test/java/org/sonar/core/platform/ModuleTest.java
+++ b/sonar-core/src/test/java/org/sonar/core/platform/ModuleTest.java
@@ -71,8 +71,4 @@ protected void configureModule() {
 
     assertThat(container.getAddedObjects()).hasSize(2);
   }
-
-  private static int sizeOf(SpringComponentContainer container) {
-    return container.context.getBeanDefinitionCount();
-  }
 }
diff --git a/sonar-core/src/test/java/org/sonar/core/scadata/DefaultScaDataSourceImplTest.java b/sonar-core/src/test/java/org/sonar/core/scadata/DefaultScaDataSourceImplTest.java
index 08c6a38f324c..99a7ccbe959e 100644
--- a/sonar-core/src/test/java/org/sonar/core/scadata/DefaultScaDataSourceImplTest.java
+++ b/sonar-core/src/test/java/org/sonar/core/scadata/DefaultScaDataSourceImplTest.java
@@ -22,7 +22,7 @@
 import org.junit.Test;
 import java.util.OptionalInt;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockito.Mockito.mock;
 
 public class DefaultScaDataSourceImplTest {
diff --git a/sonar-core/src/test/java/org/sonar/core/util/rule/RuleSetChangedEventTest.java b/sonar-core/src/test/java/org/sonar/core/util/rule/RuleSetChangedEventTest.java
index adddebb4aa63..87e6dc659fae 100644
--- a/sonar-core/src/test/java/org/sonar/core/util/rule/RuleSetChangedEventTest.java
+++ b/sonar-core/src/test/java/org/sonar/core/util/rule/RuleSetChangedEventTest.java
@@ -46,10 +46,4 @@ public void getLanguage_givenBothArraysEmpty_throwException() {
     assertThatThrownBy(() -> new RuleSetChangedEvent(project, activatedRules, deactivatedRules))
       .isInstanceOf(IllegalArgumentException.class);
   }
-
-  private RuleChange createRuleChange(String language) {
-    RuleChange ruleChange = new RuleChange();
-    ruleChange.setLanguage(language);
-    return ruleChange;
-  }
 }
diff --git a/sonar-duplications/src/test/java/org/sonar/duplications/detector/ContainsInComparatorTest.java b/sonar-duplications/src/test/java/org/sonar/duplications/detector/ContainsInComparatorTest.java
index 5439c6dedbb9..1f4451607a30 100644
--- a/sonar-duplications/src/test/java/org/sonar/duplications/detector/ContainsInComparatorTest.java
+++ b/sonar-duplications/src/test/java/org/sonar/duplications/detector/ContainsInComparatorTest.java
@@ -20,7 +20,7 @@
 package org.sonar.duplications.detector;
 
 import static org.hamcrest.CoreMatchers.is;
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertThat;
 
 import java.util.Comparator;
 
diff --git a/sonar-duplications/src/test/java/org/sonar/duplications/detector/suffixtree/StringText.java b/sonar-duplications/src/test/java/org/sonar/duplications/detector/suffixtree/StringText.java
index 70a267dd1ccf..d61b2f4a8c89 100644
--- a/sonar-duplications/src/test/java/org/sonar/duplications/detector/suffixtree/StringText.java
+++ b/sonar-duplications/src/test/java/org/sonar/duplications/detector/suffixtree/StringText.java
@@ -19,9 +19,6 @@
  */
 package org.sonar.duplications.detector.suffixtree;
 
-import org.sonar.duplications.detector.suffixtree.AbstractText;
-import org.sonar.duplications.detector.suffixtree.Text;
-
 /**
  * Implementation of {@link Text} based on {@link String}.
  */
diff --git a/sonar-scanner-engine/src/it/java/org/sonar/scanner/mediumtest/analysisdata/AnalysisDataIT.java b/sonar-scanner-engine/src/it/java/org/sonar/scanner/mediumtest/analysisdata/AnalysisDataIT.java
index 94ccedfa9465..4c1a322dd655 100644
--- a/sonar-scanner-engine/src/it/java/org/sonar/scanner/mediumtest/analysisdata/AnalysisDataIT.java
+++ b/sonar-scanner-engine/src/it/java/org/sonar/scanner/mediumtest/analysisdata/AnalysisDataIT.java
@@ -32,7 +32,6 @@
 import org.sonar.scanner.mediumtest.AnalysisResult;
 import org.sonar.scanner.mediumtest.ScannerMediumTester;
 import org.sonar.scanner.protocol.output.ScannerReport;
-import org.sonar.xoo.Xoo;
 import org.sonar.xoo.XooPlugin;
 
 public class AnalysisDataIT {
diff --git a/sonar-scanner-engine/src/test/java/org/sonar/scanner/repository/featureflags/DefaultFeatureFlagsLoaderTest.java b/sonar-scanner-engine/src/test/java/org/sonar/scanner/repository/featureflags/DefaultFeatureFlagsLoaderTest.java
index 59a73e86f163..6f65cf844d75 100644
--- a/sonar-scanner-engine/src/test/java/org/sonar/scanner/repository/featureflags/DefaultFeatureFlagsLoaderTest.java
+++ b/sonar-scanner-engine/src/test/java/org/sonar/scanner/repository/featureflags/DefaultFeatureFlagsLoaderTest.java
@@ -30,7 +30,6 @@
 import org.sonar.scanner.WsTestUtil;
 import org.sonar.scanner.http.DefaultScannerWsClient;
 import org.sonar.scanner.scan.branch.BranchConfiguration;
-import wiremock.org.apache.hc.core5.http.HttpException;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatException;
diff --git a/sonar-ws/src/main/java/org/sonarqube/ws/client/MockWsResponse.java b/sonar-ws/src/main/java/org/sonarqube/ws/client/MockWsResponse.java
index 0d39a6922555..e22c788da394 100644
--- a/sonar-ws/src/main/java/org/sonarqube/ws/client/MockWsResponse.java
+++ b/sonar-ws/src/main/java/org/sonarqube/ws/client/MockWsResponse.java
@@ -33,7 +33,7 @@
 import org.sonarqube.ws.MediaTypes;
 
 import static java.util.Objects.requireNonNull;
-import static java.util.stream.Collectors.*;
+import static java.util.stream.Collectors.toMap;
 
 public class MockWsResponse extends BaseResponse {