diff --git a/.mvn/lombok-config-copy.marker b/.mvn/lombok-config-copy.marker
new file mode 100644
index 000000000..e69de29bb
diff --git a/lombok.config b/lombok.config
new file mode 100644
index 000000000..4fa82504b
--- /dev/null
+++ b/lombok.config
@@ -0,0 +1 @@
+import target/configs/powsybl-build-tools.jar!powsybl-build-tools/lombok.config
diff --git a/pom.xml b/pom.xml
index a048bace8..b94962a47 100644
--- a/pom.xml
+++ b/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-parent-ws</artifactId>
-        <version>11</version>
+        <version>12</version>
         <relativePath/>
     </parent>
 
@@ -48,7 +48,6 @@
         <db-util.version>1.0.5</db-util.version>
         <commons-lang3.version>3.9</commons-lang3.version>
         <log4j2-mock-version>0.0.2</log4j2-mock-version>
-        <equalsverifier-version>3.7.1</equalsverifier-version>
         <testcontainers.version>1.16.2</testcontainers.version>
         <liquibase-hibernate-package>org.gridsuite.modification.server</liquibase-hibernate-package>
         <assertj.version>3.24.2</assertj.version>
@@ -120,11 +119,6 @@
                 <artifactId>log4j2-mock</artifactId>
                 <version>${log4j2-mock-version}</version>
             </dependency>
-            <dependency>
-                <groupId>nl.jqno.equalsverifier</groupId>
-                <artifactId>equalsverifier</artifactId>
-                <version>${equalsverifier-version}</version>
-            </dependency>
             <dependency>
                 <groupId>org.testcontainers</groupId>
                 <artifactId>elasticsearch</artifactId>
@@ -281,11 +275,6 @@
             <scope>test</scope>
         </dependency>
 
-        <dependency>
-            <groupId>nl.jqno.equalsverifier</groupId>
-            <artifactId>equalsverifier</artifactId>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-stream</artifactId>
diff --git a/src/test/java/org/gridsuite/modification/server/Impacts/ElementImpactTest.java b/src/test/java/org/gridsuite/modification/server/Impacts/ElementImpactTest.java
index de8cbccf9..ca6306bc0 100644
--- a/src/test/java/org/gridsuite/modification/server/Impacts/ElementImpactTest.java
+++ b/src/test/java/org/gridsuite/modification/server/Impacts/ElementImpactTest.java
@@ -8,7 +8,6 @@
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.powsybl.iidm.network.IdentifiableType;
-import nl.jqno.equalsverifier.EqualsVerifier;
 import org.gridsuite.modification.server.dto.NetworkModificationResult;
 import org.gridsuite.modification.server.dto.NetworkModificationResult.ApplicationStatus;
 import org.gridsuite.modification.server.impacts.SimpleElementImpact;
@@ -21,6 +20,7 @@
 import java.util.HashSet;
 import java.util.List;
 import java.util.TreeSet;
+
 import static org.gridsuite.modification.server.Impacts.TestImpactUtils.*;
 import static org.junit.Assert.assertEquals;
 
@@ -33,9 +33,6 @@ public class ElementImpactTest {
 
     @Test
     public void testElementImpact() throws IOException {
-        EqualsVerifier.simple().forClass(NetworkModificationResult.class).verify();
-        EqualsVerifier.simple().forClass(SimpleElementImpact.class).verify();
-
         SimpleElementImpact creationImpact = createCreationImpactType(IdentifiableType.LINE, "lineId", new TreeSet<>(List.of("s1", "s2")));
         SimpleElementImpact modificationImpact = createModificationImpactType(IdentifiableType.LOAD, "loadId", new TreeSet<>(List.of("s3")));
         SimpleElementImpact deletionImpact = createDeletionImpactType(IdentifiableType.GENERATOR, "generatorId", new TreeSet<>(List.of("s4")));
diff --git a/src/test/java/org/gridsuite/modification/server/ModificationControllerTest.java b/src/test/java/org/gridsuite/modification/server/ModificationControllerTest.java
index 88b45cc68..654324837 100644
--- a/src/test/java/org/gridsuite/modification/server/ModificationControllerTest.java
+++ b/src/test/java/org/gridsuite/modification/server/ModificationControllerTest.java
@@ -19,14 +19,11 @@
 import com.powsybl.network.store.client.NetworkStoreService;
 import com.powsybl.network.store.client.PreloadingStrategy;
 import com.powsybl.network.store.iidm.impl.NetworkFactoryImpl;
-import nl.jqno.equalsverifier.EqualsVerifier;
 import org.apache.commons.lang3.tuple.Pair;
 import org.gridsuite.modification.server.Impacts.TestImpactUtils;
 import org.gridsuite.modification.server.dto.*;
 import org.gridsuite.modification.server.dto.LoadCreationInfos.LoadCreationInfosBuilder;
-import org.gridsuite.modification.server.dto.catalog.AerialLineTypeInfos;
 import org.gridsuite.modification.server.dto.catalog.LineTypeInfos;
-import org.gridsuite.modification.server.dto.catalog.UndergroundLineTypeInfos;
 import org.gridsuite.modification.server.elasticsearch.EquipmentInfosRepository;
 import org.gridsuite.modification.server.elasticsearch.EquipmentInfosService;
 import org.gridsuite.modification.server.elasticsearch.TombstonedEquipmentInfosRepository;
@@ -59,12 +56,10 @@
 
 import static org.gridsuite.modification.server.Impacts.TestImpactUtils.*;
 import static org.gridsuite.modification.server.NetworkModificationException.Type.*;
-import static org.gridsuite.modification.server.utils.assertions.Assertions.assertThat;
 import static org.gridsuite.modification.server.utils.TestUtils.assertLogMessage;
+import static org.gridsuite.modification.server.utils.assertions.Assertions.assertThat;
 import static org.junit.Assert.*;
-import static org.mockito.ArgumentMatchers.argThat;
-import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.ArgumentMatchers.nullable;
+import static org.mockito.ArgumentMatchers.*;
 import static org.mockito.Mockito.doThrow;
 import static org.mockito.Mockito.when;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
@@ -1043,11 +1038,6 @@ public void testGetPositionAfterAndBefore() {
 
     @Test
     public void testGetLineTypesCatalog() throws Exception {
-        // Exclude Id for those unit tests because it's exluded in dto
-        EqualsVerifier.simple().forClass(LineTypeInfos.class).withIgnoredFields("id").verify();
-        EqualsVerifier.simple().forClass(AerialLineTypeInfos.class).withIgnoredFields("id").verify();
-        EqualsVerifier.simple().forClass(UndergroundLineTypeInfos.class).withIgnoredFields("id").verify();
-
         MvcResult mvcResult;
         String resultAsString;
 
diff --git a/src/test/java/org/gridsuite/modification/server/service/EquipmentInfosServiceTests.java b/src/test/java/org/gridsuite/modification/server/service/EquipmentInfosServiceTests.java
index ba84b2e4f..18905efa4 100644
--- a/src/test/java/org/gridsuite/modification/server/service/EquipmentInfosServiceTests.java
+++ b/src/test/java/org/gridsuite/modification/server/service/EquipmentInfosServiceTests.java
@@ -11,7 +11,6 @@
 import com.powsybl.iidm.network.Network;
 import com.powsybl.network.store.iidm.impl.NetworkFactoryImpl;
 import com.powsybl.network.store.iidm.impl.NetworkImpl;
-import nl.jqno.equalsverifier.EqualsVerifier;
 import org.gridsuite.modification.server.NetworkModificationException;
 import org.gridsuite.modification.server.dto.VoltageLevelInfos;
 import org.gridsuite.modification.server.dto.elasticsearch.EquipmentInfos;
@@ -64,10 +63,6 @@ private boolean existEquipmentInfos(String equipmentId, UUID networkUuid, String
 
     @Test
     public void testAddDeleteEquipmentInfos() {
-        EqualsVerifier.simple().forClass(EquipmentInfos.class).verify();
-        EqualsVerifier.simple().forClass(TombstonedEquipmentInfos.class).verify();
-        EqualsVerifier.simple().forClass(VoltageLevelInfos.class).verify();
-
         EquipmentInfos equipmentInfos = EquipmentInfos.builder().networkUuid(NETWORK_UUID).id("id1").variantId(VARIANT_NAME_1).name("name1").type(IdentifiableType.LOAD.name()).voltageLevels(Set.of(VoltageLevelInfos.builder().id("vl1").name("vl1").build())).build();
         equipmentInfosService.addAllEquipmentInfos(List.of(equipmentInfos));
         assertNotNull(equipmentInfosRepository.findAllByNetworkUuidAndVariantId(NETWORK_UUID, VARIANT_NAME_1).get(0));
diff --git a/src/test/java/org/gridsuite/modification/server/service/ModificationRepositoryTest.java b/src/test/java/org/gridsuite/modification/server/service/ModificationRepositoryTest.java
index 1326b75cc..b60a13578 100644
--- a/src/test/java/org/gridsuite/modification/server/service/ModificationRepositoryTest.java
+++ b/src/test/java/org/gridsuite/modification/server/service/ModificationRepositoryTest.java
@@ -9,7 +9,6 @@
 import com.powsybl.iidm.network.*;
 import com.powsybl.iidm.network.extensions.ConnectablePosition;
 import com.vladmihalcea.sql.SQLStatementCountValidator;
-import nl.jqno.equalsverifier.EqualsVerifier;
 import org.gridsuite.modification.server.NetworkModificationException;
 import org.gridsuite.modification.server.dto.*;
 import org.gridsuite.modification.server.entities.ModificationEntity;
@@ -37,8 +36,8 @@
 
 import static org.gridsuite.modification.server.NetworkModificationException.Type.MODIFICATION_GROUP_NOT_FOUND;
 import static org.gridsuite.modification.server.NetworkModificationException.Type.MODIFICATION_NOT_FOUND;
-import static org.gridsuite.modification.server.utils.assertions.Assertions.assertThat;
 import static org.gridsuite.modification.server.utils.TestUtils.assertRequestsCount;
+import static org.gridsuite.modification.server.utils.assertions.Assertions.assertThat;
 import static org.junit.Assert.*;
 
 
@@ -1053,7 +1052,6 @@ public void testDeleteVoltageLevelOnLine() {
     private <T> void testModificationEmbedded(IAttributeModificationEmbeddable<T> modification, T val) {
         assertEquals(val, modification.getValue());
         assertEquals(OperationType.SET, modification.getOpType());
-        EqualsVerifier.simple().forClass(modification.getClass()).verify();
     }
 
     @Test