diff --git a/dmp-backend/core/src/main/java/eu/eudat/data/DmpEntity.java b/dmp-backend/core/src/main/java/eu/eudat/data/DmpEntity.java
index a8b136a38..7ab5cef94 100644
--- a/dmp-backend/core/src/main/java/eu/eudat/data/DmpEntity.java
+++ b/dmp-backend/core/src/main/java/eu/eudat/data/DmpEntity.java
@@ -4,8 +4,6 @@ import eu.eudat.commons.enums.DmpAccessType;
 import eu.eudat.commons.enums.DmpStatus;
 import eu.eudat.commons.enums.DmpVersionStatus;
 import eu.eudat.commons.enums.IsActive;
-import eu.eudat.data.converters.DateToUTCConverter;
-import eu.eudat.data.converters.InstantToUTCConverter;
 import eu.eudat.data.converters.enums.DmpAccessTypeConverter;
 import eu.eudat.data.converters.enums.DmpStatusConverter;
 import eu.eudat.data.converters.enums.IsActiveConverter;
@@ -64,13 +62,11 @@ public class DmpEntity implements DataEntity<DmpEntity, UUID> {
     public static final String _description = "description";
 
     @Column(name = "created_at")
-    @Convert(converter = InstantToUTCConverter.class)
     private Instant createdAt;
 
     public static final String _createdAt = "createdAt";
 
     @Column(name = "updated_at")
-    @Convert(converter = InstantToUTCConverter.class)
     private Instant updatedAt;
 
     public static final String _updatedAt = "updatedAt";
@@ -82,7 +78,6 @@ public class DmpEntity implements DataEntity<DmpEntity, UUID> {
     public static final String _isActive = "isActive";
 
     @Column(name = "finalized_at")
-    @Convert(converter = InstantToUTCConverter.class)
     private Instant finalizedAt;
 
     public static final String _finalizedAt = "finalizedAt";
diff --git a/dmp-backend/core/src/main/java/eu/eudat/data/converters/InstantToUTCConverter.java b/dmp-backend/core/src/main/java/eu/eudat/data/converters/InstantToUTCConverter.java
deleted file mode 100644
index fdb54ad96..000000000
--- a/dmp-backend/core/src/main/java/eu/eudat/data/converters/InstantToUTCConverter.java
+++ /dev/null
@@ -1,23 +0,0 @@
-package eu.eudat.data.converters;
-
-import jakarta.persistence.AttributeConverter;
-import jakarta.persistence.Converter;
-
-import java.time.Instant;
-import java.util.Date;
-
-@Converter
-public class InstantToUTCConverter implements AttributeConverter<Instant, Date> {
-
-    @Override
-    public Date convertToDatabaseColumn(Instant attribute) {
-        if(attribute == null) return null;
-        return Date.from(attribute);
-    }
-
-    @Override
-    public Instant convertToEntityAttribute(Date dbData) {
-        if (dbData == null) return null;
-        return dbData.toInstant();
-    }
-}
diff --git a/dmp-migration-tool/web/src/main/java/eu/old/eudat/publicapi/migration/MigrationController.java b/dmp-migration-tool/web/src/main/java/eu/old/eudat/publicapi/migration/MigrationController.java
index cbd84e3b6..feab18f1b 100644
--- a/dmp-migration-tool/web/src/main/java/eu/old/eudat/publicapi/migration/MigrationController.java
+++ b/dmp-migration-tool/web/src/main/java/eu/old/eudat/publicapi/migration/MigrationController.java
@@ -68,7 +68,7 @@ public class MigrationController {
             dmpEntity.setDescription(dataManagementPlan.getDescription());
             dmpEntity.setAccessType(dataManagementPlan.getPublic() ? DmpAccessType.Public : DmpAccessType.Restricted);
             if (dataManagementPlan.getCreator() != null)
-                dmpEntity.setCreator(dataManagementPlan.getCreator().getId());
+                dmpEntity.setCreatorId(dataManagementPlan.getCreator().getId());
             dmpEntity.setGroupId(dataManagementPlan.getGroupId());
             dmpEntity.setVersion((short) dataManagementPlan.getVersion());
             dmpEntity.setVersionStatus(DmpVersionStatus.of((short) dataManagementPlan.getVersionStatus()));
@@ -78,7 +78,7 @@ public class MigrationController {
                 dmpEntity.setUpdatedAt(dataManagementPlan.getModified().toInstant());
             if (dataManagementPlan.getFinalized() != null)
                 dmpEntity.setFinalizedAt(dataManagementPlan.getFinalized().toInstant());
-            dmpEntity.setBlueprint(dataManagementPlan.getProfile().getId());
+            dmpEntity.setBlueprintId(dataManagementPlan.getProfile().getId());
             if (dataManagementPlan.getExtraProperties().containsKey("language") && dataManagementPlan.getExtraProperties().get("language") != null)
                 dmpEntity.setLanguage((String) dataManagementPlan.getExtraProperties().get("language"));
             if (dataManagementPlan.getStatus() == 99) {