diff --git a/src/main/java/eu/dnetlib/repo/manager/domain/Aggregations.java b/src/main/java/eu/dnetlib/repo/manager/domain/Aggregations.java
deleted file mode 100644
index 329e674..0000000
--- a/src/main/java/eu/dnetlib/repo/manager/domain/Aggregations.java
+++ /dev/null
@@ -1,38 +0,0 @@
-package eu.dnetlib.repo.manager.domain;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class Aggregations{
-
-    private List<AggregationDetails> aggregationHistory = new ArrayList<>();
-    private AggregationDetails lastCollection;
-    private AggregationDetails lastTransformation;
-
-    public Aggregations() {
-    }
-
-    public List<AggregationDetails> getAggregationHistory() {
-        return aggregationHistory;
-    }
-
-    public void setAggregationHistory(List<AggregationDetails> aggregationHistory) {
-        this.aggregationHistory = aggregationHistory;
-    }
-
-    public AggregationDetails getLastCollection() {
-        return lastCollection;
-    }
-
-    public void setLastCollection(AggregationDetails lastCollection) {
-        this.lastCollection = lastCollection;
-    }
-
-    public AggregationDetails getLastTransformation() {
-        return lastTransformation;
-    }
-
-    public void setLastTransformation(AggregationDetails lastTransformation) {
-        this.lastTransformation = lastTransformation;
-    }
-}
diff --git a/src/main/java/eu/dnetlib/repo/manager/domain/DatasourceRegistrationState.java b/src/main/java/eu/dnetlib/repo/manager/domain/DatasourceRegistrationState.java
deleted file mode 100644
index 7d7fa75..0000000
--- a/src/main/java/eu/dnetlib/repo/manager/domain/DatasourceRegistrationState.java
+++ /dev/null
@@ -1,47 +0,0 @@
-package eu.dnetlib.repo.manager.domain;
-
-import eu.dnetlib.repo.manager.domain.Repository;
-
-/**
- * Created by stefania on 12/17/15.
- */
-public class DatasourceRegistrationState extends WizardState {
-
-    private String mode;
-    private String selectedRepositoryId;
-
-    private Repository repository;
-
-    public DatasourceRegistrationState() {
-    }
-
-    public DatasourceRegistrationState(String mode, String selectedRepositoryId, Repository repository) {
-        this.mode = mode;
-        this.selectedRepositoryId = selectedRepositoryId;
-        this.repository = repository;
-    }
-
-    public String getMode() {
-        return mode;
-    }
-
-    public void setMode(String mode) {
-        this.mode = mode;
-    }
-
-    public String getSelectedRepositoryId() {
-        return selectedRepositoryId;
-    }
-
-    public void setSelectedRepositoryId(String selectedRepositoryId) {
-        this.selectedRepositoryId = selectedRepositoryId;
-    }
-
-    public Repository getRepository() {
-        return repository;
-    }
-
-    public void setRepository(Repository repository) {
-        this.repository = repository;
-    }
-}
diff --git a/src/main/java/eu/dnetlib/repo/manager/domain/DatasourceVocabularies.java b/src/main/java/eu/dnetlib/repo/manager/domain/DatasourceVocabularies.java
deleted file mode 100644
index eb7f646..0000000
--- a/src/main/java/eu/dnetlib/repo/manager/domain/DatasourceVocabularies.java
+++ /dev/null
@@ -1,60 +0,0 @@
-package eu.dnetlib.repo.manager.domain;
-
-
-import java.util.List;
-import java.util.Map;
-
-/**
- * Created by nikonas on 21/12/15.
- */
-public class DatasourceVocabularies{
-
-    private Map<String, String> countries;
-    private List<Timezone> timezones;
-    private Map<String, String> datasourceClasses;
-    private List<String> typologies;
-    private Map<String, String> compatibilityLevels;
-
-    public DatasourceVocabularies() {
-    }
-
-    public Map<String, String> getCountries() {
-        return countries;
-    }
-
-    public void setCountries(Map<String, String> countries) {
-        this.countries = countries;
-    }
-
-    public List<Timezone> getTimezones() {
-        return timezones;
-    }
-
-    public void setTimezones(List<Timezone> timezones) {
-        this.timezones = timezones;
-    }
-
-    public Map<String, String> getDatasourceClasses() {
-        return datasourceClasses;
-    }
-
-    public void setDatasourceClasses(Map<String, String> datasourceClasses) {
-        this.datasourceClasses = datasourceClasses;
-    }
-
-    public List<String> getTypologies() {
-        return typologies;
-    }
-
-    public void setTypologies(List<String> typologies) {
-        this.typologies = typologies;
-    }
-
-    public Map<String, String> getCompatibilityLevels() {
-        return compatibilityLevels;
-    }
-
-    public void setCompatibilityLevels(Map<String, String> compatibilityLevels) {
-        this.compatibilityLevels = compatibilityLevels;
-    }
-}
diff --git a/src/main/java/eu/dnetlib/repo/manager/domain/ValidationState.java b/src/main/java/eu/dnetlib/repo/manager/domain/ValidationState.java
deleted file mode 100644
index 1435579..0000000
--- a/src/main/java/eu/dnetlib/repo/manager/domain/ValidationState.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package eu.dnetlib.repo.manager.domain;
-
-
-import eu.dnetlib.domain.functionality.validator.JobForValidation;
-
-/**
- * Created by stefania on 2/10/16.
- */
-public class ValidationState extends WizardState   {
-
-    private JobForValidation jobForValidation = new JobForValidation();
-
-    public JobForValidation getJobForValidation() {
-        return jobForValidation;
-    }
-}
diff --git a/src/main/java/eu/dnetlib/repo/manager/domain/WizardState.java b/src/main/java/eu/dnetlib/repo/manager/domain/WizardState.java
deleted file mode 100644
index a14769d..0000000
--- a/src/main/java/eu/dnetlib/repo/manager/domain/WizardState.java
+++ /dev/null
@@ -1,9 +0,0 @@
-package eu.dnetlib.repo.manager.domain;
-
-
-
-/**
- * Created by stefania on 2/10/16.
- */
-public class WizardState   {
-}