diff --git a/dmp-backend/data/src/main/java/eu/eudat/data/dao/entities/security/CredentialDao.java b/dmp-backend/data/src/main/java/eu/eudat/data/dao/entities/security/CredentialDao.java
index 5d8dcce11..6ddd6fa06 100644
--- a/dmp-backend/data/src/main/java/eu/eudat/data/dao/entities/security/CredentialDao.java
+++ b/dmp-backend/data/src/main/java/eu/eudat/data/dao/entities/security/CredentialDao.java
@@ -2,7 +2,6 @@ package eu.eudat.data.dao.entities.security;
 
 import eu.eudat.data.dao.DatabaseAccessLayer;
 import eu.eudat.data.entities.Credential;
-import sun.security.krb5.Credentials;
 
 import java.util.UUID;
 
diff --git a/dmp-backend/pom.xml b/dmp-backend/pom.xml
index 684c4989a..086bf9355 100644
--- a/dmp-backend/pom.xml
+++ b/dmp-backend/pom.xml
@@ -195,6 +195,36 @@
             <artifactId>log4j-to-slf4j</artifactId>
             <version>2.8.2</version>
         </dependency>
+
+        <!-- https://mvnrepository.com/artifact/javax.xml.bind/jaxb-api -->
+        <dependency>
+            <groupId>javax.xml.bind</groupId>
+            <artifactId>jaxb-api</artifactId>
+            <version>2.3.1</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/org.glassfish.jaxb/jaxb-core -->
+        <dependency>
+            <groupId>org.glassfish.jaxb</groupId>
+            <artifactId>jaxb-core</artifactId>
+            <version>2.3.0</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/org.glassfish.jaxb/jaxb-runtime -->
+        <dependency>
+            <groupId>org.glassfish.jaxb</groupId>
+            <artifactId>jaxb-runtime</artifactId>
+            <version>2.3.1</version>
+        </dependency>
+
+
+        <!-- https://mvnrepository.com/artifact/javax.annotation/javax.annotation-api -->
+        <dependency>
+            <groupId>javax.annotation</groupId>
+            <artifactId>javax.annotation-api</artifactId>
+            <version>1.3.1</version>
+        </dependency>
+
     </dependencies>
 
 
diff --git a/dmp-backend/web/src/main/java/eu/eudat/models/data/user/components/datasetprofile/FieldSet.java b/dmp-backend/web/src/main/java/eu/eudat/models/data/user/components/datasetprofile/FieldSet.java
index 277534d16..2dfd6020b 100644
--- a/dmp-backend/web/src/main/java/eu/eudat/models/data/user/components/datasetprofile/FieldSet.java
+++ b/dmp-backend/web/src/main/java/eu/eudat/models/data/user/components/datasetprofile/FieldSet.java
@@ -5,7 +5,6 @@ import eu.eudat.models.data.properties.PropertiesGenerator;
 import eu.eudat.models.data.user.composite.PropertiesModelBuilder;
 import eu.eudat.logic.utilities.builders.ModelBuilder;
 import eu.eudat.logic.utilities.interfaces.ViewStyleDefinition;
-import sun.rmi.runtime.NewThreadAction;
 
 import java.security.Key;
 import java.util.*;