diff --git a/dspace-api/src/main/java/org/dspace/versioning/VersioningServiceImpl.java b/dspace-api/src/main/java/org/dspace/versioning/VersioningServiceImpl.java
index 3028bc4cfa58..a1d49b5a8ab2 100644
--- a/dspace-api/src/main/java/org/dspace/versioning/VersioningServiceImpl.java
+++ b/dspace-api/src/main/java/org/dspace/versioning/VersioningServiceImpl.java
@@ -12,8 +12,8 @@
 import java.util.List;
 import java.util.Objects;
 import java.util.UUID;
+import javax.ws.rs.NotAuthorizedException;
 
-import de.undercouch.citeproc.helper.oauth.UnauthorizedException;
 import org.dspace.content.DCDate;
 import org.dspace.content.Item;
 import org.dspace.content.MetadataValue;
@@ -70,7 +70,7 @@ public Version createNewVersion(Context c, Item item) {
     public Version createNewVersion(Context c, Item item, String summary) {
         try {
             if (!itemService.canCreateNewVersion(c, item)) {
-                throw new UnauthorizedException("Current User is not allowed to create a new version of this item");
+                throw new NotAuthorizedException("Current User is not allowed to create a new version of this item");
             }
             VersionHistory vh = versionHistoryService.findByItem(c, item);
             if (vh == null) {
@@ -199,10 +199,10 @@ public Version getVersion(Context c, Item item) throws SQLException {
 
     @Override
     public Version createNewVersion(Context context, VersionHistory history, Item item, String summary, Date date,
-                                    int versionNumber) throws UnauthorizedException {
+                                    int versionNumber) {
         try {
             if (!itemService.canCreateNewVersion(context, item)) {
-                throw new UnauthorizedException("Current User is not allowed to create a new version of this item");
+                throw new NotAuthorizedException("Current User is not allowed to create a new version of this item");
             }
             Version version = versionDAO.create(context, new Version());
             if (versionNumber > 0 && !isVersionExist(context, item, versionNumber)) {
@@ -248,7 +248,7 @@ public List<Version> getVersionsByHistoryWithItems(Context c, VersionHistory vh,
 // **** PROTECTED METHODS!!
 
     protected Version createVersion(Context c, VersionHistory vh, Item item, String summary, Date date)
-        throws SQLException, UnauthorizedException {
+        throws SQLException {
         return createNewVersion(c, vh, item, summary, date, getNextVersionNumer(c, vh));
     }
 
diff --git a/dspace-api/src/main/java/org/dspace/versioning/service/VersioningService.java b/dspace-api/src/main/java/org/dspace/versioning/service/VersioningService.java
index 56316068029f..3260dd5d8b45 100644
--- a/dspace-api/src/main/java/org/dspace/versioning/service/VersioningService.java
+++ b/dspace-api/src/main/java/org/dspace/versioning/service/VersioningService.java
@@ -12,7 +12,6 @@
 import java.util.List;
 import java.util.UUID;
 
-import de.undercouch.citeproc.helper.oauth.UnauthorizedException;
 import org.dspace.content.Item;
 import org.dspace.core.Context;
 import org.dspace.versioning.Version;
@@ -80,7 +79,7 @@ List<Version> getVersionsByHistoryWithItems(Context c, VersionHistory vh, int of
     Version getVersion(Context c, Item item) throws SQLException;
 
     Version createNewVersion(Context context, VersionHistory history, Item item, String summary, Date date,
-                             int versionNumber) throws UnauthorizedException;
+                             int versionNumber);
 
     /**
      * Update the Version