diff --git a/openvidu-server/src/main/java/io/openvidu/server/cdr/CDREventParticipant.java b/openvidu-server/src/main/java/io/openvidu/server/cdr/CDREventParticipant.java
index 6a33c893..62824807 100644
--- a/openvidu-server/src/main/java/io/openvidu/server/cdr/CDREventParticipant.java
+++ b/openvidu-server/src/main/java/io/openvidu/server/cdr/CDREventParticipant.java
@@ -27,8 +27,8 @@ public class CDREventParticipant extends CDREventEnd {
 	private Participant participant;
 
 	// participantJoined
-	public CDREventParticipant(String sessionId, Participant participant) {
-		super(CDREventName.participantJoined, sessionId, participant.getCreatedAt());
+	public CDREventParticipant(Participant participant) {
+		super(CDREventName.participantJoined, participant.getSessionId(), participant.getCreatedAt());
 		this.participant = participant;
 	}
 
diff --git a/openvidu-server/src/main/java/io/openvidu/server/core/FinalUser.java b/openvidu-server/src/main/java/io/openvidu/server/core/FinalUser.java
index 87b1cdb3..be2cc4a0 100644
--- a/openvidu-server/src/main/java/io/openvidu/server/core/FinalUser.java
+++ b/openvidu-server/src/main/java/io/openvidu/server/core/FinalUser.java
@@ -30,28 +30,21 @@ import io.openvidu.server.utils.GeoLocation;
 public class FinalUser {
 
 	private String id;
-	private String sessionId;
 	private GeoLocation location;
 	private String platform;
 	private Map<String, ParticipantSummary> connections = new ConcurrentHashMap<>();
 
 	public FinalUser(String id, String sessionId, Participant firstConnection) {
 		this.id = id;
-		this.sessionId = sessionId;
 		this.location = firstConnection.getLocation();
 		this.platform = firstConnection.getPlatform();
-		this.connections.put(firstConnection.getParticipantPublicId(),
-				new ParticipantSummary(this.sessionId, firstConnection));
+		this.connections.put(firstConnection.getParticipantPublicId(), new ParticipantSummary(firstConnection));
 	}
 
 	public String getId() {
 		return id;
 	}
 
-	public String getSessionId() {
-		return sessionId;
-	}
-
 	public GeoLocation getLocation() {
 		return location;
 	}
@@ -65,7 +58,7 @@ public class FinalUser {
 	}
 
 	public void addConnectionIfAbsent(Participant participant) {
-		this.connections.putIfAbsent(participant.getParticipantPublicId(), new ParticipantSummary(this.sessionId, participant));
+		this.connections.putIfAbsent(participant.getParticipantPublicId(), new ParticipantSummary(participant));
 	}
 
 	public void setConnection(CDREventParticipant event) {
diff --git a/openvidu-server/src/main/java/io/openvidu/server/summary/ParticipantSummary.java b/openvidu-server/src/main/java/io/openvidu/server/summary/ParticipantSummary.java
index 27432af2..19558715 100644
--- a/openvidu-server/src/main/java/io/openvidu/server/summary/ParticipantSummary.java
+++ b/openvidu-server/src/main/java/io/openvidu/server/summary/ParticipantSummary.java
@@ -33,8 +33,8 @@ public class ParticipantSummary {
 	private Map<String, CDREventWebrtcConnection> publishers = new ConcurrentHashMap<>();
 	private Map<String, CDREventWebrtcConnection> subscribers = new ConcurrentHashMap<>();
 
-	public ParticipantSummary(String sessionId, Participant participant) {
-		this.eventParticipantEnd = new CDREventParticipant(sessionId, participant);
+	public ParticipantSummary(Participant participant) {
+		this.eventParticipantEnd = new CDREventParticipant(participant);
 	}
 
 	public ParticipantSummary(CDREventParticipant event, ParticipantSummary oldSummary) {