diff --git a/src/error.rs b/src/error.rs
index 84db214..f89cf94 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -33,9 +33,6 @@ pub enum Error {
     SessionAlreadyExists(Session),
     /// Raised when fetching an occupant with a nickname that isn't assigned in the room.
     ParticipantNotFound(String),
-    /// Raised whenever an operation is applied to a session which isn't the primary session, used
-    /// for Multi-Session Nick support.
-    SecondarySession(Session),
     /// The origin (from) JID isn't of the expected for (bare or full)
     InvalidOriginJid,
     /// The destination (to) JID isn't of the expected for (bare or full)
@@ -60,7 +57,6 @@ impl fmt::Display for Error {
             Error::NonexistantSession(err) => write!(f, "Session doesn't exist: {:?}", err),
             Error::SessionAlreadyExists(err) => write!(f, "Session already exist: {:?}", err),
             Error::ParticipantNotFound(err) => write!(f, "Participant not found: {}", err),
-            Error::SecondarySession(err) => write!(f, "Secondary session: {:?}", err),
             Error::InvalidOriginJid => write!(f, "Invalid origin JID"),
             Error::InvalidDestinationJid => write!(f, "Invalid destination JID"),
             Error::UnhandledIq(err) => write!(f, "Unhandled Iq: {:?}", err),
diff --git a/src/occupant.rs b/src/occupant.rs
index e82c42a..9b416b7 100644
--- a/src/occupant.rs
+++ b/src/occupant.rs
@@ -92,12 +92,8 @@ impl Occupant {
 
         for (i, session) in self.sessions.iter().enumerate() {
             if &own_session == session {
-                if i == 0 {
-                    // Primary session
-                    self.sessions[0] = own_session;
-                    return Ok(());
-                }
-                return Err(Error::SecondarySession(own_session));
+                self.sessions[i] = own_session;
+                return Ok(());
             }
         }
 
@@ -130,9 +126,7 @@ impl Occupant {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::tests::templates::{
-        LOUISE_FULL1, LOUISE_FULL2, LOUISE_NICK, LOUISE_ROOM1_PART, ROOM1_BARE,
-    };
+    use crate::tests::templates::{LOUISE_FULL1, LOUISE_FULL2, LOUISE_ROOM1_PART};
     use xmpp_parsers::{
         muc::{
             user::{Affiliation, Item as MucItem, Role},
@@ -191,16 +185,11 @@ mod tests {
         .unwrap();
 
         match occupant.update_presence(presence2.clone()) {
-            Err(Error::SecondarySession(session)) if session.real() == &*LOUISE_FULL2 => (),
-            err => panic!(
-                "Should return Error::SecondarySession(Session {{ {:?} }}), returned: {:?}",
-                *LOUISE_FULL2, err,
-            ),
+            Ok(()) => (),
+            err => panic!("Error: {:?}", err),
         }
-        assert_eq!(
-            occupant.sessions[1],
-            Session::try_from(presence2.clone()).unwrap()
-        );
+
+        assert_eq!(occupant.sessions[1].presence, presence2);
 
         let presence_leave_louise2 = PresenceFull::try_from(
             Presence::new(PresenceType::Unavailable)
@@ -213,7 +202,7 @@ mod tests {
         match occupant.update_presence(presence2) {
             Err(Error::NonexistantSession(session)) if session.real() == &*LOUISE_FULL2 => (),
             err => panic!(
-                "Should return Error::SecondarySession(Session {{ {:?} }}), returned: {:?}",
+                "Should return Error::NonexistantSession(Session {{ {:?} }}), returned: {:?}",
                 *LOUISE_FULL2, err,
             ),
         }
diff --git a/src/room.rs b/src/room.rs
index f9ae1b7..f02237b 100644
--- a/src/room.rs
+++ b/src/room.rs
@@ -317,7 +317,7 @@ impl Room {
 
         let occupant = self.get_mut_occupant(&session)?;
         match occupant.update_presence(session.presence.clone()) {
-            Ok(_) | Err(Error::SecondarySession(_)) => (),
+            Ok(_) => (),
             err => err?,
         }