Method and apparatus for removing user plan connections in multi-connectivity systems

A method for removing at least one first user plane (UP) connection by a first wireless communication node, comprising:

• receiving a first message from a second wireless communication node, wherein the first message comprises the at least one first UP connection to be removed;
• removing the at least one first UP connection from a plurality of UP connections;
• and
• transmitting a second message to the second wireless communication node,
• wherein the at least one first UP connection is determined by the second wireless communication node, and wherein the first message further comprises at least one Uplink-Transport Network Layer (UL-TNL) address of the at least one first UP connection.