Upon the completion of this scheme almost all Class 201, 202 and 203 units were withdrawn, although a motor brake second open and trailer composite corridor (TCK) were used briefly to reinstate Class 206 unit 1206. Class 202 "6L" Unit 1011, however, continued in service as a 4-car unit. For unclear reasons it was renumbered into the Class 203 sequence when the TOPS system was introduced, becoming 203001. It was used on the Marshlink Line until 1990, when it was converted for departmental use and renumbered 1067. It was again renumbered, to 1067, and repainted into Network SouthEast livery. It was withdrawn in 1994.