Method of removing nitrogen from a cryogenic hydrocarbon composition comprising a nitrogen- and methane-containing liquid phase, the method comprising: - providing a cryogenic hydrocarbon composition comprising a nitrogen- and methane-containing liquid phase; - feeding a first nitrogen stripper feed stream, at a stripping pressure, into a nitrogen stripper column comprising at least one internal stripping section positioned within the nitrogen stripper column, said first nitrogen stripper feed stream comprising a first portion of the cryogenic hydrocarbon composition; - drawing a nitrogen-stripped liquid from a sump space of the nitrogen stripper column below the stripping section; - producing at least a liquid hydrocarbon product stream and a process vapour from the nitrogen-stripped liquid, comprising at least a step of depressurizing the nitrogen-stripped liquid to a flash pressure; - compressing said process vapour to at least the stripping pressure, thereby obtaining a compressed vapour; - selectively splitting the compressed vapour into a stripping portion and a non-stripping portion that does not comprise the stripping portion, which non-stripping portion comprises a bypass portion of said compressed vapour; - passing a stripping vapour stream into the nitrogen stripper column at a level gravitationally below said stripping section, said stripping vapour stream comprising at least the stripping portion of said compressed vapour; - passing an intermediate vapour through a condenser whereby indirectly heat exchanging of the intermediate vapour against an auxiliary refrigerant stream and partially condensing the intermediate vapour, wherein said intermediate vapour comprises at least the non-stripping portion of said compressed vapour, and wherein said heat exchanging comprises passing heat from the intermediate vapour to the auxiliary refrigerant stream at a cooling duty, whereby an excess liquid is formed from the intermediate vapour and whereby at least said bypass portion from the compressed vapour remains in vapour phase; - discharging a vapour fraction as off gas, comprising a discharge fraction of an overhead vapour obtained from an overhead space of the nitrogen stripper column and comprising at least the bypass portion; and - returning at least part of a liquid recycle portion to the liquid hydrocarbon product stream, wherein the liquid recycle portion comprises at least part of the excess liquid; wherein from said selectively splitting to the discharging of the bypass portion in the vapour fraction of the off gas the bypass portion bypasses the at least one internal stripping section. - providing a cryogenic hydrocarbon composition comprising a nitrogen- and methane-containing liquid phase; - feeding a first nitrogen stripper feed stream, at a stripping pressure, into a nitrogen stripper column comprising at least one internal stripping section positioned within the nitrogen stripper column, said first nitrogen stripper feed stream comprising a first portion of the cryogenic hydrocarbon composition; - drawing a nitrogen-stripped liquid from a sump space of the nitrogen stripper column below the stripping section; - producing at least a liquid hydrocarbon product stream and a process vapour from the nitrogen-stripped liquid, comprising at least a step of depressurizing the nitrogen-stripped liquid to a flash pressure; - compressing said process vapour to at least the stripping pressure, thereby obtaining a compressed vapour; - selectively splitting the compressed vapour into a stripping portion and a non-stripping portion that does not comprise the stripping portion, which non-stripping portion comprises a bypass portion of said compressed vapour; - passing a stripping vapour stream into the nitrogen stripper column at a level gravitationally below said stripping section, said stripping vapour stream comprising at least the stripping portion of said compressed vapour; - passing an intermediate vapour through a condenser whereby indirectly heat exchanging of the intermediate vapour against an auxiliary refrigerant stream and partially condensing the intermediate vapour, wherein said intermediate vapour comprises at least the non-stripping portion of said compressed vapour, and wherein said heat exchanging comprises passing heat from the intermediate vapour to the auxiliary refrigerant stream at a cooling duty, whereby an excess liquid is formed from the intermediate vapour and whereby at least said bypass portion from the compressed vapour remains in vapour phase; - discharging a vapour fraction as off gas, comprising a discharge fraction of an overhead vapour obtained from an overhead space of the nitrogen stripper column and comprising at least the bypass portion; and - returning at least part of a liquid recycle portion to the liquid hydrocarbon product stream, wherein the liquid recycle portion comprises at least part of the excess liquid; wherein from said selectively splitting to the discharging of the bypass portion in the vapour fraction of the off gas the bypass portion bypasses the at least one internal stripping section.