The TT Zero Race will not go ahead for the next two years.
The Department for Enterprise has described the move as a 'moratorium' - saying running the clean emission racing has become 'increasingly challenging'.
As a result, the TT Zero class will not run in the 2020 and 2021 schedule - the Department says it'll now talk to manufacturers and teams about how the race can be developed.
Introduced in 2010, the TT Zero race has premiered all-electric prototype and production machines on the TT Course.
Highlights including the first 100mph lap of the Mountain Course by a clean emissions motorcycle Motoczysz - in 2012 and the remarkable performance by Nottingham University in posting their own 120mph lap.
However, the DFE says recent years have seen entries for this all-electric class drop.
The Department will shortly announce the full race programme for the 2020 Isle of Man TT Races.
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