Equestrian Australia released a statement on Wednesday confirming Kermond has returned a positive A-sample for cocaine.
"Kermond is prohibited from participating in any WADA compliant event, including the Tokyo 2020 Olympic Games, while the provisional suspension is in place,"
- an Equestrian Australia (EA) statement on Wednesday read.
Kermond was selected as one of three showjumpers on a nine-strong Australian equestrian team at the Games.
"Equestrian Australia has spoken with Mr Kermond and support services will be offered to him," EA said.
Cocaine is prohibited under Australian and world anti-doping laws.
Kermond can request for an another sample to be analysed by Sport Integrity Australia.
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