Canterbury officials say they had no alternative but to sack Ryan Tandy after the relationship between the NRL club and the controversial prop deteriorated rapidly.

Tandy, who faces four charges of providing false or misleading evidence to the NSW Crime Commission, had his contract torn up after fronting the Bulldogs board for a "show cause" hearing on Wednesday.

Tandy's charges followed investigations into suspicious betting activity on last year's round 24 encounter between North Queensland and the Bulldogs, but gambling activity involving another match ultimately led to Tandy's dismissal.

"The purpose of the show cause hearing was to determine whether Mr Tandy had placed a bet in relation to the Bulldogs game against the Gold Coast Titans on June 18, 2010, in which he played for the club," Bulldogs chief executive Todd Greenberg said in a statement.

"Mr Tandy declined to answer the club's question concerning this issue, based on legal advice.

"The club formed the view that it was untenable for Mr Tandy to remain employed by the club and continue to be paid his salary, in circumstances where he was refusing to provide information about a matter that is wholly within his knowledge and relates to duties which he expressly owes to the club."

The Bulldogs believed Tandy was in a position to discuss his betting in relation to the Canterbury-Titans round 15 match - which the Bulldogs lost 25-24 - because that match was not under investigation.

Tandy's decision not to comment proved to be the last straw, with the Bulldogs unable to move on from the betting scandal without being able to complete their own investigations.

NRL rules prohibit players from betting on any NRL fixtures.

Greenberg was adamant that Tandy's impending legal case had played no part in the club's decision to terminate his contract. He was stood down by the Bulldogs after charges were laid on February 3.

"It is important to note that the action taken by the club today is distinct and separate from the serious criminal charges that Mr Tandy is facing," Greenberg said.

"Mr Tandy is of course entitled to the presumption of innocence in relation to those charges."

Tandy and his manager Sam Ayoub both failed to return AAP's calls.

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