Australian prosecutors have dropped two assault-related charges against the man who became a national hero after disarming one of the gunmen during the Bondi Beach shooting last December.

Ahmed al-Ahmed, 44, was charged in June with domestic violence common assault, stalking, and intimidation following an alleged incident involving his father in southwest Sydney in March.

He denied the charges, saying they were “untrue” and that he was “shocked” by the situation.

On Wednesday, prosecutors withdrew the charges at a Sydney court after Mr Ahmed agreed to abide by an apprehended domestic violence order for 12 months, restricting his contact with his father.

“It’s a family situation he never expected, one would never want to expect, and it must be really difficult for him,” his lawyer Mohamad Sakr said in June.

“He is a heroic man and his honesty and dignity should be maintained until these matters are ultimately determined.”

Mr Ahmed said he felt “successful”.

“The law has been served,” he said.

Mr Ahmed declined to comment on his relationship with his father, but said he hoped for “peace”.

“I’m a free man,” he said.

Mr Ahmed became widely known after a video showed him disarming one of the two shooters during the Bondi attack, which was carried out by Sajid Akram and his son Naveed Akram.

While the father was shot dead by police at the scene, the son was arrested and charged with as many as 59 offences, including 15 counts of murder and one of committing a terrorist attack.

Mr Ahmed, who was shot multiple times in the arm, was later honoured with the keys to the cities of Canterbury-Bankstown and Waverley.

A fundraiser launched in the days after the shooting collected more than A$2.5m, about £1.24m, for Mr Ahmed, who was visited in hospital by Australian prime minister Anthony Albanese.

In a separate court case, Mr Ahmed had claimed his brothers, Sameh Al Ahmed and Hozifa Al Ahmed, were trying to extort A$200,000 from him. They pleaded not guilty.

“This situation is untrue, it’s extortion,” he told Sydney radio 2GB in June, “and my two brothers have been harassing me, abusing me and pushing to get money from me.”

Mr Sakr said the past few weeks “had been a very stressful experience” for his client and so the Wednesday court order was “a great outcome for all”.

“My client was entitled to the presumption of innocence; that innocence is maintained,” he said.