Apple has asked to participate in Google's upcoming U.S. antitrust trial over online search, saying it cannot rely on Google to defend revenue-sharing agreements that send the iPhone maker billions of dollars each year for making Google the default search engine on its Safari browser.

Apple wants to join the antitrust case against Google, and it has explained why it doesn't want to create its own rival search engine.

Apple is requesting to join Google's antitrust trial to protect their $20 billion annual search engine partnership. Apple asserts no plans to develop its own search engine and argues that removing Google as the default search engine would harm consumers.

Apple (AAPL) has taken a significant step in the ongoing antitrust saga surrounding Google’s search engine dominance, requesting to participate in the upcoming US trial. This move underscores the iPhone maker’s concern about its revenue-sharing agreements with Google,