Inno-Setup delete reg key

How can I delete an old regkey? {45491D4F-2AB9-4FED-B189-FA4BEE11A6F6}_is1

Root: "HKLM"; Subkey: "SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{45491D4F-2AB9-4FED-B189-FA4BEE11A6F6})"; Flags: deletekey

Thanks

Root: "HKLM"; Subkey: "SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{45491D4F-2AB9-4FED-B189-FA4BEE11A6F6}"; Flags: deletekey