How to Disable Autofill in LibreOffice Calc

This feature goes by a few names - autoinput, autocomplete, autofill. As you type, it auto completes your current cell using cell contents from nearby cells. The problem is that hitting enter midway throughwill result in the auto fill -- whether you actually want it or not.

The option to disable this varies depending on the version. To disable this for version 5.4.3.2: