How to remove the line in the middle of my spreadsheet?

There’s a line in there that is supposed to represent something, I guess some sort of limit of what would be a page of a certain size for printing? anyway I don’t need to print this so I just want infinite space. How do I get rid of such lines?

Choose menu Tools - Options… - LibreOffice Calc - View, and uncheck Page breaks.

See more LibreOffice Help on this issue.

Tested with LibreOffice (x86); OS: Windows 6.1.

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