# LyX: reduce spacing in TOC

I have tried adding \singlespacing before the TOC but I get "Undefined control sequence"

I have also tried \setlength{\itemsep}{0mm}

try setting in the preamble \usepackage{setspace} and after \begin{document} write \addtocontents{toc}{\protect\setstretch{0.9}} (needs Ctrl-L for the TeX mode.

You can decrease the number to any value you need.

Another possibility is to set the additional space to zero:

\begingroup

From other posts I guess that you are using the article class where the spacing is large.
In contrast, for the report class or a similar class like scrreprt, the spacing between TOC entries is about single spaced. Hence, one solution (and my suggestion) would be to switch to the report class......