This piece of code does not tell me much without seeing the whole context. As I have asked you in a previous post, reproduce this issue in an online editor so that I can work on it and debug it. We are not able to help our users with more complicated problems without seeing the whole code running live.
As a side note, if you need to remove a series from chart (I'm guessing just by looking at the function name), you can use the Highcharts built in method called
Series.remove() with automatically redraws a chart, so maybe that will fix your issue?
Take a look at it:
https://api.highcharts.com/class-refere ... ies#remove
Best regards