PROTIP:
1. Click the Settings (gear icon) on the top-left
2. Click CSS
3. Copy-paste the following code into the CSS text field then click Save
a[href="/hispachan"], a[href="/hispachan"] + span,
a[href="/hisparefugio"], a[href="/hisparefugio"] + span,
a[href="/argentina"], a[href="/argentina"] + span,
a[href="/arepa"], a[href="/arepa"] + span,
a[href="/mex"], a[href="/mex"] + span,
a[href="/hisrol"], a[href="/hisrol"] + span,
a[href="/hispol"], a[href="/hispol"] + span,
a[href="/ac"], a[href="/ac"] + span,
a[href="/av"], a[href="/av"] + span,
a[href="/col"], a[href="/col"] + span,
a[href="/sm"], a[href="/sm"] + span,
a[href="/interracial"], a[href="/interracial"] + span,
a[href="/2dblacked"], a[href="/2dblacked"] + span,
a[href="/zoo"], a[href="/zoo"] + span,
a[href="/abdl"], a[href="/abdl"] + span,
a[href="/tkr"], a[href="/tkr"] + span,
a[href="/hypno"], a[href="/hypno"] + span,
a[href="/vore1"], a[href="/vore1"] + span,
a[href="/indiachan"], a[href="/indiachan"] + span,
a[href="/india"], a[href="/india"] + span,
a[href="/teyvat"], a[href="/teyvat"] + span
{display: none;}
This hides many boards from the top bar. If there's a board you want back just remove the entire line for it.