I plan to use this document template for constructing my thesis: http://www.latextemplates.com/template/masters-doctoral-thesis
However, when running in draft mode, multiple rulers appear in the header and im unable to find whats causing them. Could someone explain why they are there and how to remove them?
regards, Phil

I am compiling with texworks
– Philip Aldhous May 08 '19 at 09:30bookis a standard class. There are many other packages providing adraftoption which can result in unwanted effects too. But with a KOMA-Script class the class optiondraftcould be replaced by the class optionoverfullruleto avoid such effects. – esdd May 10 '19 at 11:37