diff --git a/ruthesis.sty b/ruthesis.sty
index 894cfae..67c135a 100644
--- a/ruthesis.sty
+++ b/ruthesis.sty
@@ -548,11 +548,6 @@
 \newcommand{\showlengths@ruthesis}{
   \uselengthunit{mm} % showlen package
   Lengths: (with round off error from floats)\\
-  covermarginl:\printlength{\covermarginl}\\
-  covermarginr:\printlength{\covermarginr}\\
-  covermargint:\printlength{\covermargint}\\
-  covermarginb:\printlength{\covermarginb}\\
-  coverwindowheight:\printlength{\coverwindowheight}\\
   pagecenterx:\printlength{\pagecenterx}\\
   pagecentery:\printlength{\pagecentery}\\
 }