Index: mdanalysis/package/doc/sphinx/Makefile
===================================================================
--- mdanalysis.orig/package/doc/sphinx/Makefile	2021-09-02 21:48:31.497693688 +0200
+++ mdanalysis/package/doc/sphinx/Makefile	2022-02-10 15:25:26.538318492 +0100
@@ -3,7 +3,7 @@
 
 # You can set these variables from the command line.
 SPHINXOPTS    =
-SPHINXBUILD   = sphinx-build -v -W
+SPHINXBUILD   = sphinx-build -v
 PAPER         =
 BUILDDIR      = ..