diff --git a/doc/Guidebook.tex b/doc/Guidebook.tex
index e0c1e43c5..2302522aa 100644
--- a/doc/Guidebook.tex
+++ b/doc/Guidebook.tex
@@ -7588,7 +7588,6 @@ and dungeon compilers of past versions, with a new Lua interpreter-based
 approach to provide those elements. Lua is also used for the quest texts
 in \textit{NetHack} 5.0.0. The entire development team acknowledges the work
 done by \textit{Pasi Kallinen} to make that happen.
-\textit{Ray Chason}
 
 %.pg
 \medskip