diff --git a/protocol/protocol.tex b/protocol/protocol.tex
index 8bf42509..40ea9936 100644
--- a/protocol/protocol.tex
+++ b/protocol/protocol.tex
@@ -25,7 +25,6 @@
 
 % Fonts
 \RequirePackage{lmodern}
-\RequirePackage{bold-extra}
 \RequirePackage{quattrocento}
 \RequirePackage[bb=ams]{mathalfa}