diff --git a/Doc/Makefile.deps b/Doc/Makefile.deps
index 4ab684fcc3c..680c3296578 100644
--- a/Doc/Makefile.deps
+++ b/Doc/Makefile.deps
@@ -142,7 +142,6 @@ LIBFILES= $(MANSTYLES) $(COMMONTEX) \
 	lib/libbastion.tex \
 	lib/libformatter.tex \
 	lib/liboperator.tex \
-	lib/libsoundex.tex \
 	lib/libresource.tex \
 	lib/libstat.tex \
 	lib/libstringio.tex \