--- configure.ac.orig	2021-12-31 13:12:10 UTC
+++ configure.ac
@@ -43,7 +43,6 @@ PKG_PROG_PKG_CONFIG
 
 PKG_PROG_PKG_CONFIG
 
-GTK_DOC_CHECK(1.16)
 
 AC_CHECK_FUNCS(strptime)
 
@@ -350,10 +349,6 @@ data/icons/scalable/Makefile
 data/icons/32x32/Makefile
 data/icons/48x48/Makefile
 data/icons/scalable/Makefile
-doc/Makefile
-doc/reference/Makefile
-doc/reference/version.xml
-doc/reference/xviewer-docs.xml
 ])
 
 AC_OUTPUT