diff --git a/doc/unbound.doxygen b/doc/unbound.doxygen
index 7ff24284b..c0fa94bb6 100644
--- a/doc/unbound.doxygen
+++ b/doc/unbound.doxygen
@@ -1007,6 +1007,7 @@ EXCLUDE                = ./build \
                          libunbound/python/doc \
                          libunbound/python/examples \
                          ./ldns-src \
+                         ./simdzone \
                          README.md \
                          doc/control_proto_spec.txt \
                          doc/requirements.txt
diff --git a/testdata/01-doc.tdir/01-doc.test b/testdata/01-doc.tdir/01-doc.test
index 1e7916d55..2c1aab3c7 100644
--- a/testdata/01-doc.tdir/01-doc.test
+++ b/testdata/01-doc.tdir/01-doc.test
@@ -40,6 +40,8 @@ grep -F -v -e "dnstap" hlist > ilist; mv ilist hlist
 grep -F -v -e "util/siphash.c" hlist > ilist; mv ilist hlist
 # filter out compat
 grep -F -v -e "compat/" hlist > ilist; mv ilist hlist
+# filter out simdzone
+grep -F -v -e "simdzone/" hlist > ilist; mv ilist hlist
 for h in `cat hlist`; do
 	if grep -F "`basename $h`" $PRE/doc/html/files.html >/dev/null; then
 		: # ok