diff --git a/bin/tests/optional/.gitignore b/bin/tests/optional/.gitignore
new file mode 100644
index 0000000000..4c0b637f36
--- /dev/null
+++ b/bin/tests/optional/.gitignore
@@ -0,0 +1,5 @@
+/backtrace_test.dSYM/
+/backtrace_test0.dSYM/
+/backtrace_test_nosymtbl
+/backtrace_test_nosymtbl.dSYM/
+/nsecify
diff --git a/util/copyrights b/util/copyrights
index 8588767d27..961b457cb7 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -346,6 +346,7 @@
 ./bin/tests/headerdep_test.sh.in		SH	2000,2001,2004,2007,2012,2016,2018
 ./bin/tests/makejournal.c			C	2013,2015,2016,2017,2018
 ./bin/tests/named.conf				CONF-C	1999,2000,2001,2004,2007,2011,2015,2016,2018
+./bin/tests/optional/.gitignore			X	2018
 ./bin/tests/optional/Kchild.example.+003+04017.key	X	2000,2001,2018
 ./bin/tests/optional/Kchild.example.+003+04017.private	X	2000,2001,2018
 ./bin/tests/optional/Makefile.in		MAKE	2018