diff --git a/Mk/Features/testing.mk b/Mk/Features/testing.mk
index 15af7e28eb7c..a266f6effe91 100644
--- a/Mk/Features/testing.mk
+++ b/Mk/Features/testing.mk
@@ -4,12 +4,15 @@
 # - If set, and the port supports it, the software's test suite will be compiled
 #   and run during the normal building pipeline between 'stage' and 'package'
 #   stages.
+# - A port may define TESTING_UNSAFE=yes if its tests are known to fail at the
+#   moment.
 
 .if !defined(_TESTING_MK_INCLUDED)
 _TESTING_MK_INCLUDED=	yes
 TESTING_Include_MAINTAINER=	portmgr@FreeBSD.org
 
+.  if !defined(TESTING_UNSAFE)
 _TESTING_PACKAGE_DEP=	test
+.  endif
 
 .endif
-