diff --git a/Examples/test-suite/php/Makefile.in b/Examples/test-suite/php/Makefile.in
index 6a2a4590b..9e34ccc3d 100644
--- a/Examples/test-suite/php/Makefile.in
+++ b/Examples/test-suite/php/Makefile.in
@@ -26,6 +26,13 @@ C_TEST_CASES += \
 	li_cdata_carrays \
 	multivalue \
 
+# These fail with PHP8 currently.  Aiming to fix before 4.1 release.  See #2181.
+FAILING_CPP_TESTS = \
+	director_redefined \
+	director_using_member_scopes \
+	using_composition \
+	using_extend \
+
 include $(srcdir)/../common.mk
 
 # Overridden variables here