diff --git a/test/excludes/Psych/TestDateTime.rb b/test/excludes/Psych/TestDateTime.rb
deleted file mode 100644
index 63d99be809..0000000000
--- a/test/excludes/Psych/TestDateTime.rb
+++ /dev/null
@@ -1,4 +0,0 @@
-exclude(:test_new_datetime, <<MSG)
-Undefined behavior of YAML spec, no definitions for pre Gregorian dates.
-https://github.com/yaml/yaml/issues/69
-MSG