diff --git a/pandas/_libs/tslib.pyx b/pandas/_libs/tslib.pyx
index 50e0b77c6d3a0..8fbc606ccdfe2 100644
--- a/pandas/_libs/tslib.pyx
+++ b/pandas/_libs/tslib.pyx
@@ -829,8 +829,6 @@ class NaTType(_NaT):
         cdef _NaT base
 
         base = _NaT.__new__(cls, 1, 1, 1)
-        base._day = -1
-        base._month = -1
         base.value = NPY_NAT
 
         return base