diff --git a/pandas/_libs/interval.pyx b/pandas/_libs/interval.pyx
index 1166768472449..08daedf5e5096 100644
--- a/pandas/_libs/interval.pyx
+++ b/pandas/_libs/interval.pyx
@@ -401,11 +401,6 @@ cdef class Interval(IntervalMixin):
             return Interval(y.left * self, y.right * self, closed=y.closed)
         return NotImplemented
 
-    def __div__(self, y):
-        if isinstance(y, numbers.Number):
-            return Interval(self.left / y, self.right / y, closed=self.closed)
-        return NotImplemented
-
     def __truediv__(self, y):
         if isinstance(y, numbers.Number):
             return Interval(self.left / y, self.right / y, closed=self.closed)
diff --git a/pandas/_libs/tslibs/nattype.pyx b/pandas/_libs/tslibs/nattype.pyx
index 2f972a3153e5e..fe447f57974fe 100644
--- a/pandas/_libs/tslibs/nattype.pyx
+++ b/pandas/_libs/tslibs/nattype.pyx
@@ -215,9 +215,6 @@ cdef class _NaT(datetime):
     def __neg__(self):
         return NaT
 
-    def __div__(self, other):
-        return _nat_divide_op(self, other)
-
     def __truediv__(self, other):
         return _nat_divide_op(self, other)