diff --git a/pandas/core/generic.py b/pandas/core/generic.py
index 508fa14a325b3..6d55f92167d3b 100644
--- a/pandas/core/generic.py
+++ b/pandas/core/generic.py
@@ -7420,7 +7420,6 @@ def _where(self, cond, other=np.nan, inplace=False, axis=None, level=None,
             if other.ndim <= self.ndim:
 
                 _, other = self.align(other, join='left', axis=axis,
-                                      # XXX
                                       level=level, fill_value=np.nan)
 
                 # if we are NOT aligned, raise as we cannot where index
diff --git a/pandas/core/series.py b/pandas/core/series.py
index 0c2eb40567c55..0d7288edac5d3 100644
--- a/pandas/core/series.py
+++ b/pandas/core/series.py
@@ -3216,10 +3216,8 @@ def _reindex_indexer(self, new_index, indexer, copy):
                 return self.copy()
             return self
 
-        # TODO: determine if we want EA to handle fill_value=None
-        # if not, then we have to determine this here.
         new_values = algorithms.take_1d(self._values, indexer,
-                                        fill_value=None, allow_fill=True)
+                                        allow_fillTrue, fill_value=None)
         return self._constructor(new_values, index=new_index)
 
     def _needs_reindex_multi(self, axes, method, level):