diff --git a/pandas/core/arrays/datetimes.py b/pandas/core/arrays/datetimes.py
index 931f19a7901bd..e4862ac1030b6 100644
--- a/pandas/core/arrays/datetimes.py
+++ b/pandas/core/arrays/datetimes.py
@@ -767,17 +767,6 @@ def _format_native_types(
     # -----------------------------------------------------------------
     # Comparison Methods
 
-    def _has_same_tz(self, other) -> bool:
-        # vzone shouldn't be None if value is non-datetime like
-        if isinstance(other, np.datetime64):
-            # convert to Timestamp as np.datetime64 doesn't have tz attr
-            other = Timestamp(other)
-
-        if not hasattr(other, "tzinfo"):
-            return False
-        other_tz = other.tzinfo
-        return timezones.tz_compare(self.tzinfo, other_tz)
-
     def _assert_tzawareness_compat(self, other) -> None:
         # adapted from _Timestamp._assert_tzawareness_compat
         other_tz = getattr(other, "tzinfo", None)
diff --git a/pandas/core/config_init.py b/pandas/core/config_init.py
index 1a5d0842d6eee..46c9139c3456c 100644
--- a/pandas/core/config_init.py
+++ b/pandas/core/config_init.py
@@ -95,11 +95,6 @@ def use_numba_cb(key: str) -> None:
     to ``precision`` in :meth:`numpy.set_printoptions`.
 """
 
-pc_colspace_doc = """
-: int
-    Default space for DataFrame columns.
-"""
-
 pc_max_rows_doc = """
 : int
     If max_rows is exceeded, switch to truncate view. Depending on
@@ -205,11 +200,6 @@ def use_numba_cb(key: str) -> None:
     Enabling this may affect to the performance (default: False)
 """
 
-pc_ambiguous_as_wide_doc = """
-: boolean
-    Whether to handle Unicode characters belong to Ambiguous as Wide (width=2)
-    (default: False)
-"""
 
 pc_table_schema_doc = """
 : boolean
diff --git a/pandas/core/generic.py b/pandas/core/generic.py
index d46fdffdd5e23..c9e6ffe1d7dc6 100644
--- a/pandas/core/generic.py
+++ b/pandas/core/generic.py
@@ -4242,12 +4242,6 @@ def get(self, key, default=None):
         except (KeyError, ValueError, IndexError):
             return default
 
-    @final
-    @property
-    def _is_view(self) -> bool:
-        """Return boolean indicating if self is view of another array"""
-        return self._mgr.is_view
-
     @staticmethod
     def _check_copy_deprecation(copy):
         if copy is not lib.no_default: