From 68deffc952297f3c025cae7ad5604ba38ce3ba8f Mon Sep 17 00:00:00 2001
From: Oliver Ruebel <oruebel@lbl.gov>
Date: Thu, 6 Feb 2025 20:43:57 -0800
Subject: [PATCH] Removed NWBBaseTypeMapper.get_nwb_file

---
 CHANGELOG.md         |  2 +-
 src/pynwb/ecephys.py |  2 +-
 src/pynwb/io/core.py | 11 +----------
 3 files changed, 3 insertions(+), 12 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 339754aa4..acdb3ece1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,7 @@
 ## PyNWB 3.0.0 (Upcoming)
 
 ### Breaking changes
-- Removed unused functions `prepend_string` and `_not_parent` from `core.py` and `file.py` @oruebel [#2032](https://github.com/NeurodataWithoutBorders/pynwb/pull/2031)
+- Removed unused functions `prepend_string` and `_not_parent` in `core.py`, `_not_parent` in `file.py`, and `NWBBaseTypeMapper.get_nwb_file` in `io/core.py` @oruebel [#2032](https://github.com/NeurodataWithoutBorders/pynwb/pull/2031)
 
 ### Enhancements and minor changes
 - Added `pynwb.read_nwb` convenience method to simplify reading an NWBFile written with any backend @h-mayorquin [#1994](https://github.com/NeurodataWithoutBorders/pynwb/pull/1994)
diff --git a/src/pynwb/ecephys.py b/src/pynwb/ecephys.py
index af8048fb8..a80536462 100644
--- a/src/pynwb/ecephys.py
+++ b/src/pynwb/ecephys.py
@@ -200,7 +200,7 @@ class EventWaveform(MultiContainerInterface):
     }
 
     def __init__(self, **kwargs):
-        if not self._in_construct_mode:
+        if not self._in_construct_mode: # pragma: no cover
             raise ValueError(
                 "The EventWaveform neurodata type is deprecated. If you are interested in using it, "
                 "please create an issue on https://github.com/NeurodataWithoutBorders/nwb-schema/issues."
diff --git a/src/pynwb/io/core.py b/src/pynwb/io/core.py
index 0e0378c58..90f06659e 100644
--- a/src/pynwb/io/core.py
+++ b/src/pynwb/io/core.py
@@ -6,21 +6,12 @@
 
 from .. import register_map
 
-from pynwb.file import NWBFile
 from pynwb.core import NWBData, NWBContainer, ScratchData
 from pynwb.misc import Units
 
 
 class NWBBaseTypeMapper(ObjectMapper):
-
-    @staticmethod
-    def get_nwb_file(container):
-        curr = container
-        while curr is not None:
-            if isinstance(curr, NWBFile):
-                return curr
-            curr = container.parent
-
+    pass
 
 @register_map(NWBContainer)
 class NWBContainerMapper(NWBBaseTypeMapper):