lint: Remove confusing, redundant, and brittle lint-spelling

diff --git a/ci/lint/01_install.sh b/ci/lint/01_install.sh
index fc422675..0cf9fbb4 100755
--- a/ci/lint/01_install.sh
+++ b/ci/lint/01_install.sh
@@ -40,7 +40,6 @@ command -v python3
 python3 --version
 
 ${CI_RETRY_EXE} pip3 install \
-  codespell==2.4.1 \
   lief==0.16.6 \
   mypy==1.18.2 \
   pyzmq==27.1.0 \
diff --git a/test/lint/README.md b/test/lint/README.md
index 1858a2c0..e28eda1f 100644
--- a/test/lint/README.md
+++ b/test/lint/README.md
@@ -50,7 +50,6 @@ or `--help`:
 | [`lint-python.py`](/test/lint/lint-python.py) | [pyzmq](https://github.com/zeromq/pyzmq)
 | [`lint-python-dead-code.py`](/test/lint/lint-python-dead-code.py) | [vulture](https://github.com/jendrikseipp/vulture)
 | [`lint-shell.py`](/test/lint/lint-shell.py) | [ShellCheck](https://github.com/koalaman/shellcheck)
-| [`lint-spelling.py`](/test/lint/lint-spelling.py) | [codespell](https://github.com/codespell-project/codespell)
 | `py_lint` | [ruff](https://github.com/astral-sh/ruff)
 | markdown link check | [mlc](https://github.com/becheran/mlc)
 
diff --git a/test/lint/lint-spelling.py b/test/lint/lint-spelling.py
deleted file mode 100755
index cd34162c..00000000
--- a/test/lint/lint-spelling.py
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env python3
-#
-# Copyright (c) 2022-present The Bitcoin Core developers
-# Distributed under the MIT software license, see the accompanying
-# file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-"""
-Warn in case of spelling errors.
-Note: Will exit successfully regardless of spelling errors.
-"""
-
-from subprocess import check_output, STDOUT, CalledProcessError
-
-from lint_ignore_dirs import SHARED_EXCLUDED_SUBTREES
-
-IGNORE_WORDS_FILE = 'test/lint/spelling.ignore-words.txt'
-FILES_ARGS = ['git', 'ls-files', '--', ":(exclude)contrib/seeds/*.txt", ":(exclude)depends/", ":(exclude)doc/release-notes/", ":(exclude)src/qt/locale/", ":(exclude)src/qt/*.qrc", ":(exclude)contrib/guix/patches"]
-FILES_ARGS += [f":(exclude){dir}" for dir in SHARED_EXCLUDED_SUBTREES]
-
-
-def check_codespell_install():
-    try:
-        check_output(["codespell", "--version"])
-    except FileNotFoundError:
-        print("Skipping spell check linting since codespell is not installed.")
-        exit(0)
-
-
-def main():
-    check_codespell_install()
-
-    files = check_output(FILES_ARGS, text=True).splitlines()
-    codespell_args = ['codespell', '--check-filenames', '--disable-colors', '--quiet-level=7', '--ignore-words={}'.format(IGNORE_WORDS_FILE)] + files
-
-    try:
-        check_output(codespell_args, stderr=STDOUT, text=True)
-    except CalledProcessError as e:
-        print(e.output, end="")
-        print('^ Warning: codespell identified likely spelling errors. Any false positives? Add them to the list of ignored words in {}'.format(IGNORE_WORDS_FILE))
-
-
-if __name__ == "__main__":
-    main()
diff --git a/test/lint/spelling.ignore-words.txt b/test/lint/spelling.ignore-words.txt
deleted file mode 100644
index fe08eabe..00000000
--- a/test/lint/spelling.ignore-words.txt
+++ /dev/null
@@ -1,29 +0,0 @@
-afile
-amountIn
-anc
-blockin
-bu
-cachable
-clen
-debbugs
-deques
-fo
-hashIn
-hights
-incomin
-invokable
-lief
-mor
-nd
-nin
-ot
-outIn
-requestor
-ser
-siz
-stap
-unparseable
-unser
-useable
-viewIn
-wit
\ No newline at end of file