diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 602c165..cf284d4 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -9,14 +9,11 @@
     // ARGS set in ./Dockerfile can be overridden here:
     "args": {}
   },
-  // Set *default* container specific settings.json values on container create.
+  // Default, container-specific settings here are set on container create.
+  // Note: The project's .vscode/settings.json is still the right place
+  // for non-container-specific settings.
   "settings": {
-    // Enable pylance's pyright integration (disabled by default):
-    "python.analysis.typeCheckingMode": "strict",
     "python.defaultInterpreterPath": "/usr/local/bin/python",
-    "python.linting.enabled": true,
-    "python.linting.mypyEnabled": true,
-    "python.linting.pylintEnabled": false,
     "python.formatting.autopep8Path": "/usr/local/py-utils/bin/autopep8",
     "python.formatting.blackPath": "/usr/local/py-utils/bin/black",
     "python.formatting.yapfPath": "/usr/local/py-utils/bin/yapf",
@@ -26,10 +23,9 @@
     "python.linting.pycodestylePath": "/usr/local/py-utils/bin/pycodestyle",
     "python.linting.pydocstylePath": "/usr/local/py-utils/bin/pydocstyle",
     "python.linting.pylintPath": "/usr/local/py-utils/bin/pylint",
-    "python.testing.pytestEnabled": true,
     "esbonio.sphinx.confDir": "${workspaceFolder}/docs",
     "restructuredtext.pythonRecommendation.disabled": true,
-    "terminal.integrated.defaultProfile.linux": "fish",
+    "terminal.integrated.defaultProfile.linux": "fish"
   },
   // Add the IDs of extensions you want installed when the container is created.
   "extensions": [
@@ -43,7 +39,7 @@
     "ms-python.vscode-pylance",
     "mutantdino.resource-monitor",
     "tamasfe.even-better-toml",
-    "trond-snekvik.simple-rst",
+    "trond-snekvik.simple-rst"
   ],
   // Use 'forwardPorts' to make a list of ports inside the container available locally by default.
   // (Even without this, by default VS Code will notice when a process starts listening on an
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index da3d903..a742778 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -27,11 +27,6 @@ repos:
       - id: codespell
         args: ["--uri-ignore-words-list", "*"]  # https://github.com/codespell-project/codespell/issues/2473
 
-  - repo: https://github.com/RobertCraigie/pyright-python
-    rev: v1.1.285
-    hooks:
-      - id: pyright
-
   - repo: https://github.com/pre-commit/mirrors-mypy
     rev: v0.991
     hooks:
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 0000000..7fbf10a
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,11 @@
+// vim: set ft=json5
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=827846 to learn about workspace recommendations.
+    "recommendations": [
+      "charliermarsh.ruff",
+      // "tamasfe.even-better-toml",
+      // "lextudio.restructuredtext",
+      // "trond-snekvik.simple-rst",
+    ],
+    "unwantedRecommendations": [],
+}
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..b6a938f
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,10 @@
+// vim: set ft=json5
+{
+    "files.insertFinalNewline": true,
+    "files.trimFinalNewlines": true,
+    "files.trimTrailingWhitespace": true,
+    // Prefer mypy over Pyright:
+    "python.analysis.typeCheckingMode": "off",
+    "python.linting.mypyEnabled": true,
+    "python.testing.pytestEnabled": true,
+}
diff --git a/bidict/_iter.py b/bidict/_iter.py
index a74d2fd..84392db 100644
--- a/bidict/_iter.py
+++ b/bidict/_iter.py
@@ -16,7 +16,7 @@ from ._typing import KT, VT, IterItems, MapOrIterItems
 
 def iteritems_mapping_or_iterable(arg: MapOrIterItems[KT, VT]) -> IterItems[KT, VT]:
     """Yield the items in *arg* based on whether it's a mapping."""
-    yield from arg.items() if isinstance(arg, t.Mapping) else arg  # pyright: ignore
+    yield from arg.items() if isinstance(arg, t.Mapping) else arg
 
 
 def iteritems(__arg: MapOrIterItems[KT, VT], **kw: VT) -> IterItems[KT, VT]:
diff --git a/docs/thanks.rst b/docs/thanks.rst
index 49a3efe..f973935 100644
--- a/docs/thanks.rst
+++ b/docs/thanks.rst
@@ -53,7 +53,6 @@ Projects
 - `Sphinx <https://www.sphinx-doc.org>`__
 - `Readthedocs <https://readthedocs.org>`__
 - `mypy <https://mypy.readthedocs.io>`__
-- `pyright <https://github.com/microsoft/pyright>`__
 - `ruff <https://github.com/charliermarsh/ruff>`__
 - `Flake8 <https://flake8.pycqa.org>`__
 - `Pylint <https://www.pylint.org>`__
diff --git a/pyrightconfig.json b/pyrightconfig.json
deleted file mode 100644
index 8611eeb..0000000
--- a/pyrightconfig.json
+++ /dev/null
@@ -1,17 +0,0 @@
-// vim: set ft=json5:
-{
-  "exclude": [
-    "docs",
-    "tests",
-    "run_tests.py",
-  ],
-  "typeCheckingMode": "strict",
-  // https://github.com/microsoft/pyright/blob/main/docs/configuration.md#diagnostic-rule-defaults
-  "reportGeneralTypeIssues": "warning",
-  "reportPrivateUsage": "warning",
-  "reportUnknownArgumentType": "warning",
-  "reportUnknownMemberType": "warning",
-  "reportUnknownVariableType": "warning",
-  "reportUnnecessaryIsInstance": "warning",
-  "reportUnnecessaryTypeIgnoreComment": "warning",
-}