diff --git a/.markdownlint-cli2.yaml b/.markdownlint-cli2.yaml
index b0159b5f..c248cb45 100644
--- a/.markdownlint-cli2.yaml
+++ b/.markdownlint-cli2.yaml
@@ -13,3 +13,4 @@ ignores:
   - ".github/**"
   - "venv/**"
   - ".venv/**"
+  - "**/testdata/**"
diff --git a/.spellcheck.yml b/.spellcheck.yml
index 36dc7e40..f4edd131 100644
--- a/.spellcheck.yml
+++ b/.spellcheck.yml
@@ -8,7 +8,7 @@ matrix:
     camel-case: true
     mode: markdown
   sources:
-  - "**/*.md|!.tox/**|!venv/**"
+  - "**/*.md|!.tox/**|!venv/**|!**/testdata/**"
   dictionary:
     wordlists:
     - .spellcheck-en-custom.txt