diff --git a/.github/scripts/report-scheduled-failure.sh b/.github/scripts/report-scheduled-failure.sh
index 1a0f5f7..855c6ff 100755
--- a/.github/scripts/report-scheduled-failure.sh
+++ b/.github/scripts/report-scheduled-failure.sh
@@ -19,7 +19,7 @@ if [ -z "$existing" ]; then
   body=$(printf '%s\n\n%s\n\n%s\n\n%s' \
     "The scheduled dependency check failed." \
     "First failing run: ${RUN_URL}" \
-    "Likely cause: a transitive dev or lint dependency (ruff, ty, eof-fixer, pytest, typing-extensions) released a breaking change. Reproduce locally with \`just install\` then \`just lint\` and \`just test\`." \
+    "Likely cause: a transitive dev or lint dependency (ruff, ty, eof-fixer, pytest) released a breaking change. Reproduce locally with \`just install\` then \`just lint\` and \`just test\`." \
     "Close this issue once fixed. The next scheduled failure will open a fresh issue.")
   gh issue create --title "$TITLE" --label "$LABEL" --body "$body"
 else
diff --git a/pyproject.toml b/pyproject.toml
index b4cfb5c..4c54b41 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,6 @@ lint = [
     "ty",
     "ruff",
     "eof-fixer",
-    "typing-extensions",
 ]
 
 [build-system]