diff --git a/scripts/eval/_ast_equiv.py b/scripts/eval/_ast_equiv.py
index 893efd2..6199c73 100644
--- a/scripts/eval/_ast_equiv.py
+++ b/scripts/eval/_ast_equiv.py
@@ -100,7 +100,7 @@ def _has_tree_sitter() -> bool:
     path independently of the host environment.
     """
     try:
-        import tree_sitter  # type: ignore[import-not-found]  # noqa: F401
+        import tree_sitter  # noqa: F401
 
         return True
     except ImportError:
diff --git a/tests/eval/unit/test_r2_meta.py b/tests/eval/unit/test_r2_meta.py
index f66aa1d..524f6cd 100644
--- a/tests/eval/unit/test_r2_meta.py
+++ b/tests/eval/unit/test_r2_meta.py
@@ -13,6 +13,7 @@
 import pytest
 import yaml
 from pydantic import ValidationError
+from pytest_mock import MockerFixture
 
 from scripts.eval._schemas import SampleMeta
 
@@ -60,7 +61,7 @@ def test_TB_U_07_tier_below_range_rejected() -> None:
     assert "greater_than_equal" in str(exc.value) or ">=" in str(exc.value)
 
 
-def test_TB_U_04_from_merge_ref_derivation(mocker) -> None:
+def test_TB_U_04_from_merge_ref_derivation(mocker: MockerFixture) -> None:
     """Mock subprocess.run to verify the 4-ref derivation rule:
 
         base = git merge-base ^1 ^2
@@ -71,7 +72,9 @@ def test_TB_U_04_from_merge_ref_derivation(mocker) -> None:
     (sample_import.py:11-21 docstring contract; locks v1 [plan] §C1)
     """
 
-    def fake_git_run(cmd, **kwargs):
+    def fake_git_run(
+        cmd: list[str] | str, **kwargs: object
+    ) -> subprocess.CompletedProcess[str]:
         args = cmd if isinstance(cmd, list) else cmd.split()
         verb_idx = next(i for i, a in enumerate(args) if a == "git") + 3
         verb = args[verb_idx]
diff --git a/tests/eval/unit/test_r2_sha_lock.py b/tests/eval/unit/test_r2_sha_lock.py
index ac38cc0..43cdec9 100644
--- a/tests/eval/unit/test_r2_sha_lock.py
+++ b/tests/eval/unit/test_r2_sha_lock.py
@@ -11,10 +11,12 @@
 import json
 from pathlib import Path
 
+import pytest
+
 from tests.eval.manifests import _r2_sha
 
 
-def test_TB_U_05_lock_round_trip_matches_disk(tmp_path) -> None:
+def test_TB_U_05_lock_round_trip_matches_disk(tmp_path: Path) -> None:
     """Build lock entries, write them, then re-verify — must report match."""
     # use real on-disk samples; manifest may live in tmp_path so we don't
     # disturb the committed lock.
@@ -30,7 +32,9 @@ def test_TB_U_05_lock_round_trip_matches_disk(tmp_path) -> None:
     assert rc_verify == 0
 
 
-def test_TB_U_08_tampered_sample_reports_mismatch(tmp_path, capsys) -> None:
+def test_TB_U_08_tampered_sample_reports_mismatch(
+    tmp_path: Path, capsys: pytest.CaptureFixture[str]
+) -> None:
     """Copy r2-0001 to tmp, tamper meta.yaml, lock then alter — verify fails."""
     repo_root = Path(__file__).resolve().parents[3]
     src = repo_root / "tests" / "eval" / "datasets" / "r2" / "samples"
diff --git a/tests/unit/test_cleanup_residue.py b/tests/unit/test_cleanup_residue.py
index 94be127..fde0fd0 100644
--- a/tests/unit/test_cleanup_residue.py
+++ b/tests/unit/test_cleanup_residue.py
@@ -78,7 +78,7 @@ def test_docs_no_no_tui_except_deprecation_note() -> None:
 
     Scanned: CLAUDE.md, README*.md, doc/*.md (recursive).
     Excluded:
-      - doc/web-ui-redesign-handoff.md — frozen historical record
+      - doc/modules/web-ui-redesign-handoff.md — frozen historical record
       - doc/test-report/** — historical test reports
       - docs/web-ui-redesign-tests.md — test matrix references --no-tui for
         historical context (location pointer for the cleanup)
@@ -90,7 +90,7 @@ def test_docs_no_no_tui_except_deprecation_note() -> None:
             candidates.append(path)
 
     excluded_paths = {
-        REPO_ROOT / "doc" / "web-ui-redesign-handoff.md",
+        REPO_ROOT / "doc" / "modules" / "web-ui-redesign-handoff.md",
         REPO_ROOT / "docs" / "web-ui-redesign-tests.md",
     }
     for doc_root in (REPO_ROOT / "doc", REPO_ROOT / "docs"):