diff --git a/src/youdotcom/sdk.py b/src/youdotcom/sdk.py
index 585b673..eebd0d4 100644
--- a/src/youdotcom/sdk.py
+++ b/src/youdotcom/sdk.py
@@ -122,7 +122,7 @@ def _build_search_request(
     if strip_crawl_timeout and crawl_timeout is not None:
         # Resolved inside the branch so the common path never forces
         # ``models.SearchRequestBody`` to load (the lazy package root is what
-        # keeps ``import youdotcom`` transport-free -- see DX-776).
+        # keeps ``import youdotcom`` transport-free).
         #
         # astroid cannot infer attributes through the PEP 562 ``__getattr__``
         # in ``models/__init__.py``, so it types ``model_fields`` as an
diff --git a/tests/test_attribution.py b/tests/test_attribution.py
index 3a5dc1e..869dd12 100644
--- a/tests/test_attribution.py
+++ b/tests/test_attribution.py
@@ -394,7 +394,7 @@ def test_caller_supplied_http_headers_override_case_insensitive(self):
 class TestMcpAttributionNeverSent:
     """The SDK must never emit ``X-MCP-Attribution``.
 
-    Per DX-777: that header is assembled on the MCP server, which is the only
+    That header is assembled on the MCP server, which is the only
     layer that can populate its ``keyless`` / ``payment`` / ``ip`` flags. The
     SDK sits outside Cloudflare and has no ``CF-Connecting-IP`` to read, so
     emitting it here would fabricate routing flags that the downstream
diff --git a/tests/test_live.py b/tests/test_live.py
index 1be5b40..2f8d320 100644
--- a/tests/test_live.py
+++ b/tests/test_live.py
@@ -1056,7 +1056,7 @@ async def test_async_answer(self, you_client):
 
 @requires_api_key
 class TestLiveAttribution:
-    """The ``X-Client-Info`` header on real requests (DX-777).
+    """The ``X-Client-Info`` header on real requests.
 
     The mock-transport tests in ``tests/test_attribution.py`` pin the wire
     format; what they cannot show is that the real API *accepts* the header.
diff --git a/tests/test_page_age.py b/tests/test_page_age.py
index 545046b..4516516 100644
--- a/tests/test_page_age.py
+++ b/tests/test_page_age.py
@@ -1,4 +1,4 @@
-"""Tolerance of non-ISO ``page_age`` values on search and news results (DX-815).
+"""Tolerance of non-ISO ``page_age`` values on search and news results.
 
 The spec types ``page_age`` as ``format: date-time``, but a US-locale
 timestamp (``7/29/2024 10:38:56 AM``) was observed in production. Pydantic rejected it,
diff --git a/tests/test_performance.py b/tests/test_performance.py
index 4baa604..c1244fa 100644
--- a/tests/test_performance.py
+++ b/tests/test_performance.py
@@ -499,7 +499,7 @@ def call():
 
     # ----------------------------------------------------------------
     # Extraction-mode performance cases parallel the livecrawl cases.
-    # DX-719 added these alongside the legacy livecrawl cases (the
+    # These were added alongside the legacy livecrawl cases (the
     # legacy cases remain because `livecrawl` is supported until 4.0.0).
     # ----------------------------------------------------------------
 
diff --git a/tests/test_researchtaskstreamevent.py b/tests/test_researchtaskstreamevent.py
index 45bacae..3a1fb0e 100644
--- a/tests/test_researchtaskstreamevent.py
+++ b/tests/test_researchtaskstreamevent.py
@@ -188,7 +188,7 @@ def test_typed_dict_annotation_matches_model(self) -> None:
 
 
 class TestStreamDecodePath:
-    """End-to-end pin through the real SSE decode path (DX-778).
+    """End-to-end pin through the real SSE decode path.
 
     The tests above validate the model directly. That is not the path a caller
     exercises: ``stream_research_task`` wraps every SSE frame in
@@ -202,7 +202,7 @@ class TestStreamDecodePath:
     _FRAMES = [
         b"id: 0\nevent: connected\ndata: "
         b'{"type":"connected","task_id":"abc","status":"running"}\n\n',
-        # Not in the Event enum -- the exact case DX-778 is about.
+        # Not in the Event enum -- the exact case this class is about.
         b"id: 1\nevent: research.searching\ndata: "
         b'{"type":"research.searching","task_id":"abc","status":"running"}\n\n',
         b"id: 2\nevent: checkpoint\ndata: "