diff --git a/litellm/litellm_core_utils/redact_messages.py b/litellm/litellm_core_utils/redact_messages.py
index e91acaa97ca..0d590e1ceba 100644
--- a/litellm/litellm_core_utils/redact_messages.py
+++ b/litellm/litellm_core_utils/redact_messages.py
@@ -258,13 +258,6 @@ def perform_redaction(model_call_details: dict, result, redact_streaming_respons
             # For async objects, return a simple redacted response without deepcopy
             return {"text": "redacted-by-litellm"}
 
-        # Only the shapes handled below can be redacted; every other type falls through
-        # to the placeholder return at the end of this block, which discards the copy.
-        # Deciding that before copying keeps the deepcopy off objects it cannot help:
-        # binary/HTTP response bodies (batch output, file content) hold an unpicklable
-        # `_thread.lock` and raise TypeError here, which aborts success logging and every
-        # spend callback with it, and a large batch body would be copied only to be thrown
-        # away.
         if not (
             isinstance(result, (litellm.ModelResponse, litellm.ResponsesAPIResponse, litellm.EmbeddingResponse))
             or (isinstance(result, dict) and ("choices" in result or "output" in result))
diff --git a/tests/test_litellm/litellm_core_utils/test_redact_messages.py b/tests/test_litellm/litellm_core_utils/test_redact_messages.py
index 88d2a95dd4f..8fa6d44dd8a 100644
--- a/tests/test_litellm/litellm_core_utils/test_redact_messages.py
+++ b/tests/test_litellm/litellm_core_utils/test_redact_messages.py
@@ -688,9 +688,9 @@ class TestPerformRedaction:
 
         Binary/HTTP response bodies (batch output, file content, audio) hold an
         unpicklable ``_thread.lock``. Copying one raises TypeError inside
-        ``Logging.success_handler``, which aborts every success callback with it - so the
-        spend row for a completed batch is never written. The copy is also pointless:
-        an unrecognized shape returns the placeholder and the copy is discarded.
+        ``Logging.success_handler``, which aborts the handler body at the redaction call so
+        everything after it is skipped. The copy is also pointless: an unrecognized shape
+        returns the placeholder and the copy is discarded.
 
         The lock is the assertion. If a deepcopy is ever reintroduced ahead of the type
         check, this raises instead of returning.