diff --git a/tools/lib/logreader.py b/tools/lib/logreader.py
index 7a66ff1b1..36338f69c 100755
--- a/tools/lib/logreader.py
+++ b/tools/lib/logreader.py
@@ -12,7 +12,6 @@ import urllib.parse
 import warnings
 import zstandard as zstd
 
-os.environ["CEREAL_INCLUDE_DEPRECATED"] = "1"
 
 from collections.abc import Callable, Iterable, Iterator
 from urllib.parse import parse_qs, urlparse