diff --git a/cardano_node_tests/utils/configuration.py b/cardano_node_tests/utils/configuration.py
index 31c98c0a3..13fb44ff1 100644
--- a/cardano_node_tests/utils/configuration.py
+++ b/cardano_node_tests/utils/configuration.py
@@ -56,7 +56,7 @@
     raise RuntimeError(msg)
 
 COMMAND_ERA = os.environ.get("COMMAND_ERA") or ""
-if COMMAND_ERA not in ("", "shelley", "allegra", "mary", "alonzo", "babbage", "conway", "latest"):
+if COMMAND_ERA not in ("", "latest", "conway"):
     msg = f"Invalid COMMAND_ERA: {COMMAND_ERA}"
     raise RuntimeError(msg)