diff --git a/test_runner/regress/test_pg_regress.py b/test_runner/regress/test_pg_regress.py
index df243c13f1..d2a78b16e4 100644
--- a/test_runner/regress/test_pg_regress.py
+++ b/test_runner/regress/test_pg_regress.py
@@ -375,12 +375,8 @@ def test_tx_abort_with_many_relations(
 
     # How many relations: this number is tuned to be long enough to take tens of seconds
     # if the rollback code path is buggy, tripping the test's timeout.
-    if reldir_type == "v1":
-        n = 4000
-        step = 4000
-    else:
-        n = 20000
-        step = 5000
+    n = 5000
+    step = 2500
 
     def create():
         # Create many relations