diff --git a/tests/kafkatest/tests/inkless/consolidation_dependency_outage_test.py b/tests/kafkatest/tests/inkless/consolidation_dependency_outage_test.py
index 6222202076f..b66ee812658 100644
--- a/tests/kafkatest/tests/inkless/consolidation_dependency_outage_test.py
+++ b/tests/kafkatest/tests/inkless/consolidation_dependency_outage_test.py
@@ -91,7 +91,7 @@ def test_dependency_outage_during_produce(self, metadata_quorum, dependency):
                         "diskless.enable": "true",
                         "remote.storage.enable": "true",
                         "min.insync.replicas": 2,
-                        "segment.bytes": 1048576,
+                        "segment.bytes": 2097152,
                         "segment.ms": 5000,
                         "local.retention.ms": 5000,
                     },
diff --git a/tests/kafkatest/tests/inkless/consolidation_pipeline_test.py b/tests/kafkatest/tests/inkless/consolidation_pipeline_test.py
index 9de9ddb54f3..3115da252a3 100644
--- a/tests/kafkatest/tests/inkless/consolidation_pipeline_test.py
+++ b/tests/kafkatest/tests/inkless/consolidation_pipeline_test.py
@@ -75,8 +75,7 @@ def test_consolidation_pipeline(self, metadata_quorum):
                         "diskless.enable": "true",
                         "remote.storage.enable": "true",
                         "min.insync.replicas": 2,
-                        # Roll segments by size/time so they close and get tiered.
-                        "segment.bytes": 1048576,
+                        "segment.bytes": 2097152,
                         "segment.ms": 5000,
                     },
                 },
diff --git a/tests/kafkatest/tests/inkless/consolidation_read_from_remote_after_prune_test.py b/tests/kafkatest/tests/inkless/consolidation_read_from_remote_after_prune_test.py
index b46b5a23b5d..724b6c51b09 100644
--- a/tests/kafkatest/tests/inkless/consolidation_read_from_remote_after_prune_test.py
+++ b/tests/kafkatest/tests/inkless/consolidation_read_from_remote_after_prune_test.py
@@ -75,8 +75,7 @@ def test_read_from_remote_after_prune(self, metadata_quorum):
                         "diskless.enable": "true",
                         "remote.storage.enable": "true",
                         "min.insync.replicas": 2,
-                        # Roll segments by size/time so they close and get tiered.
-                        "segment.bytes": 1048576,
+                        "segment.bytes": 2097152,
                         "segment.ms": 5000,
                         # Evict local segments soon after upload so data lives in
                         # remote before the wipe.
diff --git a/tests/kafkatest/tests/inkless/consolidation_retention_across_tiers_test.py b/tests/kafkatest/tests/inkless/consolidation_retention_across_tiers_test.py
index 80bdd6a4deb..e12713f65c0 100644
--- a/tests/kafkatest/tests/inkless/consolidation_retention_across_tiers_test.py
+++ b/tests/kafkatest/tests/inkless/consolidation_retention_across_tiers_test.py
@@ -131,8 +131,7 @@ def _start_cluster(self):
                         "diskless.enable": "true",
                         "remote.storage.enable": "true",
                         "min.insync.replicas": 2,
-                        # Roll segments by size/time so they close and get tiered.
-                        "segment.bytes": 1048576,
+                        "segment.bytes": 2097152,
                         "segment.ms": 5000,
                         # Evict local segments soon after upload so the early prefix
                         # lives only in remote -- retention must then reclaim remote.
diff --git a/tests/kafkatest/tests/inkless/inkless_topic_switch_test.py b/tests/kafkatest/tests/inkless/inkless_topic_switch_test.py
index ef8dfc19b3f..104ee7c950d 100644
--- a/tests/kafkatest/tests/inkless/inkless_topic_switch_test.py
+++ b/tests/kafkatest/tests/inkless/inkless_topic_switch_test.py
@@ -284,8 +284,7 @@ def _create_classic_tiered_topic(self, topic, num_partitions=1):
             "configs": {
                 "remote.storage.enable": "true",
                 "min.insync.replicas": 1,
-                # 1 MiB is the enforced minimum for segment.bytes.
-                "segment.bytes": 1048576,
+                "segment.bytes": 2097152,
                 # Force a roll every 2s regardless of segment fill, so that
                 # produced records flow through closed segments quickly.
                 "segment.ms": 2000,