diff --git a/flashbax/buffers/flat_buffer_test.py b/flashbax/buffers/flat_buffer_test.py
index 3692c9b..e541a78 100644
--- a/flashbax/buffers/flat_buffer_test.py
+++ b/flashbax/buffers/flat_buffer_test.py
@@ -78,8 +78,9 @@ def test_sample(
     # Fill buffer to the point that we can sample
     fake_batch = get_fake_batch(fake_transition, int(min_length + 10))
 
+    add_batch_size = int(min_length + 10)
     buffer = flat_buffer.make_flat_buffer(
-        max_length, min_length, sample_batch_size, False, int(min_length + 10)
+        max_length, add_batch_size, sample_batch_size, False, add_batch_size
     )
     state = buffer.init(fake_transition)
 
@@ -224,7 +225,7 @@ def test_flat_replay_buffer_does_not_smoke(
 
     add_batch_size = int(min_length + 5)
     buffer = flat_buffer.make_flat_buffer(
-        max_length, min_length, sample_batch_size, False, add_batch_size
+        max_length, add_batch_size, sample_batch_size, False, add_batch_size
     )
 
     # Initialise the buffer's state.
diff --git a/flashbax/buffers/prioritised_flat_buffer_test.py b/flashbax/buffers/prioritised_flat_buffer_test.py
index e2ec1de..a48f0f7 100644
--- a/flashbax/buffers/prioritised_flat_buffer_test.py
+++ b/flashbax/buffers/prioritised_flat_buffer_test.py
@@ -90,7 +90,7 @@ def test_sample(
     fake_batch = get_fake_batch(fake_transition, add_batch_size)
 
     buffer = prioritised_flat_buffer.make_prioritised_flat_buffer(
-        max_length, min_length, sample_batch_size, False, add_batch_size
+        max_length, add_batch_size, sample_batch_size, False, add_batch_size
     )
     state = buffer.init(fake_transition)
 
@@ -137,7 +137,7 @@ def test_adjust_priorities(
     fake_batch = get_fake_batch(fake_transition, add_batch_size)
     buffer = prioritised_flat_buffer.make_prioritised_flat_buffer(
         max_length,
-        min_length,
+        add_batch_size,
         sample_batch_size,
         False,
         add_batch_size,
@@ -179,7 +179,7 @@ def test_prioritised_flat_buffer_does_not_smoke(
 
     buffer = prioritised_flat_buffer.make_prioritised_flat_buffer(
         max_length,
-        min_length,
+        add_batch_size,
         sample_batch_size,
         False,
         add_batch_size,
@@ -313,7 +313,6 @@ def test_add_sequences(
 
 def test_add_sequences_and_batches(
     fake_transition: chex.ArrayTree,
-    min_length: int,
     max_length: int,
     add_batch_size: int,
     sample_batch_size: int,
@@ -329,7 +328,7 @@ def test_add_sequences_and_batches(
 
     buffer = prioritised_flat_buffer.make_prioritised_flat_buffer(
         max_length,
-        min_length,
+        add_batch_size,
         sample_batch_size,
         add_sequences=True,
         add_batch_size=add_batch_size,
diff --git a/pyproject.toml b/pyproject.toml
index 5a98cb2..580ae0f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,6 @@ include = ["flashbax/*"]
 [tool.pytest.ini_options]
 filterwarnings = [
     "error",
-    "ignore:`sample_sequence_length` greater than `min_length_time_axis`:UserWarning:flashbax",
     "ignore:Setting period greater than sample_sequence_length will result in no overlap betweentrajectories:UserWarning:flashbax",
     "ignore:jax.tree_map is deprecated:DeprecationWarning:flashbax",
 ]