diff --git a/crates/ml-backtesting/tests/decision_floor_coldstart.rs b/crates/ml-backtesting/tests/decision_floor_coldstart.rs
index 25a6cfd7f..80355e67a 100644
--- a/crates/ml-backtesting/tests/decision_floor_coldstart.rs
+++ b/crates/ml-backtesting/tests/decision_floor_coldstart.rs
@@ -44,6 +44,7 @@ fn cfg_uniform(n: usize, kelly: f32, sharpe: f32) -> BatchedSimConfig {
         // weight denominator. 1.0 is a typical futures round-trip cost.
         cost_per_lot_per_side:   1.0,
         max_hold_ns:             0,
+        delta_floor:             0.0,
         min_reasonable_px:       0.0,
         max_reasonable_px:       f32::INFINITY,
     })
diff --git a/crates/ml-backtesting/tests/lob_sim_integrated_fuzz.rs b/crates/ml-backtesting/tests/lob_sim_integrated_fuzz.rs
index d8bae9167..88885b7dc 100644
--- a/crates/ml-backtesting/tests/lob_sim_integrated_fuzz.rs
+++ b/crates/ml-backtesting/tests/lob_sim_integrated_fuzz.rs
@@ -132,6 +132,7 @@ fn run_integrated_fuzz(n_backtests: usize, n_events: usize, seed: u64) -> Result
                     threshold:               0.0,
                     cost_per_lot_per_side:   0.0,
                     max_hold_ns:             0,
+                    delta_floor:             0.0,
                     min_reasonable_px:       0.0,
                     max_reasonable_px:       f32::INFINITY,
                 },
diff --git a/crates/ml-backtesting/tests/parallel_sim_correctness.rs b/crates/ml-backtesting/tests/parallel_sim_correctness.rs
index 5ed0a60b0..cd0891c31 100644
--- a/crates/ml-backtesting/tests/parallel_sim_correctness.rs
+++ b/crates/ml-backtesting/tests/parallel_sim_correctness.rs
@@ -38,6 +38,7 @@ fn parallel_sim_equivalence_with_uniform_config() -> Result<()> {
             // round-trip cost.
             cost_per_lot_per_side:   1.0,
             max_hold_ns:             0,
+            delta_floor:             0.0,
             min_reasonable_px:       0.0,
             max_reasonable_px:       f32::INFINITY,
         },