diff --git a/ml/tests/kelly_position_sizing_integration.rs b/ml/tests/kelly_position_sizing_integration.rs
deleted file mode 100644
index 054169333..000000000
--- a/ml/tests/kelly_position_sizing_integration.rs
+++ /dev/null
@@ -1,123 +0,0 @@
-// Kelly Criterion Position Sizing Integration Test
-//
-// Validates that Kelly fraction is correctly applied to position sizing
-// in the backtesting pipeline (PortfolioTracker → EvaluationEngine → Hyperopt).
-
-use ml::evaluation::engine::{Action, EvaluationEngine};
-use ml::evaluation::metrics::OHLCVBarF32;
-
-/// Compute expected net PnL after transaction costs (0.15% per side).
-/// This mirrors EvaluationEngine::close_position().
-fn expected_net_pnl(entry: f32, exit: f32, kelly: f64, is_long: bool) -> f32 {
-    let base_pnl = if is_long { exit - entry } else { entry - exit };
-    let gross = base_pnl * kelly as f32;
-    let fee: f32 = 0.0015;
-    let entry_cost = entry * kelly as f32 * fee;
-    let exit_cost = exit * kelly as f32 * fee;
-    gross - entry_cost - exit_cost
-}
-
-#[test]
-fn test_kelly_scales_pnl_correctly() {
-    let bar1 = OHLCVBarF32 { timestamp: 0, open: 100.0, high: 100.0, low: 100.0, close: 100.0, volume: 0.0 };
-    let bar2 = OHLCVBarF32 { timestamp: 1, open: 110.0, high: 110.0, low: 110.0, close: 110.0, volume: 0.0 };
-
-    // Test 1: Full Kelly (1.0) - baseline
-    let mut engine_full = EvaluationEngine::new_with_kelly(10_000.0, 1.0);
-    engine_full.process_bar(0, &bar1, Action::Buy);
-    engine_full.process_bar(1, &bar2, Action::Sell);
-    assert_eq!(engine_full.trades.len(), 1);
-    let expected = expected_net_pnl(100.0, 110.0, 1.0, true);
-    assert!((engine_full.trades[0].pnl - expected).abs() < 0.01,
-        "Full Kelly: expected {:.4}, got {:.4}", expected, engine_full.trades[0].pnl);
-
-    // Test 2: Half Kelly (0.5) - reduced position
-    let mut engine_half = EvaluationEngine::new_with_kelly(10_000.0, 0.5);
-    engine_half.process_bar(0, &bar1, Action::Buy);
-    engine_half.process_bar(1, &bar2, Action::Sell);
-    assert_eq!(engine_half.trades.len(), 1);
-    let expected = expected_net_pnl(100.0, 110.0, 0.5, true);
-    assert!((engine_half.trades[0].pnl - expected).abs() < 0.01,
-        "Half Kelly: expected {:.4}, got {:.4}", expected, engine_half.trades[0].pnl);
-
-    // Test 3: Quarter Kelly (0.25) - conservative
-    let mut engine_quarter = EvaluationEngine::new_with_kelly(10_000.0, 0.25);
-    engine_quarter.process_bar(0, &bar1, Action::Buy);
-    engine_quarter.process_bar(1, &bar2, Action::Sell);
-    assert_eq!(engine_quarter.trades.len(), 1);
-    let expected = expected_net_pnl(100.0, 110.0, 0.25, true);
-    assert!((engine_quarter.trades[0].pnl - expected).abs() < 0.01,
-        "Quarter Kelly: expected {:.4}, got {:.4}", expected, engine_quarter.trades[0].pnl);
-
-    // Verify proportional scaling: half Kelly PnL ~= full Kelly PnL * 0.5
-    let ratio = engine_half.trades[0].pnl / engine_full.trades[0].pnl;
-    assert!((ratio - 0.5).abs() < 0.01, "Half/Full ratio should be ~0.5, got {:.4}", ratio);
-}
-
-#[test]
-fn test_kelly_scales_losses_correctly() {
-    let bar1 = OHLCVBarF32 { timestamp: 0, open: 100.0, high: 100.0, low: 100.0, close: 100.0, volume: 0.0 };
-    let bar2 = OHLCVBarF32 { timestamp: 1, open: 90.0, high: 90.0, low: 90.0, close: 90.0, volume: 0.0 };
-
-    // Full Kelly (1.0) - loss
-    let mut engine_full = EvaluationEngine::new_with_kelly(10_000.0, 1.0);
-    engine_full.process_bar(0, &bar1, Action::Buy);
-    engine_full.process_bar(1, &bar2, Action::Sell);
-    assert_eq!(engine_full.trades.len(), 1);
-    let expected = expected_net_pnl(100.0, 90.0, 1.0, true);
-    assert!((engine_full.trades[0].pnl - expected).abs() < 0.01,
-        "Full Kelly loss: expected {:.4}, got {:.4}", expected, engine_full.trades[0].pnl);
-
-    // Half Kelly (0.5) - reduced loss
-    let mut engine_half = EvaluationEngine::new_with_kelly(10_000.0, 0.5);
-    engine_half.process_bar(0, &bar1, Action::Buy);
-    engine_half.process_bar(1, &bar2, Action::Sell);
-    assert_eq!(engine_half.trades.len(), 1);
-    let expected = expected_net_pnl(100.0, 90.0, 0.5, true);
-    assert!((engine_half.trades[0].pnl - expected).abs() < 0.01,
-        "Half Kelly loss: expected {:.4}, got {:.4}", expected, engine_half.trades[0].pnl);
-}
-
-#[test]
-fn test_kelly_with_short_positions() {
-    let bar1 = OHLCVBarF32 { timestamp: 0, open: 100.0, high: 100.0, low: 100.0, close: 100.0, volume: 0.0 };
-    let bar2 = OHLCVBarF32 { timestamp: 1, open: 90.0, high: 90.0, low: 90.0, close: 90.0, volume: 0.0 };
-
-    // Full Kelly (1.0) - short profit
-    let mut engine_full = EvaluationEngine::new_with_kelly(10_000.0, 1.0);
-    engine_full.process_bar(0, &bar1, Action::Sell);
-    engine_full.process_bar(1, &bar2, Action::Buy);
-    assert_eq!(engine_full.trades.len(), 1);
-    let expected = expected_net_pnl(100.0, 90.0, 1.0, false);
-    assert!((engine_full.trades[0].pnl - expected).abs() < 0.01,
-        "Full Kelly short: expected {:.4}, got {:.4}", expected, engine_full.trades[0].pnl);
-
-    // Half Kelly (0.5)
-    let mut engine_half = EvaluationEngine::new_with_kelly(10_000.0, 0.5);
-    engine_half.process_bar(0, &bar1, Action::Sell);
-    engine_half.process_bar(1, &bar2, Action::Buy);
-    assert_eq!(engine_half.trades.len(), 1);
-    let expected = expected_net_pnl(100.0, 90.0, 0.5, false);
-    assert!((engine_half.trades[0].pnl - expected).abs() < 0.01,
-        "Half Kelly short: expected {:.4}, got {:.4}", expected, engine_half.trades[0].pnl);
-}
-
-#[test]
-fn test_default_new_uses_full_kelly() {
-    let bar1 = OHLCVBarF32 { timestamp: 0, open: 100.0, high: 100.0, low: 100.0, close: 100.0, volume: 0.0 };
-    let bar2 = OHLCVBarF32 { timestamp: 1, open: 110.0, high: 110.0, low: 110.0, close: 110.0, volume: 0.0 };
-
-    // Verify that EvaluationEngine::new() defaults to Kelly=1.0
-    let mut engine_default = EvaluationEngine::new(10_000.0);
-    engine_default.process_bar(0, &bar1, Action::Buy);
-    engine_default.process_bar(1, &bar2, Action::Sell);
-    assert_eq!(engine_default.trades.len(), 1);
-
-    // Compare with explicit Kelly=1.0
-    let mut engine_explicit = EvaluationEngine::new_with_kelly(10_000.0, 1.0);
-    engine_explicit.process_bar(0, &bar1, Action::Buy);
-    engine_explicit.process_bar(1, &bar2, Action::Sell);
-
-    assert!((engine_default.trades[0].pnl - engine_explicit.trades[0].pnl).abs() < 0.001,
-        "Default should match explicit Kelly=1.0");
-}