diff --git a/src/Lynx.Dev/Program.cs b/src/Lynx.Dev/Program.cs
index 28a0f54d2..adbe14132 100644
--- a/src/Lynx.Dev/Program.cs
+++ b/src/Lynx.Dev/Program.cs
@@ -1075,7 +1075,7 @@ static void TesSize(int size)
 static void UnmakeMove()
 {
     var pos = new Position("r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq");
-    var a = Perft.ResultsImpl(pos, 1, default, new Move[Constants.MaxNumberOfPossibleMovesInAPosition]);
+    var a = Perft.ResultsImpl(pos, 1, default);
 
     TestMoveGen(Constants.InitialPositionFEN);
     TestMoveGen(Constants.TTPositionFEN);
diff --git a/tests/Lynx.Test/PerftTest.cs b/tests/Lynx.Test/PerftTest.cs
index 0c66d2738..a1d359252 100644
--- a/tests/Lynx.Test/PerftTest.cs
+++ b/tests/Lynx.Test/PerftTest.cs
@@ -161,6 +161,6 @@ public void JohnMerlinoPositions(string fen, int depth, long expectedNumberOfNod
 
     private static void Validate(string fen, int depth, long expectedNumberOfNodes)
     {
-        Assert.AreEqual(expectedNumberOfNodes, Perft.ResultsImpl(new Position(fen), depth, default, new Move[Constants.MaxNumberOfPossibleMovesInAPosition]));
+        Assert.AreEqual(expectedNumberOfNodes, Perft.ResultsImpl(new Position(fen), depth, default));
     }
 }
diff --git a/tests/Lynx.Test/PerftTestSuite.cs b/tests/Lynx.Test/PerftTestSuite.cs
index 935b305e9..ddefbbb09 100644
--- a/tests/Lynx.Test/PerftTestSuite.cs
+++ b/tests/Lynx.Test/PerftTestSuite.cs
@@ -771,6 +771,6 @@ public void Suite(string fen, int depth, long expectedNumberOfNodes)
 
     private static void Validate(string fen, int depth, long expectedNumberOfNodes)
     {
-        Assert.AreEqual(expectedNumberOfNodes, Perft.ResultsImpl(new Position(fen), depth, default, new Move[Constants.MaxNumberOfPossibleMovesInAPosition]));
+        Assert.AreEqual(expectedNumberOfNodes, Perft.ResultsImpl(new Position(fen), depth, default));
     }
 }