diff --git a/op-challenger/game/fault/trace/asterisc/provider_test.go b/op-challenger/game/fault/trace/asterisc/provider_test.go
index 119f6c72cef8e..432b34b2fb7bb 100644
--- a/op-challenger/game/fault/trace/asterisc/provider_test.go
+++ b/op-challenger/game/fault/trace/asterisc/provider_test.go
@@ -84,7 +84,7 @@ func TestGetStepData(t *testing.T) {
 	t.Run("ExistingProof", func(t *testing.T) {
 		dataDir, prestate := setupTestData(t)
 		provider, generator := setupWithTestData(t, dataDir, prestate)
-		value, proof, data, err := provider.GetStepData(context.Background(), PositionFromTraceIndex(provider, new(big.Int)))
+		value, proof, data, err := provider.GetStepData(context.Background(), PositionFromTraceIndex(provider, common.Big0))
 		require.NoError(t, err)
 		expected := common.FromHex("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")
 		require.Equal(t, expected, value)
diff --git a/op-challenger/game/fault/trace/asterisc/test_data/proofs/420.json b/op-challenger/game/fault/trace/asterisc/test_data/proofs/420.json
deleted file mode 100644
index 311847daa5a05..0000000000000
--- a/op-challenger/game/fault/trace/asterisc/test_data/proofs/420.json
+++ /dev/null
@@ -1,2 +0,0 @@
-{}
-
diff --git a/op-challenger/game/fault/trace/asterisc/test_data/proofs/421.json b/op-challenger/game/fault/trace/asterisc/test_data/proofs/421.json
deleted file mode 100644
index 311847daa5a05..0000000000000
--- a/op-challenger/game/fault/trace/asterisc/test_data/proofs/421.json
+++ /dev/null
@@ -1,2 +0,0 @@
-{}
-