diff --git a/system_tests/bold_challenge_protocol_test.go b/system_tests/bold_challenge_protocol_test.go
index daea27e5a4..eb210e53fd 100644
--- a/system_tests/bold_challenge_protocol_test.go
+++ b/system_tests/bold_challenge_protocol_test.go
@@ -78,11 +78,13 @@ func TestChallengeProtocolBOLDStartStepChallenge(t *testing.T) {
 }
 
 func testChallengeProtocolBOLD(t *testing.T, spawnerOpts ...server_arb.SpawnerOption) {
-	Require(t, os.RemoveAll("/tmp/good"))
-	Require(t, os.RemoveAll("/tmp/evil"))
+	goodDir, err := os.MkdirTemp("", "good_*")
+	Require(t, err)
+	evilDir, err := os.MkdirTemp("", "evil_*")
+	Require(t, err)
 	t.Cleanup(func() {
-		Require(t, os.RemoveAll("/tmp/good"))
-		Require(t, os.RemoveAll("/tmp/evil"))
+		Require(t, os.RemoveAll(goodDir))
+		Require(t, os.RemoveAll(evilDir))
 	})
 	ctx, cancelCtx := context.WithCancel(context.Background())
 	defer cancelCtx()
@@ -216,9 +218,10 @@ func testChallengeProtocolBOLD(t *testing.T, spawnerOpts ...server_arb.SpawnerOp
 		l2stateprovider.Height(blockChallengeLeafHeight),
 		&bold.StateProviderConfig{
 			ValidatorName:          "good",
-			MachineLeavesCachePath: "/tmp/good",
+			MachineLeavesCachePath: goodDir,
 			CheckBatchFinality:     false,
 		},
+		goodDir,
 	)
 	Require(t, err)
 
@@ -228,9 +231,10 @@ func testChallengeProtocolBOLD(t *testing.T, spawnerOpts ...server_arb.SpawnerOp
 		l2stateprovider.Height(blockChallengeLeafHeight),
 		&bold.StateProviderConfig{
 			ValidatorName:          "evil",
-			MachineLeavesCachePath: "/tmp/evil",
+			MachineLeavesCachePath: evilDir,
 			CheckBatchFinality:     false,
 		},
+		evilDir,
 	)
 	Require(t, err)
 
diff --git a/system_tests/bold_new_challenge_test.go b/system_tests/bold_new_challenge_test.go
index a9caec45f0..1363f700c1 100644
--- a/system_tests/bold_new_challenge_test.go
+++ b/system_tests/bold_new_challenge_test.go
@@ -277,15 +277,17 @@ func startBoldChallengeManager(t *testing.T, ctx context.Context, builder *NodeB
 
 	var stateManager BoldStateProviderInterface
 	var err error
+	cacheDir := t.TempDir()
 	stateManager, err = bold.NewBOLDStateProvider(
 		node.ConsensusNode.BlockValidator,
 		node.ConsensusNode.StatelessBlockValidator,
 		l2stateprovider.Height(blockChallengeLeafHeight),
 		&bold.StateProviderConfig{
 			ValidatorName:          addressName,
-			MachineLeavesCachePath: t.TempDir(),
+			MachineLeavesCachePath: cacheDir,
 			CheckBatchFinality:     false,
 		},
+		cacheDir,
 	)
 	Require(t, err)
 
diff --git a/system_tests/bold_state_provider_test.go b/system_tests/bold_state_provider_test.go
index 17fa436a83..0ecce5ba64 100644
--- a/system_tests/bold_state_provider_test.go
+++ b/system_tests/bold_state_provider_test.go
@@ -400,15 +400,17 @@ func setupBoldStateProvider(t *testing.T, ctx context.Context, blockChallengeHei
 	Require(t, blockValidator.Initialize(ctx))
 	Require(t, blockValidator.Start(ctx))
 
+	dir := t.TempDir()
 	stateManager, err := bold.NewBOLDStateProvider(
 		blockValidator,
 		stateless,
 		l2stateprovider.Height(blockChallengeHeight),
 		&bold.StateProviderConfig{
 			ValidatorName:          "",
-			MachineLeavesCachePath: t.TempDir(),
+			MachineLeavesCachePath: dir,
 			CheckBatchFinality:     false,
 		},
+		dir,
 	)
 	Require(t, err)