diff --git a/core/txpool/txpool_test.go b/core/txpool/txpool_test.go
index 8dfa425068..9417887cb9 100644
--- a/core/txpool/txpool_test.go
+++ b/core/txpool/txpool_test.go
@@ -2278,7 +2278,7 @@ func testTransactionJournaling(t *testing.T, nolocals bool) {
 	t.Parallel()
 
 	// Create a temporary file for the journal
-	file, err := os.CreateTemp("", "")
+	file, err := os.CreateTemp(t.TempDir(), "")
 	if err != nil {
 		t.Fatalf("failed to create temporary journal: %v", err)
 	}
diff --git a/crypto/crypto_test.go b/crypto/crypto_test.go
index e0e66185ce..d95925883e 100644
--- a/crypto/crypto_test.go
+++ b/crypto/crypto_test.go
@@ -181,7 +181,7 @@ func TestLoadECDSA(t *testing.T) {
 	}
 
 	for _, test := range tests {
-		f, err := os.CreateTemp("", "loadecdsa_test.*.txt")
+		f, err := os.CreateTemp(t.TempDir(), "loadecdsa_test.*.txt")
 		if err != nil {
 			t.Fatal(err)
 		}
@@ -202,7 +202,7 @@ func TestLoadECDSA(t *testing.T) {
 }
 
 func TestSaveECDSA(t *testing.T) {
-	f, err := os.CreateTemp("", "saveecdsa_test.*.txt")
+	f, err := os.CreateTemp(t.TempDir(), "saveecdsa_test.*.txt")
 	if err != nil {
 		t.Fatal(err)
 	}
diff --git a/node/config_test.go b/node/config_test.go
index 8b3de74b9d..aa332695e7 100644
--- a/node/config_test.go
+++ b/node/config_test.go
@@ -53,7 +53,7 @@ func TestDatadirCreation(t *testing.T) {
 		t.Fatalf("freshly created datadir not accessible: %v", err)
 	}
 	// Verify that an impossible datadir fails creation
-	file, err := os.CreateTemp("", "")
+	file, err := os.CreateTemp(t.TempDir(), "")
 	if err != nil {
 		t.Fatalf("failed to create temporary file: %v", err)
 	}