diff --git a/leveldb/src/test/java/org/iq80/leveldb/impl/TestFileChannelLogWriter.java b/leveldb/src/test/java/org/iq80/leveldb/impl/TestFileChannelLogWriter.java
index be2f236a..1fd0a104 100644
--- a/leveldb/src/test/java/org/iq80/leveldb/impl/TestFileChannelLogWriter.java
+++ b/leveldb/src/test/java/org/iq80/leveldb/impl/TestFileChannelLogWriter.java
@@ -23,6 +23,7 @@
 import java.io.File;
 import java.io.FileInputStream;
 import java.nio.channels.FileChannel;
+import java.nio.file.Files;
 
 import static org.testng.Assert.assertEquals;
 import static org.testng.Assert.fail;
@@ -33,7 +34,7 @@ public class TestFileChannelLogWriter
     public void testLogRecordBounds()
             throws Exception
     {
-        File file = File.createTempFile("test", ".log");
+        File file = Files.createTempFile("test", ".log").toFile();
         try {
             int recordSize = LogConstants.BLOCK_SIZE - LogConstants.HEADER_SIZE;
             Slice record = new Slice(recordSize);
diff --git a/leveldb/src/test/java/org/iq80/leveldb/impl/TestMMapLogWriter.java b/leveldb/src/test/java/org/iq80/leveldb/impl/TestMMapLogWriter.java
index a7e7a8d5..d6aabe21 100644
--- a/leveldb/src/test/java/org/iq80/leveldb/impl/TestMMapLogWriter.java
+++ b/leveldb/src/test/java/org/iq80/leveldb/impl/TestMMapLogWriter.java
@@ -23,6 +23,7 @@
 import java.io.File;
 import java.io.FileInputStream;
 import java.nio.channels.FileChannel;
+import java.nio.file.Files;
 
 import static org.testng.Assert.assertEquals;
 import static org.testng.Assert.fail;
@@ -33,7 +34,7 @@ public class TestMMapLogWriter
     public void testLogRecordBounds()
             throws Exception
     {
-        File file = File.createTempFile("test", ".log");
+        File file = Files.createTempFile("test", ".log").toFile();
         try {
             int recordSize = LogConstants.BLOCK_SIZE - LogConstants.HEADER_SIZE;
             Slice record = new Slice(recordSize);
diff --git a/leveldb/src/test/java/org/iq80/leveldb/table/TableTest.java b/leveldb/src/test/java/org/iq80/leveldb/table/TableTest.java
index 7e025d23..4e5149bc 100644
--- a/leveldb/src/test/java/org/iq80/leveldb/table/TableTest.java
+++ b/leveldb/src/test/java/org/iq80/leveldb/table/TableTest.java
@@ -30,6 +30,7 @@
 import java.io.IOException;
 import java.io.RandomAccessFile;
 import java.nio.channels.FileChannel;
+import java.nio.file.Files;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
@@ -168,7 +169,7 @@ public void setUp()
     private void reopenFile()
             throws IOException
     {
-        file = File.createTempFile("table", ".db");
+        file = Files.createTempFile("table", ".db").toFile();
         file.delete();
         randomAccessFile = new RandomAccessFile(file, "rw");
         fileChannel = randomAccessFile.getChannel();