diff --git a/java/client/test/org/openqa/selenium/UploadTest.java b/java/client/test/org/openqa/selenium/UploadTest.java
index 5a25077727cec..ab2827ff74443 100644
--- a/java/client/test/org/openqa/selenium/UploadTest.java
+++ b/java/client/test/org/openqa/selenium/UploadTest.java
@@ -28,8 +28,6 @@
 import static org.openqa.selenium.testing.Driver.HTMLUNIT;
 import static org.openqa.selenium.testing.Driver.SAFARI;
 
-import com.google.common.io.Files;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.openqa.selenium.testing.Ignore;
@@ -41,6 +39,7 @@
 import java.io.File;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
 
 
 /**
@@ -119,8 +118,7 @@ public void testUploadingWithHiddenFileInput() {
   private File createTmpFile(String content) throws IOException {
     File f = File.createTempFile("webdriver", "tmp");
     f.deleteOnExit();
-    Files.asCharSink(f, StandardCharsets.UTF_8).write(content);
+    Files.write(f.toPath(), content.getBytes(StandardCharsets.UTF_8));
     return f;
   }
-
 }
diff --git a/java/client/test/org/openqa/selenium/chrome/ChromeOptionsFunctionalTest.java b/java/client/test/org/openqa/selenium/chrome/ChromeOptionsFunctionalTest.java
index 934e5723c13d9..637b5e0b166f2 100644
--- a/java/client/test/org/openqa/selenium/chrome/ChromeOptionsFunctionalTest.java
+++ b/java/client/test/org/openqa/selenium/chrome/ChromeOptionsFunctionalTest.java
@@ -21,8 +21,6 @@
 import static org.openqa.selenium.remote.CapabilityType.ACCEPT_SSL_CERTS;
 import static org.openqa.selenium.support.ui.ExpectedConditions.titleIs;
 
-import com.google.common.io.Files;
-
 import org.junit.After;
 import org.junit.Test;
 import org.openqa.selenium.By;
@@ -33,6 +31,7 @@
 import org.openqa.selenium.testing.NeedsLocalEnvironment;
 
 import java.io.IOException;
+import java.nio.file.Files;
 import java.util.Base64;
 
 /**
@@ -104,7 +103,7 @@ public void canAddExtensionFromFile() {
   public void canAddExtensionFromStringEncodedInBase64() throws IOException {
     ChromeOptions options = new ChromeOptions();
     options.addEncodedExtensions(Base64.getEncoder().encodeToString(
-        Files.toByteArray(InProject.locate(EXT_PATH).toFile())));
+        Files.readAllBytes(InProject.locate(EXT_PATH))));
     driver = new ChromeDriver(options);
 
     driver.get(pages.clicksPage);