diff --git a/build.gradle.kts b/build.gradle.kts
index 6c6e3d1..b1a892d 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,18 +1,11 @@
 plugins {
-    // Apply the Kotlin JVM plugin to add support for Kotlin.
-    id("org.jetbrains.kotlin.jvm") version "1.3.70"
-
-    // Apply the java-library plugin for API and implementation separation.
     `java-library`
-    application
 }
 
 group = "net.woggioni"
 version = "0.1"
 
 repositories {
-    // Use jcenter for resolving dependencies.
-    // You can declare any Maven/Ivy/file repository here.
     mavenLocal()
     jcenter()
     mavenCentral()
@@ -21,14 +14,6 @@ repositories {
 fun property(name : String) = project.property(name).toString()
 
 dependencies {
-    // Align versions of all Kotlin components
-    compileOnly(platform("org.jetbrains.kotlin:kotlin-bom"))
-    testImplementation(platform("org.jetbrains.kotlin:kotlin-bom"))
-
-    // Use the Kotlin JDK 8 standard library.
-    compileOnly("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
-    testImplementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
-
     implementation("net.java.dev.jna", "jna", property("jna.version"))
 
     // https://mvnrepository.com/artifact/org.projectlombok/lombok
@@ -40,12 +25,6 @@ dependencies {
     testRuntimeOnly("org.junit.jupiter", "junit-jupiter-engine", property("junit.version"))
     testImplementation("org.junit.jupiter","junit-jupiter-api", property("junit.version"))
     testImplementation("org.junit.jupiter","junit-jupiter-params", property("junit.version"))
-    testImplementation("net.woggioni", "jwo", "1.0")
-
-}
-
-application {
-    mainClassName = "net.woggioni.kzstd.HelloWorld"
 }
 
 
diff --git a/src/test/java/net/woggioni/jzstd/BasicTest.java b/src/test/java/net/woggioni/jzstd/BasicTest.java
index 43ab399..e96c186 100644
--- a/src/test/java/net/woggioni/jzstd/BasicTest.java
+++ b/src/test/java/net/woggioni/jzstd/BasicTest.java
@@ -17,21 +17,20 @@ import java.security.MessageDigest;
 import java.util.stream.Stream;
 
 
-class InputStreamProvider implements ArgumentsProvider {
-
-    @Override
-    @SneakyThrows
-    public Stream<? extends Arguments> provideArguments(ExtensionContext context) {
-        return Stream.of(
-            Arguments.of(getClass().getResourceAsStream("/index.html")),
-            Arguments.of(Files.newInputStream(Paths.get("/tmp/citylots.json")))
-        );
-    }
-}
-
-
 public class BasicTest {
 
+    private static class InputStreamProvider implements ArgumentsProvider {
+
+        @Override
+        @SneakyThrows
+        public Stream<? extends Arguments> provideArguments(ExtensionContext context) {
+            return Stream.of(
+                    Arguments.of(getClass().getResourceAsStream("/index.html")),
+                    Arguments.of(Files.newInputStream(Paths.get("/tmp/citylots.json")))
+            );
+        }
+    }
+
     @SneakyThrows
     @ParameterizedTest
     @ArgumentsSource(InputStreamProvider.class)