diff --git a/acceptance-tests/dsl/src/main/java/org/hyperledger/besu/tests/acceptance/dsl/AcceptanceTestBase.java b/acceptance-tests/dsl/src/main/java/org/hyperledger/besu/tests/acceptance/dsl/AcceptanceTestBase.java
index 0e1f6d65d5f..cac4deb9d9b 100644
--- a/acceptance-tests/dsl/src/main/java/org/hyperledger/besu/tests/acceptance/dsl/AcceptanceTestBase.java
+++ b/acceptance-tests/dsl/src/main/java/org/hyperledger/besu/tests/acceptance/dsl/AcceptanceTestBase.java
@@ -56,12 +56,15 @@
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
-import org.junit.jupiter.api.AfterEach;
+import org.junit.After;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-/** Superclass for acceptance tests. */
+/**
+ * Superclass for acceptance tests. For now (transition to junit5 is ongoing) this class supports
+ * junit4 format.
+ */
 @ExtendWith(AcceptanceTestBaseTestWatcher.class)
 public class AcceptanceTestBase {
 
@@ -128,7 +131,7 @@ protected AcceptanceTestBase() {
     exitedSuccessfully = new ExitedWithCode(0);
   }
 
-  @AfterEach
+  @After
   public void tearDownAcceptanceTestBase() {
     reportMemory();
     cluster.close();
diff --git a/acceptance-tests/dsl/src/main/java/org/hyperledger/besu/tests/acceptance/dsl/node/ProcessBesuNodeRunner.java b/acceptance-tests/dsl/src/main/java/org/hyperledger/besu/tests/acceptance/dsl/node/ProcessBesuNodeRunner.java
index adf872e19cc..2b80ebea568 100644
--- a/acceptance-tests/dsl/src/main/java/org/hyperledger/besu/tests/acceptance/dsl/node/ProcessBesuNodeRunner.java
+++ b/acceptance-tests/dsl/src/main/java/org/hyperledger/besu/tests/acceptance/dsl/node/ProcessBesuNodeRunner.java
@@ -52,7 +52,6 @@
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
-import org.apache.commons.lang3.SystemUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.slf4j.MDC;
@@ -78,15 +77,8 @@ public void startNode(final BesuNode node) {
 
     final Path dataDir = node.homeDirectory();
 
-    final var workingDir =
-        new File(System.getProperty("user.dir")).getParentFile().getParentFile().toPath();
-
     final List<String> params = new ArrayList<>();
-    if (SystemUtils.IS_OS_WINDOWS) {
-      params.add(workingDir.resolve("build\\install\\besu\\bin\\besu.bat").toString());
-    } else {
-      params.add("build/install/besu/bin/besu");
-    }
+    params.add("build/install/besu/bin/besu");
 
     params.add("--data-path");
     params.add(dataDir.toAbsolutePath().toString());
@@ -430,13 +422,15 @@ public void startNode(final BesuNode node) {
     LOG.info("Creating besu process with params {}", params);
     final ProcessBuilder processBuilder =
         new ProcessBuilder(params)
-            .directory(workingDir.toFile())
+            .directory(new File(System.getProperty("user.dir")).getParentFile().getParentFile())
             .redirectErrorStream(true)
             .redirectInput(Redirect.INHERIT);
     if (!node.getPlugins().isEmpty()) {
       processBuilder
           .environment()
-          .put("BESU_OPTS", "-Dbesu.plugins.dir=" + dataDir.resolve("plugins").toAbsolutePath());
+          .put(
+              "BESU_OPTS",
+              "-Dbesu.plugins.dir=" + dataDir.resolve("plugins").toAbsolutePath().toString());
     }
     // Use non-blocking randomness for acceptance tests
     processBuilder
@@ -578,7 +572,7 @@ private void killBesuProcess(final String name) {
 
     LOG.info("Killing {} process, pid {}", name, process.pid());
 
-    process.descendants().forEach(ProcessHandle::destroy);
+    process.destroy();
     try {
       process.waitFor(30, TimeUnit.SECONDS);
     } catch (final InterruptedException e) {