diff --git a/platform-tooling-support-tests/src/main/java/platform/tooling/support/process/WatchedOutput.java b/platform-tooling-support-tests/src/main/java/platform/tooling/support/process/WatchedOutput.java
index a86e411d101a..67019b147688 100644
--- a/platform-tooling-support-tests/src/main/java/platform/tooling/support/process/WatchedOutput.java
+++ b/platform-tooling-support-tests/src/main/java/platform/tooling/support/process/WatchedOutput.java
@@ -13,23 +13,11 @@
 import java.io.ByteArrayOutputStream;
 import java.nio.charset.Charset;
 
-public class WatchedOutput {
+record WatchedOutput(Thread thread, ByteArrayOutputStream stream) {
 
 	private static final Charset CHARSET = Charset.forName(System.getProperty("native.encoding"));
 
-	private final Thread thread;
-	private final ByteArrayOutputStream stream;
-
-	WatchedOutput(Thread thread, ByteArrayOutputStream stream) {
-		this.thread = thread;
-		this.stream = stream;
-	}
-
-	void join() throws InterruptedException {
-		thread.join();
-	}
-
-	public String getStreamAsString() {
+	String streamAsString() {
 		return stream.toString(CHARSET);
 	}
 }
diff --git a/platform-tooling-support-tests/src/main/java/platform/tooling/support/process/WatchedProcess.java b/platform-tooling-support-tests/src/main/java/platform/tooling/support/process/WatchedProcess.java
index 3e048e5b0caf..4b41d100e404 100644
--- a/platform-tooling-support-tests/src/main/java/platform/tooling/support/process/WatchedProcess.java
+++ b/platform-tooling-support-tests/src/main/java/platform/tooling/support/process/WatchedProcess.java
@@ -36,13 +36,13 @@ ProcessResult waitFor() throws InterruptedException {
 			}
 			finally {
 				try {
-					out.join();
+					out.thread().join();
 				}
 				finally {
-					err.join();
+					err.thread().join();
 				}
 			}
-			return new ProcessResult(exitCode, out.getStreamAsString(), err.getStreamAsString());
+			return new ProcessResult(exitCode, out.streamAsString(), err.streamAsString());
 		}
 		finally {
 			process.destroyForcibly();