diff --git a/system-tests/src/test/java/org/eclipse/edc/samples/transfer/streaming/Streaming01httpToHttpTest.java b/system-tests/src/test/java/org/eclipse/edc/samples/transfer/streaming/Streaming01httpToHttpTest.java
index 93dea471..fed0453e 100644
--- a/system-tests/src/test/java/org/eclipse/edc/samples/transfer/streaming/Streaming01httpToHttpTest.java
+++ b/system-tests/src/test/java/org/eclipse/edc/samples/transfer/streaming/Streaming01httpToHttpTest.java
@@ -96,22 +96,22 @@ void streamData() throws IOException {
         PROVIDER.createPolicyDefinition(getFileContentFromRelativePath(SAMPLE_FOLDER + "/policy-definition.json"));
         PROVIDER.createContractDefinition(getFileContentFromRelativePath(SAMPLE_FOLDER + "/contract-definition.json"));
 
-	var catalogDatasetId = CONSUMER.fetchDatasetFromCatalog(getFileContentFromRelativePath(SAMPLE_FOLDER + "/get-dataset.json"));
+        var catalogDatasetId = CONSUMER.fetchDatasetFromCatalog(getFileContentFromRelativePath(SAMPLE_FOLDER + "/get-dataset.json"));
         var negotiateContractBody = getFileContentFromRelativePath(SAMPLE_FOLDER + "/negotiate-contract.json")
                                         .replace("{{offerId}}", catalogDatasetId);
-	//assertThat(catalogDatasetId).isEqualTo("test", catalogDatasetId);
+        //assertThat(catalogDatasetId).isEqualTo("test", catalogDatasetId);
         
         var contractNegotiationId = CONSUMER.negotiateContract(negotiateContractBody);
     
         await().atMost(TIMEOUT).untilAsserted(() -> {
-                var contractAgreementId = CONSUMER.getContractAgreementId(contractNegotiationId);
-                assertThat(contractAgreementId).isNotNull();
+            var contractAgreementId = CONSUMER.getContractAgreementId(contractNegotiationId);
+            assertThat(contractAgreementId).isNotNull();
         });
         var contractAgreementId = CONSUMER.getContractAgreementId(contractNegotiationId);
         
-	var requestBody = getFileContentFromRelativePath(SAMPLE_FOLDER + "/transfer.json")
+        var requestBody = getFileContentFromRelativePath(SAMPLE_FOLDER + "/transfer.json")
                                 .replace("{{contract-agreement-id}}", contractAgreementId)
-                                .replace("4000", ""+httpReceiverPort);
+                                .replace("4000", "" + httpReceiverPort);
 
         var transferProcessId = CONSUMER.startTransfer(requestBody);
 
diff --git a/system-tests/src/test/java/org/eclipse/edc/samples/transfer/streaming/StreamingParticipant.java b/system-tests/src/test/java/org/eclipse/edc/samples/transfer/streaming/StreamingParticipant.java
index d1a2e167..c1f8718a 100644
--- a/system-tests/src/test/java/org/eclipse/edc/samples/transfer/streaming/StreamingParticipant.java
+++ b/system-tests/src/test/java/org/eclipse/edc/samples/transfer/streaming/StreamingParticipant.java
@@ -18,7 +18,6 @@
 
 import static io.restassured.http.ContentType.JSON;
 import static org.eclipse.edc.jsonld.spi.JsonLdKeywords.ID;
-import static org.hamcrest.Matchers.theInstance;
 
 /**
  * Essentially a wrapper around the management API enabling to test interactions with other participants, eg. catalog, transfer...