diff --git a/gradle.properties b/gradle.properties
index 4c98a5c..bb5d3c3 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,12 +3,3 @@ name = marc
 version = 2.7.0
 
 org.gradle.warning.mode = ALL
-gradle.wrapper.version = 7.5.1
-xbib-content.version = 4.0.0
-xbib-bibliographic-character-sets.version = 2.0.0
-xalan.version = 2.7.2
-xmlunit-matchers.version = 2.8.4
-system-rules.version = 1.19.0
-mockito.version = 3.3.3
-marc4j.version = 2.9.2
-junit.version = 5.8.2
diff --git a/src/test/java/org/xbib/marc/StreamMatcher.java b/src/test/java/org/xbib/marc/StreamMatcher.java
index 917e198..0a5dd93 100644
--- a/src/test/java/org/xbib/marc/StreamMatcher.java
+++ b/src/test/java/org/xbib/marc/StreamMatcher.java
@@ -16,7 +16,6 @@
 package org.xbib.marc;
 
 import static org.hamcrest.MatcherAssert.assertThat;
-import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.junit.jupiter.api.Assertions.fail;
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
@@ -85,7 +84,7 @@ public class StreamMatcher {
                 assertStream("step 2 " + path2, path2, cl.getResource(resourceName).openStream());
                 logger.log(Level.INFO, "step 2: success");
             } finally {
-                //Files.delete(path2);
+                Files.delete(path2);
             }
         } finally {
             Files.delete(path1);
@@ -103,7 +102,6 @@ public class StreamMatcher {
              OutputStream outputStream2 = Files.newOutputStream(path2)) {
             producer1.produce(inputStream1, outputStream1);
             producer2.produce(inputStream2, outputStream2);
-            //assertStream("comparing " + path1 + " and " + path2, path1, path2);
             assertThat("XML check of " + path1, path1, CompareMatcher.isIdenticalTo(cl.getResource(resourceName + suffix1).openStream()));
             assertThat("XML check of " + path2, path2, CompareMatcher.isIdenticalTo(cl.getResource(resourceName + suffix2).openStream()));
         } finally {
@@ -120,6 +118,7 @@ public class StreamMatcher {
             producer.produce(inputStream, outputStream);
         }
     }
+
     public static void assertStream(String name, Path path1, Path path2) throws IOException {
         assertStream(name, Files.newInputStream(path1), Files.newInputStream(path2));
     }