diff --git a/src/main/java/edu/hm/hafner/analysis/parser/CargoClippyParser.java b/src/main/java/edu/hm/hafner/analysis/parser/CargoClippyParser.java
index a585312e1..491eb1332 100644
--- a/src/main/java/edu/hm/hafner/analysis/parser/CargoClippyParser.java
+++ b/src/main/java/edu/hm/hafner/analysis/parser/CargoClippyParser.java
@@ -13,6 +13,7 @@
 import edu.hm.hafner.analysis.util.IntegerParser;
 import edu.hm.hafner.util.LookaheadStream;
 import edu.umd.cs.findbugs.annotations.CheckForNull;
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 
 import static j2html.TagCreator.*;
 
@@ -156,6 +157,7 @@ private static final class FileInformation {
          * @param fileName
          *         the filename of the recommendation.
          */
+        @SuppressFBWarnings("NM")
         public void setFileName(final String fileName) {
             this.fileName = fileName;
         }
diff --git a/src/test/java/edu/hm/hafner/analysis/ReportSerializationBenchmark.java b/src/test/java/edu/hm/hafner/analysis/ReportSerializationBenchmark.java
index 62cd80d42..716fdcc77 100644
--- a/src/test/java/edu/hm/hafner/analysis/ReportSerializationBenchmark.java
+++ b/src/test/java/edu/hm/hafner/analysis/ReportSerializationBenchmark.java
@@ -67,16 +67,13 @@ private static Report createReportWith(final int number) {
      * @return bytes
      */
     private static byte[] toByteArray(final Report report) {
-        var out = new ByteArrayOutputStream();
-
-        try (ObjectOutputStream stream = new ObjectOutputStream(out)) {
+        try (var out = new ByteArrayOutputStream(); ObjectOutputStream stream = new ObjectOutputStream(out)) {
             stream.writeObject(report);
+            return out.toByteArray();
         }
         catch (IOException exception) {
             throw new IllegalStateException("Can't serialize report " + report, exception);
         }
-
-        return out.toByteArray();
     }
 
     /**
@@ -88,10 +85,9 @@ private static byte[] toByteArray(final Report report) {
      * @return report
      */
     @SuppressFBWarnings("OBJECT_DESERIALIZATION")
+    @SuppressWarnings("BanSerializableRead")
     private static Report toReport(final byte[] bytes) {
-        var in = new ByteArrayInputStream(bytes);
-
-        try (ObjectInputStream stream = new ObjectInputStream(in)) {
+        try (var in = new ByteArrayInputStream(bytes); ObjectInputStream stream = new ObjectInputStream(in)) {
             return (Report) stream.readObject();
         }
         catch (IOException | ClassNotFoundException exception) {