diff --git a/src/main/java/de/kosit/validationtool/cmd/report/Grid.java b/src/main/java/de/kosit/validationtool/cmd/report/Grid.java
index d43c257..adf0559 100644
--- a/src/main/java/de/kosit/validationtool/cmd/report/Grid.java
+++ b/src/main/java/de/kosit/validationtool/cmd/report/Grid.java
@@ -256,12 +256,14 @@ public class Grid {
         });
     }
 
+    @SuppressWarnings("ClassEscapesDefinedScope")
     public List<Cell> getColumn(final int index) {
 
         return IntStream.range(0, this.values.size()).filter(n -> n % this.definitions.size() == index).mapToObj(this.values::get)
                 .collect(Collectors.toList());
     }
 
+    @SuppressWarnings("ClassEscapesDefinedScope")
     public Grid addCell(final Cell cell) {
         this.values.add(cell);
         return this;
diff --git a/src/main/java/de/kosit/validationtool/impl/input/StreamHelper.java b/src/main/java/de/kosit/validationtool/impl/input/StreamHelper.java
index 06dd8c9..283b93e 100644
--- a/src/main/java/de/kosit/validationtool/impl/input/StreamHelper.java
+++ b/src/main/java/de/kosit/validationtool/impl/input/StreamHelper.java
@@ -132,6 +132,7 @@ public class StreamHelper {
      * @param stream the stream
      * @return a wrapped stream
      */
+    @SuppressWarnings("ClassEscapesDefinedScope")
     public static InputStream wrapCount(final LazyReadInput input, final InputStream stream) throws IOException {
         return new CountInputStream(input, stream);
     }
@@ -143,6 +144,7 @@ public class StreamHelper {
      * @param stream the stream
      * @return a wrapped stream
      */
+    @SuppressWarnings("ClassEscapesDefinedScope")
     public static InputStream wrapDigesting(final LazyReadInput input, final InputStream stream, final String digestAlgorithm) {
         return new DigestingInputStream(input, stream, createDigest(digestAlgorithm));
     }