diff --git a/redaction-report-service-v1/redaction-report-service-server-v1/src/main/java/com/iqser/red/service/redaction/report/v1/server/utils/PixelUtil.java b/redaction-report-service-v1/redaction-report-service-server-v1/src/main/java/com/iqser/red/service/redaction/report/v1/server/utils/PixelUtil.java
index 293c7c3..6bfa4d0 100644
--- a/redaction-report-service-v1/redaction-report-service-server-v1/src/main/java/com/iqser/red/service/redaction/report/v1/server/utils/PixelUtil.java
+++ b/redaction-report-service-v1/redaction-report-service-server-v1/src/main/java/com/iqser/red/service/redaction/report/v1/server/utils/PixelUtil.java
@@ -1,5 +1,8 @@
 package com.iqser.red.service.redaction.report.v1.server.utils;
 
+import lombok.experimental.UtilityClass;
+
+@UtilityClass
 public final class PixelUtil {
 
     public static final short EXCEL_COLUMN_WIDTH_FACTOR = 256;
@@ -33,10 +36,4 @@ public final class PixelUtil {
         return pixels;
     }
 
-
-    private PixelUtil() {
-
-        throw new IllegalStateException("Utility class");
-    }
-
 }
\ No newline at end of file
diff --git a/redaction-report-service-v1/redaction-report-service-server-v1/src/main/java/com/iqser/red/service/redaction/report/v1/server/utils/ResourceLoader.java b/redaction-report-service-v1/redaction-report-service-server-v1/src/main/java/com/iqser/red/service/redaction/report/v1/server/utils/ResourceLoader.java
deleted file mode 100644
index 01d27d5..0000000
--- a/redaction-report-service-v1/redaction-report-service-server-v1/src/main/java/com/iqser/red/service/redaction/report/v1/server/utils/ResourceLoader.java
+++ /dev/null
@@ -1,25 +0,0 @@
-package com.iqser.red.service.redaction.report.v1.server.utils;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.net.URL;
-
-import lombok.experimental.UtilityClass;
-
-@UtilityClass
-public class ResourceLoader {
-
-    public byte[] load(String classpathPath) {
-
-        URL resource = ResourceLoader.class.getClassLoader().getResource(classpathPath);
-        if (resource == null) {
-            throw new IllegalArgumentException("could not load classpath resource: " + classpathPath);
-        }
-        try (InputStream is = resource.openStream()) {
-            return is.readAllBytes();
-        } catch (IOException e) {
-            throw new IllegalArgumentException("could not load classpath resource: " + classpathPath, e);
-        }
-    }
-
-}
diff --git a/redaction-report-service-v1/redaction-report-service-server-v1/src/test/java/com/iqser/red/service/redaction/report/v1/server/utils/OsUtils.java b/redaction-report-service-v1/redaction-report-service-server-v1/src/test/java/com/iqser/red/service/redaction/report/v1/server/utils/OsUtils.java
index 2b3848b..52ea63f 100644
--- a/redaction-report-service-v1/redaction-report-service-server-v1/src/test/java/com/iqser/red/service/redaction/report/v1/server/utils/OsUtils.java
+++ b/redaction-report-service-v1/redaction-report-service-server-v1/src/test/java/com/iqser/red/service/redaction/report/v1/server/utils/OsUtils.java
@@ -2,7 +2,10 @@ package com.iqser.red.service.redaction.report.v1.server.utils;
 
 import org.apache.commons.lang3.StringUtils;
 
-public class OsUtils {
+import lombok.experimental.UtilityClass;
+
+@UtilityClass
+public final class OsUtils {
 
     public static boolean isWindows() {