diff --git a/src/main/java/com/iqser/red/pdftronlogic/commons/InvisibleElementRemovalService.java b/src/main/java/com/iqser/red/pdftronlogic/commons/InvisibleElementRemovalService.java
index e62040e..872b387 100644
--- a/src/main/java/com/iqser/red/pdftronlogic/commons/InvisibleElementRemovalService.java
+++ b/src/main/java/com/iqser/red/pdftronlogic/commons/InvisibleElementRemovalService.java
@@ -69,9 +69,10 @@ public class InvisibleElementRemovalService {
         } catch (Exception e) {
             log.error("File could not be saved after invisible element removal");
             throw new RuntimeException(e);
+        } finally {
+            pdfDoc.close();
         }
 
-        pdfDoc.close();
     }
 
 
diff --git a/src/main/java/com/iqser/red/pdftronlogic/commons/PdfTextExtraction.java b/src/main/java/com/iqser/red/pdftronlogic/commons/PdfTextExtraction.java
index 06d0ea4..bb6a762 100644
--- a/src/main/java/com/iqser/red/pdftronlogic/commons/PdfTextExtraction.java
+++ b/src/main/java/com/iqser/red/pdftronlogic/commons/PdfTextExtraction.java
@@ -11,7 +11,9 @@ import com.pdftron.pdf.Page;
 import com.pdftron.pdf.PageIterator;
 import com.pdftron.pdf.TextExtractor;
 
+import lombok.experimental.UtilityClass;
 
+@UtilityClass
 public class PdfTextExtraction {
 
     private static String execute(PDFDoc pdfDoc) throws IOException, PDFNetException{