diff --git a/src/main/java/ferramong/reports/App.java b/src/main/java/ferramong/reports/App.java
index b7ace4b..05d77b3 100644
--- a/src/main/java/ferramong/reports/App.java
+++ b/src/main/java/ferramong/reports/App.java
@@ -3,11 +3,6 @@
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
-/*
- * Para testar, rode o projeto e no navegador digite: http://localhost:8080/listall/fulano
- * Para modificar o banco de dados de testes (H2 - em memória), modifique 'resources/data.sql'
- */
-
 @SpringBootApplication
 public class App {
 
diff --git a/src/main/java/ferramong/reports/controllers/ReportsController.java b/src/main/java/ferramong/reports/controllers/ReportsController.java
index b53351a..9d4c99e 100644
--- a/src/main/java/ferramong/reports/controllers/ReportsController.java
+++ b/src/main/java/ferramong/reports/controllers/ReportsController.java
@@ -86,15 +86,6 @@ public void generateOngReport(@PathVariable("start")
 
         byte[] pdf = reportService.exportReportSales(start,end);
         streamReport(response, pdf, "vendas.pdf");
-        /*
-        HttpHeaders headers = new HttpHeaders();
-
-        headers.setContentType(MediaType.parseMediaType("application/pdf"));
-
-        headers.add("Content-Disposition", "inline; filename=" + "vendas.pdf");
-        headers.setCacheControl("must-revalidate, post-check=0, pre-check=0");
-        ResponseEntity<byte[]> response = new ResponseEntity<byte[]>(pdf, headers, HttpStatus.OK);
-        return response;*/
     }
 
     protected void streamReport(HttpServletResponse response, byte[] data, String name)
@@ -112,18 +103,7 @@ protected void streamReport(HttpServletResponse response, byte[] data, String na
     @GetMapping(value="/purchases/report/{id_dweller}", produces = MediaType.APPLICATION_JSON_VALUE)
     public void generateDwellerReport(@PathVariable("id_dweller") int idDweller,
                                         HttpServletResponse response) throws IOException, JRException {
-
-
         byte[] pdf = reportService.exportReportPurchases(idDweller);
         streamReport(response, pdf, "historico.pdf");
-        /*
-        HttpHeaders headers = new HttpHeaders();
-
-        headers.setContentType(MediaType.parseMediaType("application/pdf"));
-
-        headers.add("Content-Disposition", "inline; filename=" + "vendas.pdf");
-        headers.setCacheControl("must-revalidate, post-check=0, pre-check=0");
-        ResponseEntity<byte[]> response = new ResponseEntity<byte[]>(pdf, headers, HttpStatus.OK);
-        return response;*/
     }
 }
diff --git a/src/main/java/ferramong/reports/services/ReportService.java b/src/main/java/ferramong/reports/services/ReportService.java
index 5f558d7..ad01e5a 100644
--- a/src/main/java/ferramong/reports/services/ReportService.java
+++ b/src/main/java/ferramong/reports/services/ReportService.java
@@ -1,6 +1,5 @@
 package ferramong.reports.services;
 
-
 import ferramong.reports.entities.Purchases;
 import ferramong.reports.models.DwellerHistory;
 import ferramong.reports.models.Payment;
@@ -15,15 +14,6 @@
 import java.time.LocalDate;
 import java.util.*;
 
-/*
- * Service
- *      Terá a lógica principal
- *      Não tem a ver com modelagem de dados
- *      Não faz comunicação direta com bd (quem faz é 'repositories')
- *		Não é um estado (por outro lado, 'models' são)
- *		Não modela dados (quem faz isso são os 'models')
- */
-
 @Service
 @AllArgsConstructor
 public class ReportService {
@@ -40,8 +30,8 @@ public byte[] exportReportSales(Date start, Date end) throws FileNotFoundExcepti
         JRBeanCollectionDataSource dataSource=new JRBeanCollectionDataSource(payments);
         Map<String, Object> parameters = new HashMap<>();
         JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, parameters, dataSource);
-        return JasperExportManager.exportReportToPdf(jasperPrint);
 
+        return JasperExportManager.exportReportToPdf(jasperPrint);
     }
 
     public byte[] exportReportPurchases(int idDweller) throws FileNotFoundException, JRException {
@@ -58,19 +48,13 @@ public byte[] exportReportPurchases(int idDweller) throws FileNotFoundException,
             compras.get(i).setBalance(Purchases.getBalance(idDweller));
         }
 
-
         File file= ResourceUtils.getFile(path + "/historico.jrxml");
         JasperReport jasperReport= JasperCompileManager.compileReport(file.getAbsolutePath());
 
         JRBeanCollectionDataSource dataSource=new JRBeanCollectionDataSource(compras);
         Map<String, Object> parameters = new HashMap<>();
         JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, parameters, dataSource);
-        return JasperExportManager.exportReportToPdf(jasperPrint);
 
+        return JasperExportManager.exportReportToPdf(jasperPrint);
     }
-
-
-
-
-
 }