diff --git a/.travis.yml b/.travis.yml
index dde3669..fd1b1aa 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,11 +9,12 @@ before_script:
   - composer install --prefer-source --no-interaction
 
 install:
-  - composer require satooshi/php-coveralls
   - |
     if [ $(phpenv version-name) = "7.1" ]; then
+    composer require php-coveralls/php-coveralls;
     composer require --dev phpstan/phpstan;
     fi
+
 script:
   - mkdir -p build/logs
   - |
@@ -23,4 +24,7 @@ script:
   - vendor/bin/phpunit --configuration phpunit.xml --coverage-clover build/logs/clover.xml
 
 after_success:
-  - travis_retry php vendor/bin/coveralls -v
\ No newline at end of file
+  - |
+    if [ $(phpenv version-name) = "7.1" ]; then
+    travis_retry php vendor/bin/php-coveralls -v;
+    fi
\ No newline at end of file
diff --git a/src/Ws/Services/BaseSunat.php b/src/Ws/Services/BaseSunat.php
index ccc36a5..187f02b 100644
--- a/src/Ws/Services/BaseSunat.php
+++ b/src/Ws/Services/BaseSunat.php
@@ -8,6 +8,7 @@
 
 namespace Greenter\Ws\Services;
 
+use Greenter\Model\Response\BillResult;
 use Greenter\Model\Response\Error;
 use Greenter\Validator\ErrorCodeProviderInterface;
 use Greenter\Ws\Reader\CdrReaderInterface;
@@ -167,6 +168,26 @@ protected function getMessageError($code)
         return $this->codeProvider->getValue($code);
     }
 
+    protected function isExceptionCode($code)
+    {
+        $value = intval($code);
+
+        return $value >= 100 && $value <= 1999;
+    }
+
+    protected function loadErrorByCode(BillResult $result, $code)
+    {
+        $error = $this->getErrorByCode($code);
+
+        if (empty($error->getMessage()) && $result->getCdrResponse()) {
+            $error->setMessage($result->getCdrResponse()->getDescription());
+        }
+
+        $result
+            ->setSuccess(false)
+            ->setError($error);
+    }
+
     private function getXmlResponse($content)
     {
         $filter = function ($filename) {
@@ -186,4 +207,5 @@ private function getFileExtension($filename)
 
         return substr($filename, $lastDotPos + 1);
     }
+
 }
diff --git a/src/Ws/Services/ConsultCdrService.php b/src/Ws/Services/ConsultCdrService.php
index b65e8a8..5cbabf0 100644
--- a/src/Ws/Services/ConsultCdrService.php
+++ b/src/Ws/Services/ConsultCdrService.php
@@ -81,24 +81,4 @@ private function getStatusResult($method, $resultName, $ruc, $tipo, $serie, $num
 
         return $result;
     }
-
-    private function isExceptionCode($code)
-    {
-        $value = intval($code);
-
-        return $value >= 100 && $value <= 1999;
-    }
-
-    private function loadErrorByCode(StatusCdrResult $result, $code)
-    {
-        $error = $this->getErrorByCode($code);
-
-        if (empty($error->getMessage()) && $result->getCdrResponse()) {
-            $error->setMessage($result->getCdrResponse()->getDescription());
-        }
-
-        $result
-            ->setSuccess(false)
-            ->setError($error);
-    }
 }
diff --git a/src/Ws/Services/ExtService.php b/src/Ws/Services/ExtService.php
index 904f1d6..0d0db94 100644
--- a/src/Ws/Services/ExtService.php
+++ b/src/Ws/Services/ExtService.php
@@ -43,47 +43,14 @@ public function getStatus($ticket)
                 $result
                     ->setCdrResponse($this->extractResponse($cdrZip))
                     ->setCdrZip($cdrZip);
-            }
-        } catch (\SoapFault $e) {
-            $result->setError($this->getErrorFromFault($e));
-        }
 
-        return $result;
-    }
-
-    /**
-     * @deprecated Use instead \Greenter\Ws\Services\ConsultCdrService
-     *
-     * @param string $ruc
-     * @param string $tipo
-     * @param string $serie
-     * @param int $numero
-     *
-     * @return StatusCdrResult
-     */
-    public function getCdrStatus($ruc, $tipo, $serie, $numero)
-    {
-        $client = $this->getClient();
-        $result = new StatusCdrResult();
-
-        try {
-            $params = [
-                'rucComprobante' => $ruc,
-                'tipoComprobante' => $tipo,
-                'serieComprobante' => $serie,
-                'numeroComprobante' => $numero,
-            ];
-            $response = $client->call('getStatusCdr', ['parameters' => $params]);
-            $statusCdr = $response->statusCdr;
-
-            $result->setCode($statusCdr->statusCode)
-                ->setMessage($statusCdr->statusMessage)
-                ->setCdrZip($statusCdr->content)
-                ->setSuccess(true);
+                $code = $result->getCdrResponse()->getCode();
+            }
 
-            if ($statusCdr->content) {
-                $result->setCdrResponse($this->extractResponse($statusCdr->content));
+            if ($this->isExceptionCode($code)) {
+                $this->loadErrorByCode($result, $code);
             }
+
         } catch (\SoapFault $e) {
             $result->setError($this->getErrorFromFault($e));
         }
diff --git a/tests/Ws/Services/FeSunatTest.php b/tests/Ws/Services/FeSunatTest.php
index da615f8..9d8fc52 100644
--- a/tests/Ws/Services/FeSunatTest.php
+++ b/tests/Ws/Services/FeSunatTest.php
@@ -133,26 +133,6 @@ public function testGetStatus()
         $this->assertContains('aceptada', $result->getCdrResponse()->getDescription());
     }
 
-    public function testGetCdrStatus()
-    {
-        $wss = $this->getExtSender();
-        $result = $wss->getCdrStatus('20000000001', '01', 'F001', '1');
-
-        $this->assertTrue($result->isSuccess());
-        $this->assertEquals('0', $result->getCode());
-        $this->assertNotEmpty($result->getMessage());
-        $this->assertNotNull($result->getCdrResponse());
-        $this->assertContains('aceptada', $result->getCdrResponse()->getDescription());
-    }
-
-    public function testInvalidCdrStatus()
-    {
-        $wss = $this->getExtSunat();
-        $result = $wss->getCdrStatus('20000000001', '01', 'F001', '1');
-
-        $this->assertFalse($result->isSuccess());
-    }
-
     /**
      * @dataProvider codeProvider
      * @param $code