diff --git a/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/CasesTest.php b/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/CasesTest.php
index cccb6283e..99778d4f2 100644
--- a/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/CasesTest.php
+++ b/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/CasesTest.php
@@ -77,33 +77,4 @@ class CasesTest extends TestCase
         $case = new Cases();
         $case->deleteCase($application->APP_UID, $_SESSION['USER_LOGGED']);
     }
-    /**
-     * This checks the validation of documents
-     * 
-     * @covers \ProcessMaker\BusinessModel\Cases::validateAppDocUid()
-     * @test
-     */
-    public function it_should_validate_app_doc_uid()
-    {
-        $arrayVariableDocument = [
-            0 => [
-                "appDocUid" => "4371401485e7cd60d160062060139220",
-                "name" => "test_1.txt",
-                "version" => "1"
-            ],
-            1 => [
-                "name" => "test_1.txt",
-                "version" => "1"
-            ],
-            2 => [
-                "appDocUid" => "6837968225e7cd60dc17588042896388",
-                "name" => "test_1.txt",
-                "version" => "1"
-            ]
-        ];
-        $case = new Cases();
-        $newArrayVariableDocument = $case->validateAppDocUid($arrayVariableDocument);
-        $this->assertNotEmpty($newArrayVariableDocument);
-        $this->assertNotEquals($newArrayVariableDocument, $arrayVariableDocument);
-    }
 }
diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/Cases.php b/workflow/engine/src/ProcessMaker/BusinessModel/Cases.php
index edf64d925..c8e078d8a 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/Cases.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/Cases.php
@@ -3230,8 +3230,6 @@ class Cases
         $arrayApplicationData = $this->getApplicationRecordByPk($applicationUid, [], false);
         $arrayApplicationData['APP_DATA'] = $case->unserializeData($arrayApplicationData['APP_DATA']);
         $flagDelete = false;
-        $arrayVariableDocumentToDelete = $this->validateAppDocUid($arrayVariableDocumentToDelete);
-
         foreach ($arrayVariableDocumentToDelete as $key => $value) {
             if (is_array($value) && !empty($value)) {
                 $type = '';
@@ -3256,13 +3254,15 @@ class Cases
                         $arrayDocumentDelete = $value;
 
                         foreach ($arrayDocumentDelete as $value2) {
-                            $appDocument->remove($value2['appDocUid'], (int)($value2['version']));
+                            if ($value2['appDocUid'] !== "") {
+                                $appDocument->remove($value2['appDocUid'], (int)($value2['version']));
 
-                            $arrayApplicationData['APP_DATA'] = $this->applicationDataDeleteMultipleFile(
-                                $arrayApplicationData['APP_DATA'], $variable, null, $type, $value2
-                            );
+                                $arrayApplicationData['APP_DATA'] = $this->applicationDataDeleteMultipleFile(
+                                    $arrayApplicationData['APP_DATA'], $variable, null, $type, $value2
+                                );
 
-                            $flagDelete = true;
+                                $flagDelete = true;
+                            }
                         }
                         break;
                     case 'GRID':
@@ -3274,13 +3274,15 @@ class Cases
                                 $arrayDocumentDelete = $value3;
 
                                 foreach ($arrayDocumentDelete as $value4) {
-                                    $appDocument->remove($value4['appDocUid'], (int)($value4['version']));
+                                    if ($value4['appDocUid'] !== "") {
+                                        $appDocument->remove($value4['appDocUid'], (int)($value4['version']));
 
-                                    $arrayApplicationData['APP_DATA'] = $this->applicationDataDeleteMultipleFile(
-                                        $arrayApplicationData['APP_DATA'], $grid, $variable, $type, $value4
-                                    );
+                                        $arrayApplicationData['APP_DATA'] = $this->applicationDataDeleteMultipleFile(
+                                            $arrayApplicationData['APP_DATA'], $grid, $variable, $type, $value4
+                                        );
 
-                                    $flagDelete = true;
+                                        $flagDelete = true;
+                                    }
                                 }
                             }
                         }
@@ -3316,24 +3318,6 @@ class Cases
         }
     }
 
-    /**
-     * Validate if all documents have appDocUid
-     * 
-     * @param array $arrayVariableDocument
-     * 
-     * @return array
-     */
-    public function validateAppDocUid(array $arrayVariableDocument)
-    {
-        $newArrayVariableDocument = [];
-        foreach ($arrayVariableDocument as $value) {
-            if (array_key_exists('appDocUid', $value)) {
-                $newArrayVariableDocument[] = $value;
-            }
-        }
-        return $newArrayVariableDocument;
-    }
-
     /**
      * Get Permissions, Participate, Access, Objects supervisor
      *