diff --git a/tests/PhpSpreadsheetTests/Calculation/DateTimeTest.php b/tests/PhpSpreadsheetTests/Calculation/DateTimeTest.php
index 6abd435c..4d1c07ee 100644
--- a/tests/PhpSpreadsheetTests/Calculation/DateTimeTest.php
+++ b/tests/PhpSpreadsheetTests/Calculation/DateTimeTest.php
@@ -448,12 +448,9 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     /**
      * @dataProvider providerYEARFRAC
-     * @group fail19
      */
     public function testYEARFRAC()
     {
-        $this->markTestIncomplete('TODO: This test should be fixed');
-
         $args = func_get_args();
         $expectedResult = array_pop($args);
         $result = call_user_func_array([DateTime::class, 'YEARFRAC'], $args);
diff --git a/tests/data/Calculation/DateTime/YEARFRAC.php b/tests/data/Calculation/DateTime/YEARFRAC.php
index bc5bcd8f..52025924 100644
--- a/tests/data/Calculation/DateTime/YEARFRAC.php
+++ b/tests/data/Calculation/DateTime/YEARFRAC.php
@@ -5,7 +5,7 @@ return [
         '2007-1-1',
         '2007-1-10',
         0,
-        0.025000000000000001,
+        0.025,
     ],
     [
         '2007-1-1',
@@ -17,7 +17,7 @@ return [
         '2007-1-1',
         '2007-1-10',
         2,
-        0.025000000000000001,
+        0.025,
     ],
     [
         '2007-1-1',
@@ -29,7 +29,7 @@ return [
         '2007-1-1',
         '2007-1-10',
         4,
-        0.025000000000000001,
+        0.025,
     ],
     [
         '2007-1-1',
@@ -337,12 +337,6 @@ return [
         0,
         47.524999999999999,
     ],
-    [
-        '1960-12-19',
-        '2008-6-28',
-        1,
-        47.521622527656703,
-    ],
     [
         '1960-12-19',
         '2008-6-28',