diff --git a/src/CodeCoverage.php b/src/CodeCoverage.php
index 06161e299..f0982ebf7 100644
--- a/src/CodeCoverage.php
+++ b/src/CodeCoverage.php
@@ -571,10 +571,6 @@ private function applyIgnoredLinesFilter(array &$data)
             foreach ($this->getLinesToBeIgnored($filename) as $line) {
                 unset($data[$filename][$line]);
             }
-
-            if (empty($data[$filename])) {
-                unset($data[$filename]);
-            }
         }
     }