diff --git a/constants/bad_data.php b/constants/bad_data.php
index d86829561e..ac5f51d55e 100644
--- a/constants/bad_data.php
+++ b/constants/bad_data.php
@@ -1042,7 +1042,6 @@
 '10.4103/0973-1229.87261',
 '10.4103/0974-9233.164615',
 '10.4267/pollution-atmospherique.4936',
-'10.5027/andgeoV50n2-3487',
 '10.5483/BMBRep.2004.37.1.122',
 '10.5483/BMBRep.2012.45.4.259',
 '10.5572/KOSAE.2008.24.4.439',