diff --git a/modules/io/src/mol/mmcif_reader.cc b/modules/io/src/mol/mmcif_reader.cc
index 7f7966ce116726fae4e8d4c05f2257a1155fdc01..7ddde3b2cf53f36807b659cb943f13207ed0a203 100644
--- a/modules/io/src/mol/mmcif_reader.cc
+++ b/modules/io/src/mol/mmcif_reader.cc
@@ -28,10 +28,6 @@
 
 #include <ost/io/mol/mmcif_reader.hh>
 
-
-
-#include <iostream>
-
 namespace ost { namespace io {