diff --git a/sources/RobotoFlex.designspace b/sources/RobotoFlex.designspace
index b70697650c..f13078c12a 100644
--- a/sources/RobotoFlex.designspace
+++ b/sources/RobotoFlex.designspace
@@ -1518,6 +1518,7 @@
       </location>
     </source>
   </sources>
+<!--
   <instances>
     <instance filename="instances/RobotoFlex_Thin.ufo" stylename="Thin">
       <location>
@@ -1900,4 +1901,5 @@
       <info/>
     </instance>
   </instances>
+-->
 </designspace>