diff --git a/.smalltalk.ston b/.smalltalk.ston
index e3cadd7..4905f3d 100644
--- a/.smalltalk.ston
+++ b/.smalltalk.ston
@@ -5,8 +5,5 @@ SmalltalkCISpec {
       #directory : 'src',
       #platforms : [ #pharo ]
     }
-  ],
-  #testing : {
-    #packages : [ 'Toplo-Serialization-Tests' ]
-  }
+  ]
 }