diff --git a/tests/Serval.E2ETests/ServalClientHelper.cs b/tests/Serval.E2ETests/ServalClientHelper.cs
index bc983641..df1b209f 100644
--- a/tests/Serval.E2ETests/ServalClientHelper.cs
+++ b/tests/Serval.E2ETests/ServalClientHelper.cs
@@ -32,8 +32,7 @@ public ServalClientHelper(string audience, string prefix = "SCE_", bool ignoreSS
         TranslationBuildConfig = new TranslationBuildConfig
         {
             Pretranslate = new List<PretranslateCorpusConfig>(),
-            Options = "{\"max_steps\":10}",
-            TrainOn = new List<TrainingCorpusConfig>()
+            Options = "{\"max_steps\":10}"
         };
     }
 
@@ -87,7 +86,6 @@ public async Task ClearEngines(string name = "")
             }
         }
         TranslationBuildConfig.Pretranslate = new List<PretranslateCorpusConfig>();
-        TranslationBuildConfig.TrainOn = new List<TrainingCorpusConfig>();
         EnginePerUser.Clear();
     }