diff --git a/apps/expert/mix.exs b/apps/expert/mix.exs
index 979fb235..219b9428 100644
--- a/apps/expert/mix.exs
+++ b/apps/expert/mix.exs
@@ -23,7 +23,7 @@ defmodule Expert.MixProject do
 
   def application do
     [
-      extra_applications: [:logger, :runtime_tools, :kernel, :erts, :observer],
+      extra_applications: [:logger, :runtime_tools, :kernel, :observer],
       mod: {Expert.Application, []}
     ]
   end