diff --git a/rebar.config b/rebar.config
index 7b70726..261c9b6 100644
--- a/rebar.config
+++ b/rebar.config
@@ -26,11 +26,6 @@
            , {meck,        "0.8.10"}
            , {xref_runner, "1.1.0"}
     ]}
-  ]},
-  {shell, [
-    {deps, [
-      {sync, {git, "https://github.com/rustyio/sync.git", {ref, "9c78e7b"}}}
-    ]}
   ]}
 ]}.
 
@@ -83,10 +78,6 @@
            , {base_plt_apps, [stdlib, kernel]}
            , {base_plt_location, global}]}.
 
-%% == Shell ==
-
-{shell, [{apps, [sync]}]}.
-
 {escript_main_app, elvis}.
 {escript_name, "elvis"}.
 % Needed because the script refers to elvis folder instead elvis_shell