diff --git a/lib/desktop/platform/system.ex b/lib/desktop/platform/system.ex
index 746f893..4f99537 100644
--- a/lib/desktop/platform/system.ex
+++ b/lib/desktop/platform/system.ex
@@ -49,15 +49,11 @@ defmodule Desktop.Platform.System do
         end
       end)
 
-    case raw do
-      nil ->
-        nil
-
-      str ->
-        case String.trim(str) do
-          "" -> nil
-          trimmed -> trimmed
-        end
+    if raw do
+      case String.trim(raw) do
+        "" -> nil
+        trimmed -> trimmed
+      end
     end
   end
 
diff --git a/test/desktop/platform_system_test.exs b/test/desktop/platform_system_test.exs
index d6ecb71..bbf0a12 100644
--- a/test/desktop/platform_system_test.exs
+++ b/test/desktop/platform_system_test.exs
@@ -16,7 +16,6 @@ defmodule Desktop.Platform.SystemTest do
 
     on_exit(fn ->
       Application.put_env(:desktop, :backend, previous)
-      Process.delete(:stub_os_description)
     end)
 
     :ok