diff --git a/README.md b/README.md
index 01f1385..881a57f 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,9 @@ WiseEnvironment.setDefaultProperty(WiseEnvironment.CUSTOM_ENVIRONMENT, "tw-relia
 
 See `WiseEnvironment` class for other optional use cases. E.g. asking which environments are currently active.
 
+The environments themselves can be hierarchical. In that sense, that if you set a default property to `STAGING`, it would also apply to
+`CUSTOM_ENVIRONMENT`, unless a different value is specifically set for `CUSTOM_ENVIRONMENT`.
+
 ## License
 Copyright 2024 TransferWise Ltd.
 
diff --git a/wise-environment-starter/src/test/resources/application.yml b/wise-environment-starter/src/test/resources/application.yml
index f270e6b..ab7756c 100644
--- a/wise-environment-starter/src/test/resources/application.yml
+++ b/wise-environment-starter/src/test/resources/application.yml
@@ -1,11 +1,3 @@
-wise:
-  environment:
-    test:
-      value1: blah
-      value3: blah
-
----
-
 spring:
   config:
     activate: