diff --git a/nursery/reference-screen-saver-executable.yml b/nursery/reference-screen-saver-executable.yml
deleted file mode 100644
index a916936f..00000000
--- a/nursery/reference-screen-saver-executable.yml
+++ /dev/null
@@ -1,19 +0,0 @@
-rule:
-  meta:
-    name: persist via screensaver registry key
-    namespace: persistence/screensaver
-    authors:
-      - michael.hunhoff@mandiant.com
-    description: SCRNSAVE.EXE registry value specifies the name of the screen saver executable file
-    scopes:
-      static: function
-      dynamic: call
-    att&ck:
-      - Persistence::Event Triggered Execution::Screensaver [T1546.002]
-  features:
-    - and:
-      - match: set registry value
-      - string: /Control Panel\\Desktop/i
-      - string: /^SCRNSAVE.EXE$/i
-      - optional:
-        - string: "ScreenSaveTimeOut"