diff --git a/Documentation/vm/page_owner.rst b/Documentation/vm/page_owner.rst
index c4de6f8dabe9..65204d7f004f 100644
--- a/Documentation/vm/page_owner.rst
+++ b/Documentation/vm/page_owner.rst
@@ -125,7 +125,6 @@ Usage
    additional function:
 
 	Cull:
-		-c		Cull by comparing stacktrace instead of total block.
 		--cull <rules>
 				Specify culling rules.Culling syntax is key[,key[,...]].Choose a
 				multi-letter key from the **STANDARD FORMAT SPECIFIERS** section.