diff --git a/man/xform_brain.Rd b/man/xform_brain.Rd
index 44829c1..2722f5a 100644
--- a/man/xform_brain.Rd
+++ b/man/xform_brain.Rd
@@ -18,10 +18,6 @@ transformed into.}
 \item{via}{optional intermediate brain to use when there is no direct
 bridging registration.}
 
-\item{target}{Optional argument specifying an image file on disk or a
-\code{templatebrain} object that defines the space of the registered
-image data. This is only relevant for image data.}
-
 \item{imagedata}{Whether \code{x} should be treated as image data (presently
 only supported as a file on disk) or 3D object vertices - see details.}