diff --git a/mount_darwin.go b/mount_darwin.go
index 1f9bc55..4980396 100644
--- a/mount_darwin.go
+++ b/mount_darwin.go
@@ -11,11 +11,6 @@ import (
 	"syscall"
 )
 
-// OS X appears to cap the size of writes to 1 MiB. This constant is also used
-// for sizing receive buffers, so make it as small as it can be without
-// limiting write sizes.
-const maxWrite = 1 << 20
-
 var errNoAvail = errors.New("no available fuse devices")
 
 var errNotLoaded = errors.New("osxfusefs is not loaded")