Index: generic/predefined.xotcl
===================================================================
diff -u -r04747ba752ca2b7a4f30586348e39ab04f190da9 -r88ef0a6d60c84d75b1436e8cc0e8f8f5d176328e
--- generic/predefined.xotcl	(.../predefined.xotcl)	(revision 04747ba752ca2b7a4f30586348e39ab04f190da9)
+++ generic/predefined.xotcl	(.../predefined.xotcl)	(revision 88ef0a6d60c84d75b1436e8cc0e8f8f5d176328e)
@@ -16,7 +16,9 @@
 
   # provide the standard command set for ::xotcl2::Object
   foreach cmd [info command ::xotcl::cmd::Object::*] {
-    ::xotcl::alias Object [namespace tail $cmd] $cmd 
+    set cmdName [namespace tail $cmd]
+    if {$cmdName in [list "instvar"]} continue
+    ::xotcl::alias Object $cmdName $cmd 
   }
   
   # provide some Tcl-commands as methods for ::xotcl2::Object