Index: library/nx/nx.tcl
===================================================================
diff -u -r915842c26db98121eb7ed1c6adfbe499ce586cac -r75bdefce85cff349831dbca1900153fca956574c
--- library/nx/nx.tcl	(.../nx.tcl)	(revision 915842c26db98121eb7ed1c6adfbe499ce586cac)
+++ library/nx/nx.tcl	(.../nx.tcl)	(revision 75bdefce85cff349831dbca1900153fca956574c)
@@ -1767,13 +1767,6 @@
   # create user-level converter/checker based on ::nsf primitves
   ##################################################################
 
-  Slot method type=hasmixin {name value arg} {
-    if {![::nsf::objectproperty $value hasmixin $arg]} {
-      error "expected object with mixin $arg but got \"$value\" for parameter $name"
-    }
-    return $value
-  }
-
   Slot method type=baseclass {name value} {
     if {![::nsf::objectproperty $value baseclass]} {
       error "expected baseclass but got \"$value\" for parameter $name"