Index: generic/nsfCmdDefinitions.c
===================================================================
diff -u -r23581e9c7855932e91f34bb638529990e9105d18 -r9cae9f80af4fe547559e5c1391ac706fe4fc8575
--- generic/nsfCmdDefinitions.c	(.../nsfCmdDefinitions.c)	(revision 23581e9c7855932e91f34bb638529990e9105d18)
+++ generic/nsfCmdDefinitions.c	(.../nsfCmdDefinitions.c)	(revision 9cae9f80af4fe547559e5c1391ac706fe4fc8575)
@@ -60,10 +60,8 @@
  *----------------------------------------------------------------------
  */
 void
-Nsf_CmdDefinitionInit(Tcl_Interp *interp) {
+Nsf_CmdDefinitionInit(void) {
 
-  nonnull_assert(interp != NULL);
-
   NsfMutexLock(&cmdDefinitionMutex);
 
   if (cmdDefinitionRefCount == 0) {