Index: generic/nsf.c
===================================================================
diff -u -r9cae9f80af4fe547559e5c1391ac706fe4fc8575 -r9c4fabbfe2874e767020574ca3c83c7edbda1519
--- generic/nsf.c	(.../nsf.c)	(revision 9cae9f80af4fe547559e5c1391ac706fe4fc8575)
+++ generic/nsf.c	(.../nsf.c)	(revision 9c4fabbfe2874e767020574ca3c83c7edbda1519)
@@ -32809,7 +32809,7 @@
    */
   Nsf_PointerExit(interp);
   Nsf_EnumerationTypeRelease(interp);
-  Nsf_CmdDefinitionRelease(interp);
+  Nsf_CmdDefinitionRelease();
 
 #if defined(NSF_PROFILE)
   NsfProfileFree(interp);
Index: generic/nsfCmdDefinitions.c
===================================================================
diff -u -r9cae9f80af4fe547559e5c1391ac706fe4fc8575 -r9c4fabbfe2874e767020574ca3c83c7edbda1519
--- generic/nsfCmdDefinitions.c	(.../nsfCmdDefinitions.c)	(revision 9cae9f80af4fe547559e5c1391ac706fe4fc8575)
+++ generic/nsfCmdDefinitions.c	(.../nsfCmdDefinitions.c)	(revision 9c4fabbfe2874e767020574ca3c83c7edbda1519)
@@ -86,10 +86,8 @@
  *----------------------------------------------------------------------
  */
 void
-Nsf_CmdDefinitionRelease(Tcl_Interp *interp) {
+Nsf_CmdDefinitionRelease(void) {
   
-  nonnull_assert(interp != NULL);
-  
   NsfMutexLock(&cmdDefinitionMutex);
   
   if (--cmdDefinitionRefCount < 1) {
Index: generic/nsfInt.h
===================================================================
diff -u -r9cae9f80af4fe547559e5c1391ac706fe4fc8575 -r9c4fabbfe2874e767020574ca3c83c7edbda1519
--- generic/nsfInt.h	(.../nsfInt.h)	(revision 9cae9f80af4fe547559e5c1391ac706fe4fc8575)
+++ generic/nsfInt.h	(.../nsfInt.h)	(revision 9c4fabbfe2874e767020574ca3c83c7edbda1519)
@@ -1255,10 +1255,7 @@
  * NSF command definitions interface
  */
 EXTERN void Nsf_CmdDefinitionInit(void);
-
-EXTERN void Nsf_CmdDefinitionRelease(Tcl_Interp *interp)
-  nonnull(1);
-
+EXTERN void Nsf_CmdDefinitionRelease(void);
 EXTERN Nsf_methodDefinition *Nsf_CmdDefinitionGet(Tcl_ObjCmdProc *proc)
   nonnull(1);