diff --git a/arch/x86/core/nanocontext.c b/arch/x86/core/nanocontext.c
index 4f5d6ee6b70..f0436562a7f 100644
--- a/arch/x86/core/nanocontext.c
+++ b/arch/x86/core/nanocontext.c
@@ -67,8 +67,7 @@ void _ContextEntryWrapper(_ContextEntry, _ContextArg, _ContextArg, _ContextArg);
 * contexts, kernel task contexts and user mode task contexts.  The 'priority'
 * parameter will be set to -1 for the creation of task context.
 *
-* This function is called by _NewContext() and _NewContextUsr() to initialize
-* task contexts.
+* This function is called by _NewContext() to initialize task contexts.
 *
 * RETURNS: N/A
 *
diff --git a/arch/x86/include/nanok.h b/arch/x86/include/nanok.h
index 8f7c9f991be..dfebe430222 100644
--- a/arch/x86/include/nanok.h
+++ b/arch/x86/include/nanok.h
@@ -891,7 +891,6 @@ extern void nano_cpu_atomic_idle(unsigned int imask);
 extern unsigned _Swap(unsigned int mask);
 extern void _insert_ccs(tCCS **queue, tCCS *ccs);
 
-extern void _NewContextUsr(void *ccs, int prio, unsigned options);
 extern void *_NewContext(char *pStack,
 			 unsigned stackSize,
 			 _ContextEntry pEntry,