diff --git a/newlib/libc/misc/lock.c b/newlib/libc/misc/lock.c
index 545511e78..c03c36a1e 100644
--- a/newlib/libc/misc/lock.c
+++ b/newlib/libc/misc/lock.c
@@ -2,8 +2,6 @@
 FUNCTION
 <<__retarget_lock_init>>, <<__retarget_lock_init_recursive>>, <<__retarget_lock_close>>, <<__retarget_lock_close_recursive>>, <<__retarget_lock_acquire>>, <<__retarget_lock_acquire_recursive>>, <<__retarget_lock_try_acquire>>, <<__retarget_lock_try_acquire_recursive>>, <<__retarget_lock_release>>, <<__retarget_lock_release_recursive>>---locking routines
 
-INDEX
-	__lock___sinit_recursive_mutex
 INDEX
 	__lock___sfp_recursive_mutex
 INDEX
@@ -44,7 +42,6 @@ INDEX
 
 SYNOPSIS
 	#include <lock.h>
-	struct __lock __lock___sinit_recursive_mutex;
 	struct __lock __lock___sfp_recursive_mutex;
 	struct __lock __lock___atexit_recursive_mutex;
 	struct __lock __lock___at_quick_exit_mutex;
@@ -92,7 +89,6 @@ struct __lock {
   char unused;
 };
 
-struct __lock __lock___sinit_recursive_mutex;
 struct __lock __lock___sfp_recursive_mutex;
 struct __lock __lock___atexit_recursive_mutex;
 struct __lock __lock___at_quick_exit_mutex;
diff --git a/newlib/libc/stdio/findfp.c b/newlib/libc/stdio/findfp.c
index 66867e664..afbdad9b1 100644
--- a/newlib/libc/stdio/findfp.c
+++ b/newlib/libc/stdio/findfp.c
@@ -235,11 +235,11 @@ cleanup_stdio (struct _reent *ptr)
 void
 __sinit (struct _reent *s)
 {
-  __sinit_lock_acquire ();
+  __sfp_lock_acquire ();
 
   if (s->__cleanup)
     {
-      __sinit_lock_release ();
+      __sfp_lock_release ();
       return;
     }
 
@@ -268,13 +268,12 @@ __sinit (struct _reent *s)
   stderr_init (s->_stderr);
 #endif /* _REENT_GLOBAL_STDIO_STREAMS */
 
-  __sinit_lock_release ();
+  __sfp_lock_release ();
 }
 
 #ifndef __SINGLE_THREAD__
 
 __LOCK_INIT_RECURSIVE(static, __sfp_recursive_mutex);
-__LOCK_INIT_RECURSIVE(static, __sinit_recursive_mutex);
 
 void
 __sfp_lock_acquire (void)
@@ -288,18 +287,6 @@ __sfp_lock_release (void)
   __lock_release_recursive (__sfp_recursive_mutex);
 }
 
-void
-__sinit_lock_acquire (void)
-{
-  __lock_acquire_recursive (__sinit_recursive_mutex);
-}
-
-void
-__sinit_lock_release (void)
-{
-  __lock_release_recursive (__sinit_recursive_mutex);
-}
-
 /* Walkable file locking routine.  */
 static int
 __fp_lock (struct _reent * ptr __unused, FILE * fp)
diff --git a/newlib/libc/stdio/local.h b/newlib/libc/stdio/local.h
index 30c534dcd..9c6f63fdb 100644
--- a/newlib/libc/stdio/local.h
+++ b/newlib/libc/stdio/local.h
@@ -287,8 +287,6 @@ char *_llicvt (char *, long long, char);
 #else
 void __sfp_lock_acquire (void);
 void __sfp_lock_release (void);
-void __sinit_lock_acquire (void);
-void __sinit_lock_release (void);
 #endif
 
 /* Types used in positional argument support in vfprinf/vfwprintf.