1 files changed, 0 insertions, 2 deletions
diff --git a/io.c b/io.c
index 37a30fa0d0..195392e565 100644
--- a/io.c
+++ b/io.c
@@ -463,10 +463,8 @@ io_write(io, str)
     f = GetWriteFile(fptr);
 
     rb_str_locktmp(str);
-    rb_str_locktmp(str);
     n = rb_io_fwrite(RSTRING(str)->ptr, RSTRING(str)->len, f);
     rb_str_unlocktmp(str);
-    rb_str_unlocktmp(str);
     if (n == -1L) rb_sys_fail(fptr->path);
     if (fptr->mode & FMODE_SYNC) {
 	io_fflush(f, fptr);