diff --git a/ChangeLog b/ChangeLog
index a689ba577c..584a6b8895 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Apr  7 02:12:27 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* string.c (rb_str_intern): need not to check if tainted.
+	  [ruby-dev:34219]
+
 Sun Apr  6 09:45:00 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* dir.c (dir_tell): check if closed.  [ruby-core:16223]
diff --git a/string.c b/string.c
index ecdd0cbbe5..8f95b42fc1 100644
--- a/string.c
+++ b/string.c
@@ -5792,9 +5792,6 @@ rb_str_intern(VALUE s)
     VALUE str = RB_GC_GUARD(s);
     ID id;
 
-    if (OBJ_TAINTED(str) && rb_safe_level() >= 1) {
-	rb_raise(rb_eSecurityError, "Insecure: can't intern tainted string");
-    }
     id = rb_intern_str(str);
     return ID2SYM(id);
 }