diff --git a/gc.c b/gc.c
index fdc388f3a3..3b373bef07 100644
--- a/gc.c
+++ b/gc.c
@@ -2362,23 +2362,6 @@ id2ref(VALUE obj, VALUE objid)
  *      "hi".freeze.object_id == "hi".freeze.object_id # => true
  */
 
-/*
- *  call-seq:
- *     obj.hash    -> fixnum
- *
- *  Generates a Fixnum hash value for this object.
- *
- *  This function must have the property that <code>a.eql?(b)</code> implies
- *  <code>a.hash == b.hash</code>.
- *
- *  The hash value is used by Hash class.
- *
- *  Any hash value that exceeds the capacity of a Fixnum will be truncated
- *  before being used.
- *
- *  See also Object#hash.
- */
-
 VALUE
 rb_obj_id(VALUE obj)
 {
diff --git a/object.c b/object.c
index 240b4f54d2..2fdbe4ec45 100644
--- a/object.c
+++ b/object.c
@@ -146,6 +146,9 @@ rb_obj_equal(VALUE obj1, VALUE obj2)
 }
 
 /*
+ * call-seq:
+ *    obj.hash    -> fixnum
+ *
  * Generates a Fixnum hash value for this object.  This function must have the
  * property that <code>a.eql?(b)</code> implies <code>a.hash == b.hash</code>.
  *