diff --git a/ChangeLog b/ChangeLog
index 35148560df..a4e7d74659 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,3 @@
-Wed Oct 28 05:59:19 2015  NARUSE, Yui  <naruse@ruby-lang.org>
-
-	* lib/rinda/ring.rb: Linux's SO_REUSEPORT is not for multicast.
-
 Tue Oct 27 23:14:14 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* defs/id.def: enable anonymous IDs not to expose internal IDs for
diff --git a/lib/rinda/ring.rb b/lib/rinda/ring.rb
index 784d0d503d..fe33420494 100644
--- a/lib/rinda/ring.rb
+++ b/lib/rinda/ring.rb
@@ -137,7 +137,7 @@ module Rinda
       @sockets << socket
 
       if addrinfo.ipv4_multicast? or addrinfo.ipv6_multicast? then
-        if Socket.const_defined?(:SO_REUSEPORT) && /linux/ !~ RUBY_PLATFORM then
+        if Socket.const_defined?(:SO_REUSEPORT) then
           socket.setsockopt(:SOCKET, :SO_REUSEPORT, true)
         else
           socket.setsockopt(:SOCKET, :SO_REUSEADDR, true)