diff --git a/app/helpers/main_helper.rb b/app/helpers/main_helper.rb
--- a/app/helpers/main_helper.rb
+++ b/app/helpers/main_helper.rb
@@ -1,13 +1,3 @@
 module MainHelper
 
-  def format_short_time(time)
-    now = Time.now
-    st = ''
-    if (time.yday != now.yday) or
-	(time.year != now.year)
-      st = time.strftime("%x ")
-    end
-    st + time.strftime("%X")
-  end
-
 end