1 files changed, 0 insertions, 41 deletions
diff --git a/activesupport/lib/active_support/weak_hash.rb b/activesupport/lib/active_support/weak_hash.rb
deleted file mode 100644
index d6096e606e..0000000000
--- a/activesupport/lib/active_support/weak_hash.rb
+++ /dev/null
@@ -1,41 +0,0 @@
-module ActiveSupport
-  if defined?(RUBY_ENGINE) && RUBY_ENGINE == 'jruby'
-    WeakHash = ::Weakling::WeakHash
-  else
-    class WeakHash
-      def initialize(cache = Hash.new)
-        @cache = cache
-        @key_map = {}
-        @rev_cache = Hash.new{|h,k| h[k] = {}}
-        @reclaim_value = lambda do |value_id|
-          if value = @rev_cache.delete(value_id)
-            value.each_key{|key| @cache.delete key}
-          end
-        end
-      end
-
-      def [](key)
-        value_id = @cache[key]
-        value_id && ObjectSpace._id2ref(value_id)
-      rescue RangeError
-        nil
-      end
-
-      def []=(key, value)
-        @rev_cache[value.object_id][key] = true
-        @cache[key] = value.object_id
-        @key_map[key.object_id] = key
-
-        ObjectSpace.define_finalizer(value, @reclaim_value)
-      end
-
-      def clear
-        @cache.clear
-      end
-
-      def delete(key)
-        @cache.delete(key)
-      end
-    end
-  end
-end