diff --git a/lib/zip/extra_field/generic.rb b/lib/zip/extra_field/generic.rb
index 5eb702d6..9237a1db 100644
--- a/lib/zip/extra_field/generic.rb
+++ b/lib/zip/extra_field/generic.rb
@@ -22,15 +22,6 @@ def initial_parse(binstr)
       [binstr[2, 2].unpack1('v'), binstr[4..-1]]
     end
 
-    def ==(other)
-      return false if self.class != other.class
-
-      each do |k, v|
-        return false if v != other[k]
-      end
-      true
-    end
-
     def to_local_bin
       s = pack_for_local
       self.class.const_get(:HEADER_ID) + [s.bytesize].pack('v') << s