diff --git a/lib/logaling/external_glossaries/edict.rb b/lib/logaling/external_glossaries/edict.rb
index a269679..2f4b336 100644
--- a/lib/logaling/external_glossaries/edict.rb
+++ b/lib/logaling/external_glossaries/edict.rb
@@ -14,8 +14,6 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 require 'open-uri'
-require 'zlib'
-require 'stringio'
 
 module Logaling
   class Edict < ExternalGlossary
@@ -29,20 +27,13 @@ class Edict < ExternalGlossary
     def convert_to_csv(csv)
       puts "downloading edict file..."
       url = 'http://ftp.monash.edu.au/pub/nihongo/edict.gz'
-      Zlib::GzipReader.open(open(url)) do |gz|
-        puts "importing edict file..."
-
-        lines = StringIO.new(gz.read).each_line
-
-        lines.next # skip header
-
-        preprocessed_lines = lines.map do |line|
-          line.encode("UTF-8", "EUC-JP").chomp
-        end
-
-        preprocessed_lines.each do |line|
-          source, target = line.split('/', 2)
-          source = source.strip
+      open(url) do |edict|
+        edict.gets # skip header
+        edict.each_line do |raw_line|
+          line = raw_line.encode("UTF-8", "EUC-JP").chomp
+          target, source = line.split('/', 2)
+          source.strip!
+          target.strip!
           csv << [source, target]
         end
       end