Merge remote branch 'cloudant:fix-unused-variable-warning'

This closes #73

Signed-off-by: Eric Avdey <eiri@eiri.ca>
diff --git a/src/couch_mrview_index.erl b/src/couch_mrview_index.erl
index a65bc94..0473d5d 100644
--- a/src/couch_mrview_index.erl
+++ b/src/couch_mrview_index.erl
@@ -57,8 +57,7 @@
         language = Lang,
         update_seq = UpdateSeq,
         purge_seq = PurgeSeq,
-        views = Views,
-        design_opts = Opts
+        views = Views
     } = State,
     {ok, FileSize} = couch_file:bytes(Fd),
     {ok, ExternalSize} = couch_mrview_util:calculate_external_size(Views),
@@ -70,11 +69,6 @@
     end,
     ActiveSize = couch_btree:size(IdBtree) + LogBtSize + ExternalSize,
 
-    IncDesign = couch_util:get_value(<<"include_design">>, Opts, false),
-    LocalSeq = couch_util:get_value(<<"local_seq">>, Opts, false),
-    SeqIndexed = couch_util:get_value(<<"seq_indexed">>, Opts, false),
-    KeySeqIndexed = couch_util:get_value(<<"keyseq_indexed">>, Opts, false),
-
     UpdateOptions0 = get(update_options, State),
     UpdateOptions = [atom_to_binary(O, latin1) || O <- UpdateOptions0],