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-rw-r--r--actionpack/lib/action_controller/rack_ext/parse_query.rb1
1 files changed, 0 insertions, 1 deletions
diff --git a/actionpack/lib/action_controller/rack_ext/parse_query.rb b/actionpack/lib/action_controller/rack_ext/parse_query.rb
index 2f21a57770..b1acef8e72 100644
--- a/actionpack/lib/action_controller/rack_ext/parse_query.rb
+++ b/actionpack/lib/action_controller/rack_ext/parse_query.rb
@@ -10,7 +10,6 @@ module Rack
def parse_query(qs, d = '&;')
qs = qs.dup
qs.chop! if qs[-1] == 0
- qs.gsub!(/&_=$/, '')
parse_query_without_ajax_body_cleanup(qs, d)
end
module_function :parse_query