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-rw-r--r--activesupport/lib/active_support/core_ext/date_time/calculations.rb2
1 files changed, 0 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/core_ext/date_time/calculations.rb b/activesupport/lib/active_support/core_ext/date_time/calculations.rb
index 48cf1a435d..1a3cf66a1b 100644
--- a/activesupport/lib/active_support/core_ext/date_time/calculations.rb
+++ b/activesupport/lib/active_support/core_ext/date_time/calculations.rb
@@ -1,5 +1,3 @@
-require 'rational' unless RUBY_VERSION >= '1.9.2'
-
class DateTime
class << self
# DateTimes aren't aware of DST rules, so use a consistent non-DST offset when creating a DateTime with an offset in the local zone