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-rw-r--r--activesupport/lib/active_support/duration/iso8601_parser.rb4
-rw-r--r--activesupport/lib/active_support/duration/iso8601_serializer.rb2
2 files changed, 3 insertions, 3 deletions
diff --git a/activesupport/lib/active_support/duration/iso8601_parser.rb b/activesupport/lib/active_support/duration/iso8601_parser.rb
index 414f727705..d3233e6111 100644
--- a/activesupport/lib/active_support/duration/iso8601_parser.rb
+++ b/activesupport/lib/active_support/duration/iso8601_parser.rb
@@ -13,8 +13,8 @@ module ActiveSupport
class ParsingError < ::ArgumentError; end
PERIOD_OR_COMMA = /\.|,/
- PERIOD = ".".freeze
- COMMA = ",".freeze
+ PERIOD = "."
+ COMMA = ","
SIGN_MARKER = /\A\-|\+|/
DATE_MARKER = /P/
diff --git a/activesupport/lib/active_support/duration/iso8601_serializer.rb b/activesupport/lib/active_support/duration/iso8601_serializer.rb
index 0fb0e3f3a5..1125454919 100644
--- a/activesupport/lib/active_support/duration/iso8601_serializer.rb
+++ b/activesupport/lib/active_support/duration/iso8601_serializer.rb
@@ -14,7 +14,7 @@ module ActiveSupport
# Builds and returns output string.
def serialize
parts, sign = normalize
- return "PT0S".freeze if parts.empty?
+ return "PT0S" if parts.empty?
output = +"P"
output << "#{parts[:years]}Y" if parts.key?(:years)