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-rw-r--r--lib/banzai/filter/sanitization_filter.rb4
1 files changed, 1 insertions, 3 deletions
diff --git a/lib/banzai/filter/sanitization_filter.rb b/lib/banzai/filter/sanitization_filter.rb
index 6e13282d5f4..ca80aac5a08 100644
--- a/lib/banzai/filter/sanitization_filter.rb
+++ b/lib/banzai/filter/sanitization_filter.rb
@@ -7,7 +7,7 @@ module Banzai
UNSAFE_PROTOCOLS = %w(data javascript vbscript).freeze
def whitelist
- whitelist = super.dup
+ whitelist = super
customize_whitelist(whitelist)
@@ -42,8 +42,6 @@ module Banzai
# Allow any protocol in `a` elements...
whitelist[:protocols].delete('a')
- whitelist[:transformers] = whitelist[:transformers].dup
-
# ...but then remove links with unsafe protocols
whitelist[:transformers].push(remove_unsafe_links)