diff --git a/activesupport/lib/active_support/core_ext/string/output_safety.rb b/activesupport/lib/active_support/core_ext/string/output_safety.rb
index 4089b02d4503d..f5622224d2d4f 100644
--- a/activesupport/lib/active_support/core_ext/string/output_safety.rb
+++ b/activesupport/lib/active_support/core_ext/string/output_safety.rb
@@ -126,9 +126,7 @@ def initialize_copy(other)
     end
 
     def clone_empty
-      new_safe_buffer = self[0, 0]
-      new_safe_buffer.instance_variable_set(:@dirty, @dirty)
-      new_safe_buffer
+      self[0, 0]
     end
 
     def concat(value)