Removed unused variable

1 files changed, 0 insertions, 1 deletions

diff --git a/lib/axlsx/workbook/worksheet/protected_range.rb b/lib/axlsx/workbook/worksheet/protected_range.rb
index c58b895d..15904292 100644
--- a/lib/axlsx/workbook/worksheet/protected_range.rb
+++ b/lib/axlsx/workbook/worksheet/protected_range.rb
@@ -41,7 +41,6 @@ module Axlsx
     # our output to that object. Use this - it helps limit the number of
     # objects created during serialization
     def to_xml_string(str="")
-      attrs = self.instance_values.reject{ |key, value| value == nil }
       str << '<protectedRange '
       serialized_attributes str
       str << '/>'