diff --git a/lib/rein/constraint/foreign_key.rb b/lib/rein/constraint/foreign_key.rb
index a326bc7..f1322aa 100644
--- a/lib/rein/constraint/foreign_key.rb
+++ b/lib/rein/constraint/foreign_key.rb
@@ -23,7 +23,6 @@ def add_foreign_key_constraint(referencing_table, referenced_table, options = {}
 
     def remove_foreign_key_constraint(referencing_table, referenced_table, options = {})
       referencing_attribute = options[:referencing] || "#{referenced_table.to_s.singularize}_id".to_sym
-      referenced_attribute  = "id".to_sym
 
       name = options[:name] || "#{referencing_attribute}_fk".to_sym