1 files changed, 0 insertions, 10 deletions
diff --git a/activerecord/test/cases/arel/visitors/mysql_test.rb b/activerecord/test/cases/arel/visitors/mysql_test.rb
index 9d3bad8516..dae98b0583 100644
--- a/activerecord/test/cases/arel/visitors/mysql_test.rb
+++ b/activerecord/test/cases/arel/visitors/mysql_test.rb
@@ -13,16 +13,6 @@ module Arel
         @visitor.accept(node, Collectors::SQLString.new).value
       end
 
-      it "squashes parenthesis on multiple unions" do
-        subnode = Nodes::Union.new Arel.sql("left"), Arel.sql("right")
-        node    = Nodes::Union.new subnode, Arel.sql("topright")
-        assert_equal 1, compile(node).scan("(").length
-
-        subnode = Nodes::Union.new Arel.sql("left"), Arel.sql("right")
-        node    = Nodes::Union.new Arel.sql("topleft"), subnode
-        assert_equal 1, compile(node).scan("(").length
-      end
-
       ###
       # :'(
       # http://dev.mysql.com/doc/refman/5.0/en/select.html#id3482214