diff --git a/lib/rebel/sql.rb b/lib/rebel/sql.rb
index 0aa81e2..b425f6b 100644
--- a/lib/rebel/sql.rb
+++ b/lib/rebel/sql.rb
@@ -156,9 +156,9 @@ module Rebel::SQL
       Raw.new("#{self} DESC")
     end
 
-    def by(*clause)
-      Raw.new(Rebel::SQL.list(self, Rebel::SQL.names(*clause)))
-    end
+    # def by(*clause)
+    #   Raw.new(Rebel::SQL.list(self, Rebel::SQL.names(*clause)))
+    # end
   end
 
   @identifier_quote = '"'
diff --git a/test/test_exec.rb b/test/test_exec.rb
index 1b95d06..bef1408 100644
--- a/test/test_exec.rb
+++ b/test/test_exec.rb
@@ -61,6 +61,6 @@ class TestExec < Minitest::Test
     insert_into :foo, id: 3, value: '1', col: 'else'
     assert_equal(select(:id, from: :foo, order: by(:id).desc), [[3], [2], [1]])
     assert_equal(select(:id, from: :foo, order: by(:value, :id).asc), [[3], [1], [2]])
-    assert_equal(select(:id, from: :foo, order: by(:value).asc.by(:id).desc), [[3], [2], [1]])
+    # assert_equal(select(:id, from: :foo, order: by(:value).asc.by(:id).desc), [[3], [2], [1]])
   end
 end
diff --git a/test/test_raw.rb b/test/test_raw.rb
index 6ad1a1d..575556f 100644
--- a/test/test_raw.rb
+++ b/test/test_raw.rb
@@ -108,6 +108,6 @@ class TestRaw < Minitest::Test
   def test_by
     assert_str_equal(Rebel::SQL.by(:foo), 'BY "foo"')
     assert_str_equal(Rebel::SQL.by(:foo).desc, 'BY "foo" DESC')
-    assert_str_equal(Rebel::SQL.by(:foo).desc.by(:bar).asc, 'BY "foo" DESC, "bar" ASC')
+    # assert_str_equal(Rebel::SQL.by(:foo).desc.by(:bar).asc, 'BY "foo" DESC, "bar" ASC')
   end
 end