Remove Unused `require`

It looks like they are left from old design

11 files changed, 1 insertions, 17 deletions

diff --git a/lib/arel/nodes/node.rb b/lib/arel/nodes/node.rb
index 34e71063af..d2e6313dda 100644
--- a/lib/arel/nodes/node.rb
+++ b/lib/arel/nodes/node.rb
@@ -1,6 +1,4 @@
 # frozen_string_literal: true
-require 'arel/collectors/sql_string'
-
 module Arel
   module Nodes
     ###
diff --git a/lib/arel/select_manager.rb b/lib/arel/select_manager.rb
index 0b35176842..a88dcd320c 100644
--- a/lib/arel/select_manager.rb
+++ b/lib/arel/select_manager.rb
@@ -1,6 +1,4 @@
 # frozen_string_literal: true
-require 'arel/collectors/sql_string'
-
 module Arel
   class SelectManager < Arel::TreeManager
     include Arel::Crud
diff --git a/lib/arel/tree_manager.rb b/lib/arel/tree_manager.rb
index 0542442404..b237bf368d 100644
--- a/lib/arel/tree_manager.rb
+++ b/lib/arel/tree_manager.rb
@@ -1,6 +1,4 @@
 # frozen_string_literal: true
-require 'arel/collectors/sql_string'
-
 module Arel
   class TreeManager
     include Arel::FactoryMethods
diff --git a/lib/arel/visitors/to_sql.rb b/lib/arel/visitors/to_sql.rb
index f8c239e8ef..2b5c43b173 100644
--- a/lib/arel/visitors/to_sql.rb
+++ b/lib/arel/visitors/to_sql.rb
@@ -1,7 +1,4 @@
 # frozen_string_literal: true
-require 'bigdecimal'
-require 'date'
-
 module Arel
   module Visitors
     class UnsupportedVisitError < StandardError
diff --git a/test/collectors/test_bind.rb b/test/collectors/test_bind.rb
index 6b4b651cf7..62fd911a0f 100644
--- a/test/collectors/test_bind.rb
+++ b/test/collectors/test_bind.rb
@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 require 'helper'
 
-require 'arel/collectors/bind'
-
 module Arel
   module Collectors
     class TestBind < Arel::Test
diff --git a/test/collectors/test_composite.rb b/test/collectors/test_composite.rb
index b47c37db73..3d49b390e8 100644
--- a/test/collectors/test_composite.rb
+++ b/test/collectors/test_composite.rb
@@ -3,7 +3,6 @@ require 'helper'
 
 require 'arel/collectors/bind'
 require 'arel/collectors/composite'
-require 'arel/collectors/sql_string'
 
 module Arel
   module Collectors
diff --git a/test/helper.rb b/test/helper.rb
index 022ba1dae6..3eecfb79b6 100644
--- a/test/helper.rb
+++ b/test/helper.rb
@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 require 'rubygems'
 require 'minitest/autorun'
-require 'fileutils'
 require 'arel'
 
 require 'support/fake_record'
diff --git a/test/nodes/test_binary.rb b/test/nodes/test_binary.rb
index 8e3025a440..ef23a3930b 100644
--- a/test/nodes/test_binary.rb
+++ b/test/nodes/test_binary.rb
@@ -1,6 +1,5 @@
 # frozen_string_literal: true
 require 'helper'
-require 'set'
 
 module Arel
   module Nodes
diff --git a/test/nodes/test_table_alias.rb b/test/nodes/test_table_alias.rb
index 39040e6352..911114d938 100644
--- a/test/nodes/test_table_alias.rb
+++ b/test/nodes/test_table_alias.rb
@@ -1,6 +1,5 @@
 # frozen_string_literal: true
 require 'helper'
-require 'ostruct'
 
 module Arel
   module Nodes
diff --git a/test/visitors/test_depth_first.rb b/test/visitors/test_depth_first.rb
index 0c7f7ccd34..832843265c 100644
--- a/test/visitors/test_depth_first.rb
+++ b/test/visitors/test_depth_first.rb
@@ -1,6 +1,5 @@
 # frozen_string_literal: true
 require 'helper'
-require 'set'
 
 module Arel
   module Visitors
diff --git a/test/visitors/test_to_sql.rb b/test/visitors/test_to_sql.rb
index eb6eedc55d..77756b9e99 100644
--- a/test/visitors/test_to_sql.rb
+++ b/test/visitors/test_to_sql.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 require 'helper'
-require 'set'
+require 'bigdecimal'
 
 module Arel
   module Visitors