diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb
index adad6cd542b879ae4c15c4a6fbae9365a19d700c..6bab260f5ab969a344f2c90b7705c7a36696299e 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb
@@ -1,3 +1,5 @@
+require 'active_support/core_ext/string/strip'
+
 module ActiveRecord
   module ConnectionAdapters
     class AbstractAdapter
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
index cf0e3a260d1c3f3bc8a0a65e46400c53b1b01de8..fb07e915a0253cec8c72cde24ec5e873f9257b94 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
@@ -2,7 +2,6 @@
 require 'set'
 require 'bigdecimal'
 require 'bigdecimal/util'
-require 'active_support/core_ext/string/strip'
 
 module ActiveRecord
   module ConnectionAdapters #:nodoc:
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
index d5be8034e7be5441abd16d7310843f32a7a668ac..1a76beb3f38284a7ae7f5242a157f9a5bc49179f 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -1,4 +1,5 @@
 require 'arel/visitors/bind_visitor'
+require 'active_support/core_ext/string/strip'
 
 module ActiveRecord
   module ConnectionAdapters