diff --git a/lib/arel/algebra.rb b/lib/arel/algebra.rb
index c206fea0b0..319f8fc242 100644
--- a/lib/arel/algebra.rb
+++ b/lib/arel/algebra.rb
@@ -1,4 +1,4 @@
-require 'arel/algebra/extensions'
+require 'arel/algebra/core_extensions'
 require 'arel/algebra/predicates'
 require 'arel/algebra/relations'
 require 'arel/algebra/primitives'
diff --git a/lib/arel/algebra/core_extensions.rb b/lib/arel/algebra/core_extensions.rb
new file mode 100644
index 0000000000..bce86d04ba
--- /dev/null
+++ b/lib/arel/algebra/core_extensions.rb
@@ -0,0 +1,4 @@
+require 'arel/algebra/core_extensions/object'
+require 'arel/algebra/core_extensions/class'
+require 'arel/algebra/core_extensions/symbol'
+require 'arel/algebra/core_extensions/hash'
diff --git a/lib/arel/algebra/extensions/class.rb b/lib/arel/algebra/core_extensions/class.rb
similarity index 100%
rename from lib/arel/algebra/extensions/class.rb
rename to lib/arel/algebra/core_extensions/class.rb
diff --git a/lib/arel/algebra/extensions/hash.rb b/lib/arel/algebra/core_extensions/hash.rb
similarity index 100%
rename from lib/arel/algebra/extensions/hash.rb
rename to lib/arel/algebra/core_extensions/hash.rb
diff --git a/lib/arel/algebra/extensions/object.rb b/lib/arel/algebra/core_extensions/object.rb
similarity index 100%
rename from lib/arel/algebra/extensions/object.rb
rename to lib/arel/algebra/core_extensions/object.rb
diff --git a/lib/arel/algebra/extensions/symbol.rb b/lib/arel/algebra/core_extensions/symbol.rb
similarity index 100%
rename from lib/arel/algebra/extensions/symbol.rb
rename to lib/arel/algebra/core_extensions/symbol.rb
diff --git a/lib/arel/algebra/extensions.rb b/lib/arel/algebra/extensions.rb
deleted file mode 100644
index bc8edd3274..0000000000
--- a/lib/arel/algebra/extensions.rb
+++ /dev/null
@@ -1,4 +0,0 @@
-require 'arel/algebra/extensions/object'
-require 'arel/algebra/extensions/class'
-require 'arel/algebra/extensions/symbol'
-require 'arel/algebra/extensions/hash'
diff --git a/lib/arel/engines/sql.rb b/lib/arel/engines/sql.rb
index f31cfc7dac..dc40428b77 100644
--- a/lib/arel/engines/sql.rb
+++ b/lib/arel/engines/sql.rb
@@ -3,5 +3,5 @@ require 'arel/engines/sql/relations'
 require 'arel/engines/sql/primitives'
 require 'arel/engines/sql/predicates'
 require 'arel/engines/sql/formatters'
-require 'arel/engines/sql/extensions'
+require 'arel/engines/sql/core_extensions'
 require 'arel/engines/sql/christener'
diff --git a/lib/arel/engines/sql/core_extensions.rb b/lib/arel/engines/sql/core_extensions.rb
new file mode 100644
index 0000000000..c8d9ec239e
--- /dev/null
+++ b/lib/arel/engines/sql/core_extensions.rb
@@ -0,0 +1,4 @@
+require 'arel/engines/sql/core_extensions/object'
+require 'arel/engines/sql/core_extensions/array'
+require 'arel/engines/sql/core_extensions/range'
+require 'arel/engines/sql/core_extensions/nil_class'
diff --git a/lib/arel/engines/sql/extensions/array.rb b/lib/arel/engines/sql/core_extensions/array.rb
similarity index 100%
rename from lib/arel/engines/sql/extensions/array.rb
rename to lib/arel/engines/sql/core_extensions/array.rb
diff --git a/lib/arel/engines/sql/extensions/nil_class.rb b/lib/arel/engines/sql/core_extensions/nil_class.rb
similarity index 100%
rename from lib/arel/engines/sql/extensions/nil_class.rb
rename to lib/arel/engines/sql/core_extensions/nil_class.rb
diff --git a/lib/arel/engines/sql/extensions/object.rb b/lib/arel/engines/sql/core_extensions/object.rb
similarity index 100%
rename from lib/arel/engines/sql/extensions/object.rb
rename to lib/arel/engines/sql/core_extensions/object.rb
diff --git a/lib/arel/engines/sql/extensions/range.rb b/lib/arel/engines/sql/core_extensions/range.rb
similarity index 100%
rename from lib/arel/engines/sql/extensions/range.rb
rename to lib/arel/engines/sql/core_extensions/range.rb
diff --git a/lib/arel/engines/sql/extensions.rb b/lib/arel/engines/sql/extensions.rb
deleted file mode 100644
index 1ea31bc140..0000000000
--- a/lib/arel/engines/sql/extensions.rb
+++ /dev/null
@@ -1,4 +0,0 @@
-require 'arel/engines/sql/extensions/object'
-require 'arel/engines/sql/extensions/array'
-require 'arel/engines/sql/extensions/range'
-require 'arel/engines/sql/extensions/nil_class'