diff --git a/.formatter.exs b/.formatter.exs
index 2c92b21b..9da5523f 100644
--- a/.formatter.exs
+++ b/.formatter.exs
@@ -31,7 +31,6 @@ locals_without_parens = [
   read: 2,
   resource: 1,
   resource: 2,
-  reverse_relationship: 1,
   source_field: 1,
   source_field_on_join_table: 1,
   through: 1,
diff --git a/lib/ash/resource/relationships/belongs_to.ex b/lib/ash/resource/relationships/belongs_to.ex
index 38450894..8dbb1b61 100644
--- a/lib/ash/resource/relationships/belongs_to.ex
+++ b/lib/ash/resource/relationships/belongs_to.ex
@@ -9,7 +9,6 @@ defmodule Ash.Resource.Relationships.BelongsTo do
     :destination_field,
     :source_field,
     :source,
-    :reverse_relationship,
     cardinality: :one,
     type: :belongs_to
   ]
diff --git a/lib/ash/resource/relationships/has_many.ex b/lib/ash/resource/relationships/has_many.ex
index e4c06254..861a0375 100644
--- a/lib/ash/resource/relationships/has_many.ex
+++ b/lib/ash/resource/relationships/has_many.ex
@@ -6,7 +6,6 @@ defmodule Ash.Resource.Relationships.HasMany do
     :destination_field,
     :source_field,
     :source,
-    :reverse_relationship,
     cardinality: :many,
     type: :has_many
   ]
@@ -19,8 +18,7 @@ defmodule Ash.Resource.Relationships.HasMany do
           type: Ash.Type.t(),
           destination: Ash.resource(),
           destination_field: atom,
-          source_field: atom,
-          reverse_relationship: atom() | nil
+          source_field: atom
         }
 
   import Ash.Resource.Relationships.SharedOptions
diff --git a/lib/ash/resource/relationships/has_one.ex b/lib/ash/resource/relationships/has_one.ex
index c59530c4..ad841369 100644
--- a/lib/ash/resource/relationships/has_one.ex
+++ b/lib/ash/resource/relationships/has_one.ex
@@ -6,7 +6,6 @@ defmodule Ash.Resource.Relationships.HasOne do
     :destination,
     :destination_field,
     :source_field,
-    :reverse_relationship,
     :allow_orphans?,
     cardinality: :one,
     type: :has_one
@@ -21,8 +20,7 @@ defmodule Ash.Resource.Relationships.HasOne do
           destination: Ash.resource(),
           destination_field: atom,
           source_field: atom,
-          allow_orphans?: boolean,
-          reverse_relationship: atom | nil
+          allow_orphans?: boolean
         }
 
   import Ash.Resource.Relationships.SharedOptions
diff --git a/lib/ash/resource/relationships/many_to_many.ex b/lib/ash/resource/relationships/many_to_many.ex
index 81709dfb..a140f9ee 100644
--- a/lib/ash/resource/relationships/many_to_many.ex
+++ b/lib/ash/resource/relationships/many_to_many.ex
@@ -9,7 +9,6 @@ defmodule Ash.Resource.Relationships.ManyToMany do
     :destination_field,
     :source_field_on_join_table,
     :destination_field_on_join_table,
-    :reverse_relationship,
     cardinality: :many,
     type: :many_to_many
   ]
@@ -24,8 +23,7 @@ defmodule Ash.Resource.Relationships.ManyToMany do
           source_field: atom,
           destination_field: atom,
           source_field_on_join_table: atom,
-          destination_field_on_join_table: atom,
-          reverse_relationship: atom
+          destination_field_on_join_table: atom
         }
 
   import Ash.Resource.Relationships.SharedOptions
diff --git a/lib/ash/resource/relationships/shared_options.ex b/lib/ash/resource/relationships/shared_options.ex
index e97fef05..a108c94b 100644
--- a/lib/ash/resource/relationships/shared_options.ex
+++ b/lib/ash/resource/relationships/shared_options.ex
@@ -19,11 +19,6 @@ defmodule Ash.Resource.Relationships.SharedOptions do
       type: :atom,
       doc:
         "The field on this resource that should match the `destination_field` on the related resource."
-    ],
-    reverse_relationship: [
-      type: :atom,
-      doc:
-        "A requirement for side loading data. Must be the name of an inverse relationship on the destination resource."
     ]
   ]
 
diff --git a/test/actions/create_test.exs b/test/actions/create_test.exs
index dbadf312..56392ac9 100644
--- a/test/actions/create_test.exs
+++ b/test/actions/create_test.exs
@@ -70,9 +70,7 @@ defmodule Ash.Test.Actions.CreateTest do
     relationships do
       has_one :profile, Profile, destination_field: :author_id
 
-      has_many :posts, Ash.Test.Actions.CreateTest.Post,
-        reverse_relationship: :author,
-        destination_field: :author
+      has_many :posts, Ash.Test.Actions.CreateTest.Post, destination_field: :author
     end
   end
 
@@ -133,8 +131,7 @@ defmodule Ash.Test.Actions.CreateTest do
       many_to_many :related_posts, __MODULE__,
         through: PostLink,
         source_field_on_join_table: :source_post_id,
-        destination_field_on_join_table: :destination_post_id,
-        reverse_relationship: :related_posts
+        destination_field_on_join_table: :destination_post_id
     end
   end
 
diff --git a/test/actions/side_load_test.exs b/test/actions/side_load_test.exs
index 4142d77e..a297fedc 100644
--- a/test/actions/side_load_test.exs
+++ b/test/actions/side_load_test.exs
@@ -25,9 +25,7 @@ defmodule Ash.Test.Actions.SideLoadTest do
     end
 
     relationships do
-      has_many :posts, Ash.Test.Actions.SideLoadTest.Post,
-        reverse_relationship: :author,
-        destination_field: :author_id
+      has_many :posts, Ash.Test.Actions.SideLoadTest.Post, destination_field: :author_id
     end
   end
 
@@ -53,7 +51,7 @@ defmodule Ash.Test.Actions.SideLoadTest do
     end
 
     relationships do
-      belongs_to :author, Author, reverse_relationship: :posts
+      belongs_to :author, Author
 
       many_to_many :categories, Module.concat(outer_mod, Category),
         through: Module.concat(outer_mod, PostCategory),
diff --git a/test/actions/update_test.exs b/test/actions/update_test.exs
index a7b71038..48f43b6b 100644
--- a/test/actions/update_test.exs
+++ b/test/actions/update_test.exs
@@ -69,9 +69,7 @@ defmodule Ash.Test.Actions.UpdateTest do
     relationships do
       has_one :profile, Profile, destination_field: :author_id
 
-      has_many :posts, Ash.Test.Actions.UpdateTest.Post,
-        reverse_relationship: :author,
-        destination_field: :author_id
+      has_many :posts, Ash.Test.Actions.UpdateTest.Post, destination_field: :author_id
     end
   end
 
@@ -122,8 +120,7 @@ defmodule Ash.Test.Actions.UpdateTest do
       many_to_many :related_posts, __MODULE__,
         through: PostLink,
         source_field_on_join_table: :source_post_id,
-        destination_field_on_join_table: :destination_post_id,
-        reverse_relationship: :related_posts
+        destination_field_on_join_table: :destination_post_id
     end
   end
 
diff --git a/test/filter/filter_test.exs b/test/filter/filter_test.exs
index 4bfc463a..851ed364 100644
--- a/test/filter/filter_test.exs
+++ b/test/filter/filter_test.exs
@@ -49,13 +49,9 @@ defmodule Ash.Test.Filter.FilterTest do
     end
 
     relationships do
-      has_many :posts, Ash.Test.Filter.FilterTest.Post,
-        reverse_relationship: :author1,
-        destination_field: :author1_id
+      has_many :posts, Ash.Test.Filter.FilterTest.Post, destination_field: :author1_id
 
-      has_many :second_posts, Ash.Test.Filter.FilterTest.Post,
-        reverse_relationship: :author2,
-        destination_field: :author1_id
+      has_many :second_posts, Ash.Test.Filter.FilterTest.Post, destination_field: :author1_id
 
       has_one :profile, Profile, destination_field: :user_id
     end
@@ -117,8 +113,7 @@ defmodule Ash.Test.Filter.FilterTest do
       many_to_many :related_posts, __MODULE__,
         through: PostLink,
         source_field_on_join_table: :source_post_id,
-        destination_field_on_join_table: :destination_post_id,
-        reverse_relationship: :related_posts
+        destination_field_on_join_table: :destination_post_id
     end
   end
 
diff --git a/test/resource/relationships/many_to_many_test.exs b/test/resource/relationships/many_to_many_test.exs
index 8ada9435..ff06b4eb 100644
--- a/test/resource/relationships/many_to_many_test.exs
+++ b/test/resource/relationships/many_to_many_test.exs
@@ -36,8 +36,7 @@ defmodule Ash.Test.Resource.Relationships.ManyToManyTest do
                  name: :related_posts_join_assoc,
                  source: Ash.Test.Resource.Relationships.ManyToManyTest.Post,
                  source_field: :id,
-                 type: :has_many,
-                 reverse_relationship: nil
+                 type: :has_many
                },
                %Ash.Resource.Relationships.ManyToMany{
                  cardinality: :many,
@@ -49,8 +48,7 @@ defmodule Ash.Test.Resource.Relationships.ManyToManyTest do
                  source_field: :id,
                  source_field_on_join_table: :post_id,
                  through: SomeResource,
-                 type: :many_to_many,
-                 reverse_relationship: nil
+                 type: :many_to_many
                }
              ] = Ash.relationships(Post)
     end