diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## [0.1.0.0] - 2024-07-29
+
+* Dropped support for orphan instances.
+
 ## [0.0.1.4] - 2024-07-29
 
 * Non-orphan version of the `ToSchema` deriving.
diff --git a/autodocodec-swagger2.cabal b/autodocodec-swagger2.cabal
--- a/autodocodec-swagger2.cabal
+++ b/autodocodec-swagger2.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           autodocodec-swagger2
-version:        0.0.1.4
+version:        0.1.0.0
 synopsis:       Autodocodec interpreters for swagger2
 homepage:       https://github.com/NorfairKing/autodocodec#readme
 bug-reports:    https://github.com/NorfairKing/autodocodec/issues
@@ -27,7 +27,6 @@
   exposed-modules:
       Autodocodec.Swagger
       Autodocodec.Swagger.DerivingVia
-      Autodocodec.Swagger.DerivingVia.NonOrphan
       Autodocodec.Swagger.Schema
   other-modules:
       Paths_autodocodec_swagger2
diff --git a/src/Autodocodec/Swagger/DerivingVia.hs b/src/Autodocodec/Swagger/DerivingVia.hs
--- a/src/Autodocodec/Swagger/DerivingVia.hs
+++ b/src/Autodocodec/Swagger/DerivingVia.hs
@@ -1,16 +1,17 @@
 {-# LANGUAGE ScopedTypeVariables #-}
-{-# OPTIONS_GHC -fno-warn-orphans #-}
 
-module Autodocodec.Swagger.DerivingVia where
+module Autodocodec.Swagger.DerivingVia (AutodocodecSwagger (..)) where
 
-import Autodocodec (Autodocodec, HasCodec)
+import Autodocodec (HasCodec)
 import Autodocodec.Swagger.Schema (declareNamedSchemaViaCodec)
 import Data.Proxy (Proxy (..))
 import qualified Data.Swagger as Swagger
 
--- | An instance for 'Autodocodec' that lets you use 'DerivingVia' to derive 'Swagger.ToSchema' if your type has a 'HasCodec' instance.
+newtype AutodocodecSwagger a = AutodocodecSwagger {unAutodocodecSwagger :: a}
+
+-- | An non-orphan instance for 'AutodocodecSwagger' that lets you use 'DerivingVia' to derive 'Swagger.ToSchema' if your type has a 'HasCodec' instance.
 --
--- > deriving (Swagger.ToSchema) via (Autodocodec FooBar)
-instance (HasCodec a) => Swagger.ToSchema (Autodocodec a) where
+-- > deriving (Swagger.ToSchema) via (AutodocodecSwagger FooBar)
+instance (HasCodec a) => Swagger.ToSchema (AutodocodecSwagger a) where
   -- See comments in 'Autodocodec.OpenAPI.DerivingVia' for the reason why this is defined like this.
   declareNamedSchema = let schema = declareNamedSchemaViaCodec (Proxy :: Proxy a) in const schema
diff --git a/src/Autodocodec/Swagger/DerivingVia/NonOrphan.hs b/src/Autodocodec/Swagger/DerivingVia/NonOrphan.hs
deleted file mode 100644
--- a/src/Autodocodec/Swagger/DerivingVia/NonOrphan.hs
+++ /dev/null
@@ -1,17 +0,0 @@
-{-# LANGUAGE ScopedTypeVariables #-}
-
-module Autodocodec.Swagger.DerivingVia.NonOrphan (AutodocodecSwagger (..)) where
-
-import Autodocodec (HasCodec)
-import Autodocodec.Swagger.Schema (declareNamedSchemaViaCodec)
-import Data.Proxy (Proxy (..))
-import qualified Data.Swagger as Swagger
-
-newtype AutodocodecSwagger a = AutodocodecSwagger {unAutodocodecSwagger :: a}
-
--- | An non-orphan instance for 'AutodocodecSwagger' that lets you use 'DerivingVia' to derive 'Swagger.ToSchema' if your type has a 'HasCodec' instance.
---
--- > deriving (Swagger.ToSchema) via (AutodocodecSwagger FooBar)
-instance (HasCodec a) => Swagger.ToSchema (AutodocodecSwagger a) where
-  -- See comments in 'Autodocodec.OpenAPI.DerivingVia' for the reason why this is defined like this.
-  declareNamedSchema = let schema = declareNamedSchemaViaCodec (Proxy :: Proxy a) in const schema