diff --git a/core/src/main/scala/cats/instances/parallel.scala b/core/src/main/scala/cats/instances/parallel.scala
index 1e8860fafa..9b27a747e3 100644
--- a/core/src/main/scala/cats/instances/parallel.scala
+++ b/core/src/main/scala/cats/instances/parallel.scala
@@ -3,32 +3,10 @@ package instances
 
 import cats.data._
 import cats.kernel.Semigroup
-import cats.syntax.either._
-import cats.{~>, Applicative, Monad, Parallel}
 
 private[instances] trait ParallelInstances1 {
   @deprecated("Use EitherT.catsDataParallelForEitherTWithSequentialEffect", "2.0.0")
   def catsParallelForEitherTNestedValidated[M[_]: Monad, E: Semigroup]
     : Parallel.Aux[EitherT[M, E, *], Nested[M, Validated[E, *], *]] =
-    new Parallel[EitherT[M, E, *]] {
-      type F[x] = Nested[M, Validated[E, *], x]
-
-      implicit val appValidated: Applicative[Validated[E, *]] = Validated.catsDataApplicativeErrorForValidated
-      implicit val monadEither: Monad[Either[E, *]] = cats.instances.either.catsStdInstancesForEither
-
-      def applicative: Applicative[Nested[M, Validated[E, *], *]] =
-        cats.data.Nested.catsDataApplicativeForNested[M, Validated[E, *]]
-
-      def monad: Monad[EitherT[M, E, *]] = cats.data.EitherT.catsDataMonadErrorForEitherT
-
-      def sequential: Nested[M, Validated[E, *], *] ~> EitherT[M, E, *] =
-        λ[Nested[M, Validated[E, *], *] ~> EitherT[M, E, *]] { nested =>
-          EitherT(Monad[M].map(nested.value)(_.toEither))
-        }
-
-      def parallel: EitherT[M, E, *] ~> Nested[M, Validated[E, *], *] =
-        λ[EitherT[M, E, *] ~> Nested[M, Validated[E, *], *]] { eitherT =>
-          Nested(Monad[M].map(eitherT.value)(_.toValidated))
-        }
-    }
+    EitherT.catsDataParallelForEitherTWithSequentialEffect
 }