diff --git a/core/src/main/scala/cats/syntax/semigroupal.scala b/core/src/main/scala/cats/syntax/semigroupal.scala
index dac0b4e440..13786bb911 100644
--- a/core/src/main/scala/cats/syntax/semigroupal.scala
+++ b/core/src/main/scala/cats/syntax/semigroupal.scala
@@ -11,7 +11,7 @@ trait SemigroupalSyntax {
     }
 }
 
-abstract class SemigroupalOps[F[_], A] extends Semigroupal.Ops[F, A] with Serializable {
+abstract class SemigroupalOps[F[_], A] extends Semigroupal.Ops[F, A] {
 
   @deprecated("Replaced by an apply syntax, e.g. instead of (a |@| b).map(...) use (a, b).mapN(...)", "1.0.0-MF")
   final private[syntax] def |@|[B](fb: F[B]): SemigroupalBuilder[F]#SemigroupalBuilder2[A, B] =