diff --git a/kernel/shared/src/main/scala/cats/effect/kernel/MonadCancel.scala b/kernel/shared/src/main/scala/cats/effect/kernel/MonadCancel.scala
index 177cd583c0..f05877f308 100644
--- a/kernel/shared/src/main/scala/cats/effect/kernel/MonadCancel.scala
+++ b/kernel/shared/src/main/scala/cats/effect/kernel/MonadCancel.scala
@@ -16,7 +16,7 @@
 
 package cats.effect.kernel
 
-import cats.{MonadError, Monoid, Semigroup}
+import cats.{Id, MonadError, Monoid, Semigroup}
 import cats.data.{
   EitherT,
   IndexedReaderWriterStateT,
@@ -602,11 +602,11 @@ object MonadCancel {
         }
     }
 
-  trait Uncancelable[F[_], E] { this: MonadCancel[F, E] =>
+  private val cachedIdPoll: Poll[Id] = new Poll[Id] {
+    def apply[A](fa: Id[A]): Id[A] = fa
+  }
 
-    private[this] val IdPoll = new Poll[F] {
-      def apply[A](fa: F[A]) = fa
-    }
+  trait Uncancelable[F[_], E] { this: MonadCancel[F, E] =>
 
     def rootCancelScope: CancelScope = CancelScope.Uncancelable
 
@@ -618,7 +618,7 @@ object MonadCancel {
     }
 
     def uncancelable[A](body: Poll[F] => F[A]): F[A] =
-      body(IdPoll)
+      body(MonadCancel.cachedIdPoll.asInstanceOf[Poll[F]])
   }
 
   private[kernel] trait OptionTMonadCancel[F[_], E] extends MonadCancel[OptionT[F, *], E] {