diff --git a/core/shared/src/main/scala/cats/effect/IO.scala b/core/shared/src/main/scala/cats/effect/IO.scala
index b1b4066c28..907e23eb0b 100644
--- a/core/shared/src/main/scala/cats/effect/IO.scala
+++ b/core/shared/src/main/scala/cats/effect/IO.scala
@@ -45,11 +45,11 @@ import cats.effect.kernel.GenTemporal.handleDuration
 import cats.effect.std.{Backpressure, Console, Env, Supervisor, UUIDGen}
 import cats.effect.tracing.{Tracing, TracingEvent}
 import cats.effect.unsafe.IORuntime
-import cats.syntax.all.*
+import cats.syntax.all._
 
 import scala.annotation.unchecked.uncheckedVariance
-import scala.concurrent.*
-import scala.concurrent.duration.*
+import scala.concurrent._
+import scala.concurrent.duration._
 import scala.util.{Failure, Success, Try}
 import scala.util.control.NonFatal