diff --git a/build.sbt b/build.sbt
index b54084b..2ff4dd0 100644
--- a/build.sbt
+++ b/build.sbt
@@ -81,8 +81,8 @@ libraryDependencies ++= {
 
 ThisBuild / scalacOptions ++= {
   CrossVersion.partialVersion(scalaVersion.value) match {
-    case Some((3, _)) => Seq("-Ykind-projector:underscores")
     case Some((2, 12 | 13)) => Seq("-Xsource:3", "-P:kind-projector:underscore-placeholders")
+    case _ => Nil
   }
 }