diff --git a/compiler/src/dotty/tools/dotc/transform/localopt/Simplify.scala b/compiler/src/dotty/tools/dotc/transform/localopt/Simplify.scala
index c8fc99ff6322..b1ce5ef36c6f 100644
--- a/compiler/src/dotty/tools/dotc/transform/localopt/Simplify.scala
+++ b/compiler/src/dotty/tools/dotc/transform/localopt/Simplify.scala
@@ -62,6 +62,7 @@ class Simplify extends MiniPhaseTransform with IdentityDenotTransformer {
     new Devalify                    ::
     new Jumpjump                    ::
     new DropGoodCasts               ::
+    new DropNoEffects(this)         ::
     new ConstantFold(this)          ::
     Nil