diff --git a/sbt-dotty/sbt-test/source-dependencies/synthetic-companion/B.scala b/sbt-dotty/sbt-test/source-dependencies/synthetic-companion/B.scala
index be302fe40883..10dc652bfc3d 100644
--- a/sbt-dotty/sbt-test/source-dependencies/synthetic-companion/B.scala
+++ b/sbt-dotty/sbt-test/source-dependencies/synthetic-companion/B.scala
@@ -1,3 +1,4 @@
 object B {
-  A(0)
+  val f: Int => A = A
+  f(0)
 }
diff --git a/sbt-dotty/sbt-test/source-dependencies/synthetic-companion/dbg.sbt b/sbt-dotty/sbt-test/source-dependencies/synthetic-companion/dbg.sbt
deleted file mode 100644
index 1ac0e14e948c..000000000000
--- a/sbt-dotty/sbt-test/source-dependencies/synthetic-companion/dbg.sbt
+++ /dev/null
@@ -1,2 +0,0 @@
-logLevel := Level.Debug
-incOptions ~= { _.copy(apiDebug = true, relationsDebug = true) }