diff --git a/main-actions/src/main/scala/sbt/Tests.scala b/main-actions/src/main/scala/sbt/Tests.scala
index d7b8dcac5..97a3b2452 100644
--- a/main-actions/src/main/scala/sbt/Tests.scala
+++ b/main-actions/src/main/scala/sbt/Tests.scala
@@ -9,6 +9,7 @@ import sbt.internal.inc.Analysis
 import TaskExtra._
 import sbt.internal.util.FeedbackProvidedException
 import xsbti.api.Definition
+import xsbti.api.ClassLike
 import xsbti.compile.CompileAnalysis
 import ConcurrentRestrictions.Tag