diff --git a/librarymanagement/src/main/scala/sbt/librarymanagement/Artifact.scala b/librarymanagement/src/main/scala/sbt/librarymanagement/ArtifactExtra.scala
similarity index 100%
rename from librarymanagement/src/main/scala/sbt/librarymanagement/Artifact.scala
rename to librarymanagement/src/main/scala/sbt/librarymanagement/ArtifactExtra.scala
diff --git a/librarymanagement/src/main/scala/sbt/librarymanagement/Configuration.scala b/librarymanagement/src/main/scala/sbt/librarymanagement/ConfigurationExtra.scala
similarity index 100%
rename from librarymanagement/src/main/scala/sbt/librarymanagement/Configuration.scala
rename to librarymanagement/src/main/scala/sbt/librarymanagement/ConfigurationExtra.scala
diff --git a/librarymanagement/src/main/scala/sbt/librarymanagement/CrossVersion.scala b/librarymanagement/src/main/scala/sbt/librarymanagement/CrossVersionExtra.scala
similarity index 100%
rename from librarymanagement/src/main/scala/sbt/librarymanagement/CrossVersion.scala
rename to librarymanagement/src/main/scala/sbt/librarymanagement/CrossVersionExtra.scala
diff --git a/librarymanagement/src/main/scala/sbt/librarymanagement/IvyScala.scala b/librarymanagement/src/main/scala/sbt/librarymanagement/IvyScalaExtra.scala
similarity index 100%
rename from librarymanagement/src/main/scala/sbt/librarymanagement/IvyScala.scala
rename to librarymanagement/src/main/scala/sbt/librarymanagement/IvyScalaExtra.scala
diff --git a/librarymanagement/src/main/scala/sbt/librarymanagement/ModuleID.scala b/librarymanagement/src/main/scala/sbt/librarymanagement/ModuleIDExtra.scala
similarity index 100%
rename from librarymanagement/src/main/scala/sbt/librarymanagement/ModuleID.scala
rename to librarymanagement/src/main/scala/sbt/librarymanagement/ModuleIDExtra.scala
diff --git a/librarymanagement/src/main/scala/sbt/librarymanagement/Resolver.scala b/librarymanagement/src/main/scala/sbt/librarymanagement/ResolverExtra.scala
similarity index 100%
rename from librarymanagement/src/main/scala/sbt/librarymanagement/Resolver.scala
rename to librarymanagement/src/main/scala/sbt/librarymanagement/ResolverExtra.scala
diff --git a/librarymanagement/src/main/scala/sbt/librarymanagement/UpdateReport.scala b/librarymanagement/src/main/scala/sbt/librarymanagement/UpdateReportExtra.scala
similarity index 100%
rename from librarymanagement/src/main/scala/sbt/librarymanagement/UpdateReport.scala
rename to librarymanagement/src/main/scala/sbt/librarymanagement/UpdateReportExtra.scala