diff --git a/build.sbt b/build.sbt
index fe70063a..b63857e1 100644
--- a/build.sbt
+++ b/build.sbt
@@ -22,14 +22,15 @@ val commonSettings = Seq(
   version            := "0.6",
   crossScalaVersions := Seq("2.12.13", "2.13.4", "3.0.1", "3.2.0"),
   organization       := "ch.epfl.lara",
-  scalacOptions     ++= Seq("-Ximport-suggestion-timeout", "0")
+  scalacOptions     ++= Seq("-Ximport-suggestion-timeout", "0"),
+  run / fork := true
 )
 
 
 val scala2 = "2.13.8"
 val scala3 = "3.2.2"
 
-fork := true
+
 
 val commonSettings2 = Seq(
   scalaVersion := scala2,
@@ -56,9 +57,10 @@ def withTests(project: Project): ClasspathDependency =
 def githubProject(repo: String, commitHash: String) = RootProject(uri(s"$repo#$commitHash"))
 
 lazy val scallion = githubProject("https://github.com/sankalpgambhir/scallion.git", "6434e21bd08872cf547c8f0efb67c963bfdf4190")
+
 lazy val silex = githubProject("https://github.com/epfl-lara/silex.git", "fc07a8670a5fa8ea2dd5649a00424710274a5d18")
-// lazy val princess = RootProject(file("../princess")) // If you have a local copy of Princess and would like to do some changes
-//lazy val princess = githubProject("https://github.com/uuverifiers/princess.git", "93cbff11d7b02903e532c7b64207bc12f19b79c7")
+scallion/scalacOptions ~= (_.filterNot(Set("-Wvalue-discard")))
+silex/scalacOptions ~= (_.filterNot(Set("-Wvalue-discard")))
 
 lazy val root = Project(
     id = "lisa",
@@ -100,4 +102,4 @@ lazy val examples = Project(
 )
   .settings(commonSettings)
   .settings(commonSettings3)
-  .dependsOn(root)
\ No newline at end of file
+  .dependsOn(root)
diff --git a/lisa-examples/src/main/scala/Example.scala b/lisa-examples/src/main/scala/Example.scala
index 3e504167..9010e489 100644
--- a/lisa-examples/src/main/scala/Example.scala
+++ b/lisa-examples/src/main/scala/Example.scala
@@ -71,10 +71,6 @@ object Example extends lisa.Main {
   val inductiveSet = DEF(x) --> in(∅, x) /\ forall(y, in(y, x) ==> in(succ(y), x))
   show
 
-
-
-
-
    */
 
   /*