diff --git a/build.sbt b/build.sbt
index 357f4f7a..ec1611ed 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1251,7 +1251,7 @@ lazy val interpreter = crossProject(JSPlatform, JVMPlatform, NativePlatform)
         "-target",
         "17"
       )
-    },
+    }
   )
 
 lazy val root = crossProject(JSPlatform, JVMPlatform, NativePlatform)
diff --git a/compiler213/shared/src/main/scala/chester/scala/Test.scala b/compiler213/shared/src/main/scala/chester/scala/Test.scala
index 45f3ef8e..2b8336eb 100644
--- a/compiler213/shared/src/main/scala/chester/scala/Test.scala
+++ b/compiler213/shared/src/main/scala/chester/scala/Test.scala
@@ -5,8 +5,6 @@ import chester.backend.scala.Scala
 import scala.meta
 import chester.syntax.core
 
-import scala.meta._
-import chester.syntax.core._
 
 import scala.meta._
 
diff --git a/syntax/src/main/scala/chester/syntax/core/Term.scala b/syntax/src/main/scala/chester/syntax/core/Term.scala
index dd67f14b..4e441409 100644
--- a/syntax/src/main/scala/chester/syntax/core/Term.scala
+++ b/syntax/src/main/scala/chester/syntax/core/Term.scala
@@ -1237,7 +1237,7 @@ object UnitTerm {
     case TupleTerm(Vector(), meta) => Some(meta)
     case _                         => None
   }
-  def apply(meta: OptionTermMeta) =
+  def apply(meta: OptionTermMeta): TupleTerm =
     TupleTerm(Vector.empty, meta = meta)
 
 }
diff --git a/tyck/src/main/scala/chester/cps/CPSTrans.scala b/tyck/src/main/scala/chester/cps/CPSTrans.scala
index eefdd7b5..0e8177ee 100644
--- a/tyck/src/main/scala/chester/cps/CPSTrans.scala
+++ b/tyck/src/main/scala/chester/cps/CPSTrans.scala
@@ -1,6 +1,4 @@
 package chester.cps
 
 // placeholder for CPS Transformations
-object CPSTrans {
-
-}
+object CPSTrans {}