diff --git a/build.sbt b/build.sbt
index 50b14d70b..3fc75650a 100644
--- a/build.sbt
+++ b/build.sbt
@@ -188,6 +188,7 @@ lazy val sbtRoot: Project = (project in file("."))
     utilControl,
     completeProj,
     logicProj,
+    utilCache,
   )
   .settings(
     minimalSettings,
diff --git a/util-cache/src/main/scala/sbt/util/FileInfo.scala b/util-cache/src/main/scala/sbt/util/FileInfo.scala
index d99ed8ce9..1d844d8d4 100644
--- a/util-cache/src/main/scala/sbt/util/FileInfo.scala
+++ b/util-cache/src/main/scala/sbt/util/FileInfo.scala
@@ -41,11 +41,9 @@ object HashModifiedFileInfo {
 }
 
 private final case class PlainFile(file: File, exists: Boolean) extends PlainFileInfo
+
 private final case class FileModified(file: File, lastModified: Long) extends ModifiedFileInfo
-@deprecated("Kept for plugin compat, but will be removed in sbt 2.0", "1.3.0")
-private final case class FileHash(file: File, override val hash: List[Byte]) extends HashFileInfo {
-  override val hashArray: Array[Byte] = hash.toArray
-}
+
 private final case class FileHashArrayRepr(file: File, override val hashArray: Array[Byte])
     extends HashFileInfo {
   override def hashCode(): Int = (file, java.util.Arrays.hashCode(hashArray)).hashCode()
@@ -55,25 +53,18 @@ private final case class FileHashArrayRepr(file: File, override val hashArray: A
     case _ => false
   }
 }
-@deprecated("Kept for plugin compat, but will be removed in sbt 2.0", "1.3.0")
-private final case class FileHashModified(
-    file: File,
-    override val hash: List[Byte],
-    lastModified: Long
-) extends HashModifiedFileInfo {
-  override val hashArray: Array[Byte] = hash.toArray
-}
+
 private final case class FileHashModifiedArrayRepr(
     file: File,
     override val hashArray: Array[Byte],
     lastModified: Long
 ) extends HashModifiedFileInfo
 
-final case class FilesInfo[F <: FileInfo] private (files: Set[F])
+final case class FilesInfo[F <: FileInfo] private[util] (files: Set[F])
 object FilesInfo {
   def empty[F <: FileInfo]: FilesInfo[F] = FilesInfo(Set.empty[F])
 
-  implicit def format[F <: FileInfo: JsonFormat]: JsonFormat[FilesInfo[F]] =
+  given format[F <: FileInfo: JsonFormat]: JsonFormat[FilesInfo[F]] =
     projectFormat(_.files, (fs: Set[F]) => FilesInfo(fs))
 
   def full: FileInfo.Style = FileInfo.full
diff --git a/util-cache/src/main/scala/sbt/util/Input.scala b/util-cache/src/main/scala/sbt/util/Input.scala
index acaeeb708..1f447265f 100644
--- a/util-cache/src/main/scala/sbt/util/Input.scala
+++ b/util-cache/src/main/scala/sbt/util/Input.scala
@@ -30,11 +30,9 @@ class PlainInput[J: IsoString](input: InputStream, converter: SupportConverter[J
       val bufferSize = 1024
       val buffer = new Array[Char](bufferSize)
       var read = 0
-      while
-        ({ read = reader.read(buffer, 0, bufferSize); read != -1
-      }) {
+      while { read = reader.read(buffer, 0, bufferSize); read != -1 } do
         builder.appendAll(buffer, 0, read)
-      }
+
       builder.toString()
     }
   }