diff --git a/internal/util-complete/src/main/scala/sbt/internal/util/LineReader.scala b/internal/util-complete/src/main/scala/sbt/internal/util/LineReader.scala
index 0e9c0ed41..ddf48ad34 100644
--- a/internal/util-complete/src/main/scala/sbt/internal/util/LineReader.scala
+++ b/internal/util-complete/src/main/scala/sbt/internal/util/LineReader.scala
@@ -9,9 +9,11 @@ package sbt.internal.util
 
 import jline.console.ConsoleReader
 import jline.console.history.{ FileHistory, MemoryHistory }
-import java.io.{ File, InputStream, FileInputStream, FileDescriptor, FilterInputStream }
+import java.io.{ File, FileDescriptor, FileInputStream, FilterInputStream, InputStream }
+
 import complete.Parser
-import scala.concurrent.duration.Duration
+
+import scala.concurrent.duration._
 import scala.annotation.tailrec
 
 abstract class JLine extends LineReader {
@@ -120,12 +122,12 @@ private[sbt] object JLine {
   protected[this] val originalIn = new FileInputStream(FileDescriptor.in)
 
   private[sbt] def makeInputStream(injectThreadSleep: Boolean): InputStream =
-    if (injectThreadSleep) new InputStreamWrapper(originalIn, Duration("50 ms"))
+    if (injectThreadSleep) new InputStreamWrapper(originalIn, 2.milliseconds)
     else originalIn
 
   // When calling this, ensure that enableEcho has been or will be called.
   // TerminalFactory.get will initialize the terminal to disable echo.
-  private def terminal = jline.TerminalFactory.get
+  private[sbt] def terminal = jline.TerminalFactory.get
 
   private def withTerminal[T](f: jline.Terminal => T): T =
     synchronized {
diff --git a/main/src/main/scala/sbt/CommandLineUIService.scala b/main/src/main/scala/sbt/CommandLineUIService.scala
index bf4da75da..e88521268 100644
--- a/main/src/main/scala/sbt/CommandLineUIService.scala
+++ b/main/src/main/scala/sbt/CommandLineUIService.scala
@@ -27,9 +27,9 @@ trait CommandLineUIService extends InteractionService {
     }
   }
 
-  override def terminalWidth: Int = JLine.usingTerminal(_.getWidth)
+  override def terminalWidth: Int = JLine.terminal.getWidth
 
-  override def terminalHeight: Int = JLine.usingTerminal(_.getHeight)
+  override def terminalHeight: Int = JLine.terminal.getHeight
 }
 
 object CommandLineUIService extends CommandLineUIService
diff --git a/main/src/main/scala/sbt/internal/SettingGraph.scala b/main/src/main/scala/sbt/internal/SettingGraph.scala
index 118c568cc..77e33c097 100644
--- a/main/src/main/scala/sbt/internal/SettingGraph.scala
+++ b/main/src/main/scala/sbt/internal/SettingGraph.scala
@@ -82,7 +82,7 @@ object Graph {
   // [info]   |
   // [info]   +-quux
   def toAscii[A](top: A, children: A => Seq[A], display: A => String, defaultWidth: Int): String = {
-    val maxColumn = math.max(JLine.usingTerminal(_.getWidth), defaultWidth) - 8
+    val maxColumn = math.max(JLine.terminal.getWidth, defaultWidth) - 8
     val twoSpaces = " " + " " // prevent accidentally being converted into a tab
     def limitLine(s: String): String =
       if (s.length > maxColumn) s.slice(0, maxColumn - 2) + ".."
diff --git a/main/src/main/scala/sbt/internal/TaskProgress.scala b/main/src/main/scala/sbt/internal/TaskProgress.scala
index d73452355..d3120e2dd 100644
--- a/main/src/main/scala/sbt/internal/TaskProgress.scala
+++ b/main/src/main/scala/sbt/internal/TaskProgress.scala
@@ -25,7 +25,7 @@ private[sbt] final class TaskProgress
   private[this] val isStopped = new AtomicBoolean(false)
 
   override def initial(): Unit = {
-    ConsoleAppender.setTerminalWidth(JLine.usingTerminal(_.getWidth))
+    ConsoleAppender.setTerminalWidth(JLine.terminal.getWidth)
   }
 
   override def afterReady(task: Task[_]): Unit = {