diff --git a/.appveyor.yml b/.appveyor.yml
new file mode 100644
index 000000000..0b15d875f
--- /dev/null
+++ b/.appveyor.yml
@@ -0,0 +1,23 @@
+build: off
+
+init:
+  - git config --global core.autocrlf input
+
+install:
+  - cinst jdk8 -params 'installdir=C:\\jdk8'
+  - SET JAVA_HOME=C:\jdk8
+  - SET PATH=C:\jdk8\bin;%PATH%
+
+  - ps: |
+      Add-Type -AssemblyName System.IO.Compression.FileSystem
+      if (!(Test-Path -Path "C:\sbt" )) {
+        (new-object System.Net.WebClient).DownloadFile(
+          'https://github.com/sbt/sbt/releases/download/v1.0.4/sbt-1.0.4.zip',
+          'C:\sbt-bin.zip'
+        )
+        [System.IO.Compression.ZipFile]::ExtractToDirectory("C:\sbt-bin.zip", "C:\sbt")
+      }
+  - SET PATH=C:\sbt\sbt\bin;%PATH%
+  - SET SBT_OPTS=-XX:MaxPermSize=2g -Xmx4g -Dfile.encoding=UTF8
+test_script:
+  - sbt "-Djna.nosys=true" "scripted actions/*"
diff --git a/build.sbt b/build.sbt
index ec5065942..8000bd603 100644
--- a/build.sbt
+++ b/build.sbt
@@ -34,6 +34,7 @@ def buildLevelSettings: Seq[Setting[_]] =
       scmInfo := Some(ScmInfo(url("https://github.com/sbt/sbt"), "git@github.com:sbt/sbt.git")),
       resolvers += Resolver.mavenLocal,
       scalafmtOnCompile := true,
+      scalafmtOnCompile in Sbt := false,
       scalafmtVersion := "1.3.0",
     ))
 
@@ -310,8 +311,7 @@ lazy val commandProj = (project in file("main-command"))
   .settings(
     testedBaseSettings,
     name := "Command",
-    libraryDependencies ++= Seq(launcherInterface, sjsonNewScalaJson.value, templateResolverApi,
-      jna, jnaPlatform),
+    libraryDependencies ++= Seq(launcherInterface, sjsonNewScalaJson.value, templateResolverApi),
     managedSourceDirectories in Compile +=
       baseDirectory.value / "src" / "main" / "contraband-scala",
     sourceManaged in (Compile, generateContrabands) := baseDirectory.value / "src" / "main" / "contraband-scala",
@@ -463,10 +463,9 @@ lazy val sbtIgnoredProblems = {
 }
 
 def runNpm(command: String, base: File, log: sbt.internal.util.ManagedLogger) = {
-  val npm = if (sbt.internal.util.Util.isWindows) "npm.cmd" else "npm"
   import scala.sys.process._
   try {
-    val exitCode = Process(s"$npm $command", Option(base)) ! log
+    val exitCode = Process(s"npm $command", Option(base)) ! log
     if (exitCode != 0) throw new Exception("Process returned exit code: " + exitCode)
   } catch {
     case e: java.io.IOException => log.warn("failed to run npm " + e.getMessage)
@@ -573,7 +572,7 @@ def otherRootSettings =
     scriptedUnpublished := scriptedUnpublishedTask.evaluated,
     scriptedSource := (sourceDirectory in sbtProj).value / "sbt-test",
     // scriptedPrescripted := { addSbtAlternateResolver _ },
-    scriptedLaunchOpts := List("-Xmx1500M", "-Xms512M", "-server"),
+    scriptedLaunchOpts := List("-Xmx1500M", "-Xms512M", "-server", "-Djna.nosys=true"),
     publishAll := { val _ = (publishLocal).all(ScopeFilter(inAnyProject)).value },
     publishLocalBinAll := { val _ = (publishLocalBin).all(ScopeFilter(inAnyProject)).value },
     aggregate in bintrayRelease := false
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index f8e14429f..73405aea8 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -106,8 +106,6 @@ object Dependencies {
   val specs2 = "org.specs2" %% "specs2-junit" % "4.0.1"
   val junit = "junit" % "junit" % "4.11"
   val templateResolverApi = "org.scala-sbt" % "template-resolver" % "0.1"
-  val jna = "net.java.dev.jna" % "jna" % "4.1.0"
-  val jnaPlatform = "net.java.dev.jna" % "jna-platform" % "4.1.0"
 
   private def scala211Module(name: String, moduleVersion: String) = Def setting (
     scalaBinaryVersion.value match {