diff --git a/ivy/Credentials.scala b/ivy/Credentials.scala
index dc09adbcc..882e1c22b 100644
--- a/ivy/Credentials.scala
+++ b/ivy/Credentials.scala
@@ -33,13 +33,14 @@ object Credentials
 			case Right(dc) => dc
 		}
 	}
+
 	def loadCredentials(path: File): Either[String, DirectCredentials] =
 		if(path.exists)
 		{
 			val properties = read(path)
 			def get(keys: List[String]) = keys.flatMap(properties.get).headOption.toRight(keys.head + " not specified in credentials file: " + path)
 
-			List.separate( List(RealmKeys, HostKeys, UserKeys, PasswordKeys).map(get) ) match
+			IvyUtil.separate( List(RealmKeys, HostKeys, UserKeys, PasswordKeys).map(get) ) match
 			{
 				case (Nil, List(realm, host, user, pass)) => Right( new DirectCredentials(realm, host, user, pass) )
 				case (errors, _) => Left(errors.mkString("\n"))
diff --git a/ivy/Ivy.scala b/ivy/Ivy.scala
index 937648cc0..030d0c192 100644
--- a/ivy/Ivy.scala
+++ b/ivy/Ivy.scala
@@ -382,7 +382,7 @@ private object IvySbt
 	private[sbt] def javaMap(m: Map[String,String], unqualify: Boolean = false) =
 	{
 		val map = if(unqualify) m map { case (k, v) => (k.stripPrefix("e:"), v) } else m
-		if(map.isEmpty) null else scala.collection.JavaConversions.asJavaMap(map)
+		if(map.isEmpty) null else scala.collection.JavaConversions.mapAsJavaMap(map)
 	}
 
 	private object javaMap
diff --git a/ivy/IvyUtil.scala b/ivy/IvyUtil.scala
new file mode 100644
index 000000000..1c99bb5d3
--- /dev/null
+++ b/ivy/IvyUtil.scala
@@ -0,0 +1,7 @@
+package sbt
+
+private[sbt] object IvyUtil
+{
+	def separate[A,B](l: Seq[Either[A,B]]): (Seq[A], Seq[B]) =
+		(l.flatMap(_.left.toOption), l.flatMap(_.right.toOption))
+}
\ No newline at end of file
diff --git a/ivy/MakePom.scala b/ivy/MakePom.scala
index 9d57bbace..c92de2aa0 100644
--- a/ivy/MakePom.scala
+++ b/ivy/MakePom.scala
@@ -237,7 +237,7 @@ class MakePom(val log: Logger)
 	def exclusions(dependency: DependencyDescriptor): NodeSeq =
 	{
 		val excl = dependency.getExcludeRules(dependency.getModuleConfigurations)
-		val (warns, excls) = List.separate(excl.map(makeExclusion))
+		val (warns, excls) = IvyUtil.separate(excl.map(makeExclusion))
 		if(!warns.isEmpty) log.warn(warns.mkString(IO.Newline))
 		if(!excls.isEmpty) <exclusions>{excls}</exclusions>
 		else NodeSeq.Empty
diff --git a/launch/ConfigurationParser.scala b/launch/ConfigurationParser.scala
index c399854fe..cdac66a9e 100644
--- a/launch/ConfigurationParser.scala
+++ b/launch/ConfigurationParser.scala
@@ -247,7 +247,7 @@ final class Section(val name: String) extends Line
 object Comment extends Line
 
 class ParseException(val content: String, val line: Int, val col: Int, val msg: String)
-	extends BootException( "[" + (line+1) + ", " + (col+1) + "]" + msg + "\n" + content + "\n" + List.make(col," ").mkString + "^" )
+	extends BootException( "[" + (line+1) + ", " + (col+1) + "]" + msg + "\n" + content + "\n" + List.fill(col)(" ").mkString + "^" )
 
 object ParseLine
 {
diff --git a/main/Main.scala b/main/Main.scala
index 3940789c9..cb80bcc29 100644
--- a/main/Main.scala
+++ b/main/Main.scala
@@ -364,7 +364,7 @@ object BuiltinCommands
 	{
 		val addBase = token(Space ~> "add") ~> token(Space ~> basicUri, "<build URI>").+
 		val removeBase = token(Space ~> "remove") ~> token(Space ~> Uri(Project.extraBuilds(s).toSet) ).+
-		addBase.map(toAdd => (xs: List[URI]) => (toAdd.toList ::: xs).removeDuplicates) |
+		addBase.map(toAdd => (xs: List[URI]) => (toAdd.toList ::: xs).distinct) |
 			removeBase.map(toRemove => (xs: List[URI]) => xs.filterNot(toRemove.toSet))
 	}
 
diff --git a/main/actions/Package.scala b/main/actions/Package.scala
index b44966fae..047c53c36 100644
--- a/main/actions/Package.scala
+++ b/main/actions/Package.scala
@@ -37,7 +37,7 @@ object Package
 	def mergeManifests(manifest: Manifest, mergeManifest: Manifest)
 	{
 		mergeAttributes(manifest.getMainAttributes, mergeManifest.getMainAttributes)
-		val entryMap = asScalaMap(manifest.getEntries)
+		val entryMap = mapAsScalaMap(manifest.getEntries)
 		for((key, value) <- mergeManifest.getEntries)
 		{
 			entryMap.get(key) match
diff --git a/tasks/Execute.scala b/tasks/Execute.scala
index e2fba3293..457b0221f 100644
--- a/tasks/Execute.scala
+++ b/tasks/Execute.scala
@@ -16,7 +16,7 @@ object Execute
 	trait Part1of2K[M[_[_], _], A[_]] { type Apply[T] = M[A, T] }
 	type NodeT[A[_]] = Part1of2K[Node, A]
 	
-	def idMap[A,B]: Map[A, B] = JavaConversions.asScalaMap(new java.util.IdentityHashMap[A,B])
+	def idMap[A,B]: Map[A, B] = JavaConversions.mapAsScalaMap(new java.util.IdentityHashMap[A,B])
 	def pMap[A[_], B[_]]: PMap[A,B] = new DelegatingPMap[A, B](idMap)
 	private[sbt] def completed(p: => Unit): Completed = new Completed {
 		def process() { p }
diff --git a/util/collection/IDSet.scala b/util/collection/IDSet.scala
index 683c7a76b..447082d8b 100644
--- a/util/collection/IDSet.scala
+++ b/util/collection/IDSet.scala
@@ -37,7 +37,7 @@ object IDSet
 		def += (t: T) = backing.put(t, Dummy)
 		def ++=(t: Iterable[T]) = t foreach +=
 		def -= (t:T) = if(backing.remove(t) eq null) false else true
-		def all = collection.JavaConversions.asScalaIterable(backing.keySet)
+		def all = collection.JavaConversions.collectionAsScalaIterable(backing.keySet)
 		def isEmpty = backing.isEmpty
 		def process[S](t: T)(ifSeen: S)(ifNew: => S) = if(contains(t)) ifSeen else { this += t ; ifNew }
 		override def toString = backing.toString
diff --git a/util/collection/Util.scala b/util/collection/Util.scala
index c36bb6443..5aede5f0d 100644
--- a/util/collection/Util.scala
+++ b/util/collection/Util.scala
@@ -5,6 +5,8 @@ package sbt
 
 object Util
 {
+	def makeList[T](size: Int, value: T): List[T] = List.fill(size)(value)
+
 	def separateE[A,B](ps: Seq[Either[A,B]]): (Seq[A], Seq[B]) =
 		separate(ps)(Types.idFun)
 
diff --git a/util/complete/JLineCompletion.scala b/util/complete/JLineCompletion.scala
index 8eabd0ea5..d41f47b85 100644
--- a/util/complete/JLineCompletion.scala
+++ b/util/complete/JLineCompletion.scala
@@ -131,7 +131,7 @@ object JLineCompletion
 			if(line.charAt(line.length - 1) != '\n')
 				reader.printNewline()
 		}
-		reader.printColumns(JavaConversions.asJavaList(columns.map(_.trim)))
+		reader.printColumns(JavaConversions.seqAsJavaList(columns.map(_.trim)))
 	}
 	def hasNewline(s: String): Boolean = s.indexOf('\n') >= 0
 	def shouldPrint(cs: Seq[String], reader: ConsoleReader): Boolean =
diff --git a/util/complete/Parser.scala b/util/complete/Parser.scala
index a10d1bdcb..a994e0658 100644
--- a/util/complete/Parser.scala
+++ b/util/complete/Parser.scala
@@ -5,7 +5,7 @@ package sbt.complete
 
 	import Parser._
 	import sbt.Types.{const, left, right, some}
-	import sbt.Util.separate
+	import sbt.Util.{makeList,separate}
 
 sealed trait Parser[+T]
 {
@@ -676,7 +676,7 @@ private final class Repeat[T](partial: Option[Parser[T]], repeated: Parser[T], m
 		else
 			// forced determinism
 			for(value <- repeated.resultEmpty) yield
-				List.make(min, value)
+				makeList(min, value)
 	}
 	override def toString = "repeat(" + min + "," + max +"," + partial + "," + repeated + ")"
 }
\ No newline at end of file