diff --git a/cache/CacheIO.scala b/cache/CacheIO.scala
index 05768bab9..e5c643c6a 100644
--- a/cache/CacheIO.scala
+++ b/cache/CacheIO.scala
@@ -6,6 +6,15 @@ import scala.reflect.Manifest
 
 object CacheIO
 {
+	def toBytes[T](format: Format[T])(value: T)(implicit mf: Manifest[Format[T]]): Array[Byte] =
+		toBytes[T](value)(format, mf)
+	def toBytes[T](value: T)(implicit format: Format[T], mf: Manifest[Format[T]]): Array[Byte] =
+		Operations.toByteArray(value)(stampedFormat(format))
+	def fromBytes[T](format: Format[T], default: => T)(bytes: Array[Byte])(implicit mf: Manifest[Format[T]]): T =
+		fromBytes(default)(bytes)(format, mf)
+	def fromBytes[T](default: => T)(bytes: Array[Byte])(implicit format: Format[T], mf: Manifest[Format[T]]): T =
+		if(bytes.isEmpty) default else Operations.fromByteArray(bytes)(stampedFormat(format))
+		
 	def fromFile[T](format: Format[T], default: => T)(file: File)(implicit mf: Manifest[Format[T]]): T =
 		fromFile(file, default)(format, mf)
 	def fromFile[T](file: File, default: => T)(implicit format: Format[T], mf: Manifest[Format[T]]): T =
diff --git a/interface/src/main/java/xsbti/AnalysisCallbackContainer.java b/interface/src/main/java/xsbti/AnalysisCallbackContainer.java
deleted file mode 100644
index 3d0641ed7..000000000
--- a/interface/src/main/java/xsbti/AnalysisCallbackContainer.java
+++ /dev/null
@@ -1,12 +0,0 @@
-/* sbt -- Simple Build Tool
- * Copyright 2009  Mark Harrah
- */
-package xsbti;
-
-/** Provides access to an AnalysisCallback.  This is used by the plugin to
-* get the callback to use.  The scalac Global instance it is passed must
-* implement this interface. */
-public interface AnalysisCallbackContainer
-{
-	public AnalysisCallback analysisCallback();
-}
\ No newline at end of file