diff --git a/main-actions/src/main/scala/sbt/compiler/Eval.scala b/main-actions/src/main/scala/sbt/compiler/Eval.scala
index a628e5959..f756d92b8 100644
--- a/main-actions/src/main/scala/sbt/compiler/Eval.scala
+++ b/main-actions/src/main/scala/sbt/compiler/Eval.scala
@@ -21,7 +21,6 @@ import java.net.URLClassLoader
 import Eval.{ getModule, getValue, WrapValName }
 
 import sbt.io.{ DirectoryFilter, FileFilter, GlobFilter, Hash, IO, Path }
-import sbt.io.IO.getModifiedTime
 
 // TODO: provide a way to cleanup backing directory
 
@@ -488,11 +487,8 @@ private[sbt] object Eval {
   def fileModifiedBytes(f: File): Array[Byte] =
     (if (f.isDirectory) filesModifiedBytes(f listFiles classDirFilter)
      else
-       bytes(try {
-         getModifiedTime(f)
-       } catch {
-         case _: java.io.FileNotFoundException => 0L
-       })) ++ bytes(f.getAbsolutePath)
+       bytes(try IO.getModifiedTime(f) catch { case _: java.io.FileNotFoundException => 0L })) ++
+         bytes(f.getAbsolutePath)
   def fileExistsBytes(f: File): Array[Byte] =
     bytes(f.exists) ++
       bytes(f.getAbsolutePath)
diff --git a/main/src/main/scala/sbt/Defaults.scala b/main/src/main/scala/sbt/Defaults.scala
index abe66d6be..b006c115d 100755
--- a/main/src/main/scala/sbt/Defaults.scala
+++ b/main/src/main/scala/sbt/Defaults.scala
@@ -47,7 +47,6 @@ import sbt.io.{
   DirectoryFilter,
   Hash
 }, Path._
-import sbt.io.IO.getModifiedTime
 import sbt.librarymanagement.Artifact.{ DocClassifier, SourceClassifier }
 import sbt.librarymanagement.Configurations.{
   Compile,
@@ -2316,7 +2315,7 @@ object Classpaths {
         case Some(period) =>
           val fullUpdateOutput = cacheDirectory / "out"
           val now = System.currentTimeMillis
-          val diff = now - getModifiedTime(fullUpdateOutput)
+          val diff = now - IO.getModifiedTime(fullUpdateOutput)
           val elapsedDuration = new FiniteDuration(diff, TimeUnit.MILLISECONDS)
           fullUpdateOutput.exists() && elapsedDuration > period
       }
diff --git a/main/src/main/scala/sbt/internal/LibraryManagement.scala b/main/src/main/scala/sbt/internal/LibraryManagement.scala
index 2849ce17b..fc832ffff 100644
--- a/main/src/main/scala/sbt/internal/LibraryManagement.scala
+++ b/main/src/main/scala/sbt/internal/LibraryManagement.scala
@@ -13,7 +13,7 @@ import sbt.internal.librarymanagement._
 import sbt.librarymanagement._
 import sbt.librarymanagement.syntax._
 import sbt.util.{ CacheStore, CacheStoreFactory, Logger, Tracked }
-import sbt.io.IO.getModifiedTime
+import sbt.io.IO
 
 private[sbt] object LibraryManagement {
 
@@ -127,7 +127,7 @@ private[sbt] object LibraryManagement {
   }
 
   private[this] def fileUptodate(file: File, stamps: Map[File, Long]): Boolean =
-    stamps.get(file).forall(_ == getModifiedTime(file))
+    stamps.get(file).forall(_ == IO.getModifiedTime(file))
 
   private[sbt] def transitiveScratch(
       lm: DependencyResolution,