diff --git a/amm/repl/src/main/scala/ammonite/repl/ApiImpls.scala b/amm/repl/src/main/scala/ammonite/repl/ApiImpls.scala
index f885d84d..d3f520b7 100644
--- a/amm/repl/src/main/scala/ammonite/repl/ApiImpls.scala
+++ b/amm/repl/src/main/scala/ammonite/repl/ApiImpls.scala
@@ -88,15 +88,7 @@ class ReplApiImpl(val interp: Interpreter,
       defaultWidth = width,
       colorLiteral = colors().literal(),
       colorApplyPrefix = colors().prefix(),
-      additionalHandlers = {
-        case x: ammonite.ops.LsSeq => PPrints.lsSeqRepr(x)
-        case x: ammonite.ops.Path => PPrints.pathRepr(x)
-        case x: ammonite.ops.RelPath => PPrints.relPathRepr(x)
-        case x: ammonite.ops.CommandResult => PPrints.commandResultRepr(x)
-        case t: History => pprint.Tree.Lazy(ctx => Iterator(t.mkString("\n")))
-        case t: GrepResult => pprint.Tree.Lazy(ctx => Iterator(GrepResult.grepResultRepr(t, ctx)))
-        case t: scala.xml.Elem => pprint.Tree.Lazy(_ => Iterator(t.toString))
-      }
+      additionalHandlers = PPrints.replPPrintHandlers
     )
   )
 
diff --git a/amm/repl/src/main/scala/ammonite/repl/PPrints.scala b/amm/repl/src/main/scala/ammonite/repl/PPrints.scala
index 1d82087b..37c8a2a1 100644
--- a/amm/repl/src/main/scala/ammonite/repl/PPrints.scala
+++ b/amm/repl/src/main/scala/ammonite/repl/PPrints.scala
@@ -1,10 +1,20 @@
 package ammonite.repl
 
 import ammonite.ops.{CommandResult, LsSeq}
+import ammonite.runtime.History
+import ammonite.runtime.tools.GrepResult
 import pprint.Renderer
 
 object PPrints{
-
+  val replPPrintHandlers: PartialFunction[Any, pprint.Tree] = {
+    case x: ammonite.ops.LsSeq => PPrints.lsSeqRepr(x)
+    case x: ammonite.ops.Path => PPrints.pathRepr(x)
+    case x: ammonite.ops.RelPath => PPrints.relPathRepr(x)
+    case x: ammonite.ops.CommandResult => PPrints.commandResultRepr(x)
+    case t: History => pprint.Tree.Lazy(ctx => Iterator(t.mkString("\n")))
+    case t: GrepResult => pprint.Tree.Lazy(ctx => Iterator(GrepResult.grepResultRepr(t, ctx)))
+    case t: scala.xml.Elem => pprint.Tree.Lazy(_ => Iterator(t.toString))
+  }
   def lsSeqRepr(t: LsSeq) = pprint.Tree.Lazy { ctx =>
     val renderer = new Renderer(
       ctx.width, ctx.applyPrefixColor, ctx.literalColor, ctx.indentStep
diff --git a/shell/src/test/scala/ammonite/shell/PPrintTests.scala b/amm/src/test/scala/ammonite/unit/PPrintTests.scala
similarity index 80%
rename from shell/src/test/scala/ammonite/shell/PPrintTests.scala
rename to amm/src/test/scala/ammonite/unit/PPrintTests.scala
index a35b45b7..3147c200 100644
--- a/shell/src/test/scala/ammonite/shell/PPrintTests.scala
+++ b/amm/src/test/scala/ammonite/unit/PPrintTests.scala
@@ -1,13 +1,15 @@
-package ammonite.shell
+package ammonite.unit
 
 import ammonite.ops._
 import utest._
-import PPrints._
+
 object PPrintTests extends TestSuite{
   def check(lhs: String, rhs: String) = {
     assert(lhs == rhs)
   }
-  val pprinter = pprint.PPrinter.BlackWhite.copy(additionalHandlers = Configure.pprintHandlers)
+  val pprinter = pprint.PPrinter.BlackWhite.copy(
+    additionalHandlers = ammonite.repl.PPrints.replPPrintHandlers
+  )
   val tests = TestSuite{
 
     'paths{
diff --git a/build.sbt b/build.sbt
index 6202c2b2..34448c13 100644
--- a/build.sbt
+++ b/build.sbt
@@ -153,8 +153,6 @@ lazy val ammUtil = project
   .settings(
     macroSettings,
     sharedSettings,
-    crossVersion := CrossVersion.full,
-
     name := "ammonite-util",
     libraryDependencies ++= Seq(
       "com.lihaoyi" %% "upickle" % "0.4.4",
@@ -169,7 +167,6 @@ lazy val ammRuntime = project
   .settings(
     macroSettings,
     sharedSettings,
-    crossVersion := CrossVersion.full,
 
     name := "ammonite-runtime",
     libraryDependencies ++= Seq(
@@ -226,6 +223,7 @@ lazy val shell = project
   .settings(
     sharedSettings,
     macroSettings,
+    crossVersion := CrossVersion.full,
     name := "ammonite-shell",
     (test in Test) := (test in Test).dependsOn(packageBin in Compile).value,
     (run in Test) := (run in Test).dependsOn(packageBin in Compile).evaluated,
@@ -308,7 +306,22 @@ lazy val readme = ScalatexReadme(
   (unmanagedSources in Compile) += baseDirectory.value/".."/"project"/"Constants.scala"
 )
 
+// Only modules down-stream of `ammInterp` need to be fully cross-built against
+// minor versions, since `interp` depends on compiler internals. The modules
+// upstream of `ammInterp` can be cross-built normally only against major versions
+// of Scala
+lazy val singleCrossBuilt = project
+  .in(file("target/singleCrossBuilt"))
+  .aggregate(ops, terminal, ammUtil, ammRuntime)
+  .settings(dontPublishSettings)
+
+lazy val fullCrossBuilt = project
+  .in(file("target/fullCrossBuilt"))
+  .aggregate(shell, amm, sshd, ammInterp, ammRepl)
+  .settings(dontPublishSettings)
+
+
 lazy val published = project
   .in(file("target/published"))
-  .aggregate(ops, shell, terminal, amm, sshd, ammUtil, ammRuntime, ammInterp, ammRepl)
+  .aggregate(fullCrossBuilt, singleCrossBuilt)
   .settings(dontPublishSettings)
diff --git a/ci/build.sc b/ci/build.sc
index 66b8b56c..ff73a702 100755
--- a/ci/build.sc
+++ b/ci/build.sc
@@ -14,7 +14,7 @@ val allVersions = Seq(
   "2.12.0", "2.12.1", "2.12.2"
 )
 
-val latestVersions = Set("2.10.6", "2.11.11", "2.12.2")
+val latestMajorVersions = Set("2.10.6", "2.11.11", "2.12.2")
 
 val buildVersion =
   if (sys.env("TRAVIS_TAG") == "") s"COMMIT-${getGitHash()}"
@@ -69,8 +69,12 @@ def publishSigned() = {
   write(cwd/"pubring.asc", sys.env("SONATYPE_PGP_PUB_KEY_CONTENTS").replace("\\n", "\n"))
 
 
+  for (version <- latestMajorVersions) {
+    %sbt("++" + version, "singleCrossBuilt/publishSigned")
+  }
+
   for (version <- allVersions) {
-    %sbt("++" + version, "published/publishSigned")
+    %sbt("++" + version, "fullCrossBuilt/publishSigned")
   }
   %sbt("sonatypeReleaseAll")
 }
@@ -152,7 +156,7 @@ def publishExecutable(ammoniteVersion: String,
       .asString
   }
 
-  for (version <- latestVersions) {
+  for (version <- latestMajorVersions) {
     println("MASTER COMMIT: Publishing Executable for Scala " + version)
     //Prepare executable
     %sbt("++" + version, "amm/test:assembly")
@@ -179,7 +183,7 @@ def executable() = {
     )
   }else{
     println("MISC COMMIT: generating executable but not publishing")
-    for (version <- latestVersions) {
+    for (version <- latestMajorVersions) {
       %sbt("++" + version, "published/test:compile")
       %sbt("++" + version, "integration/test:compile")
       %sbt("++" + version, "amm/test:assembly")
@@ -210,9 +214,13 @@ def artifacts() = {
     publishSigned()
   }else{
     println("MISC COMMIT: Compiling all Scala code across versions for verification")
+    for (version <- latestMajorVersions) {
+      %sbt("++" + version, "singleCrossBuilt/package")
+      %sbt("++" + version, "singleCrossBuilt/packageSrc")
+    }
     for (version <- allVersions) {
-      %sbt("++" + version, "published/package")
-      %sbt("++" + version, "published/packageSrc")
+      %sbt("++" + version, "fullCrossBuilt/package")
+      %sbt("++" + version, "fullCrossBuilt/packageSrc")
     }
   }