1 files changed, 2 insertions, 0 deletions
diff --git a/build.sbt b/build.sbt
index cf41a0ab..d3049939 100644
--- a/build.sbt
+++ b/build.sbt
@@ -140,6 +140,8 @@ lazy val chisel = (project in file(".")).
     scalacOptions in Test ++= Seq("-language:reflectiveCalls"),
     scalacOptions in Compile in doc ++= Seq(
       "-diagrams",
+      "-groups",
+      "-skip-packages", "chisel3.internal",
       "-diagrams-max-classes", "25",
       "-doc-version", version.value,
       "-doc-title", name.value,