diff --git a/.github/workflows/generate-doc-check.yml b/.github/workflows/generate-doc-check.yml
index bfac06f5521..bc36960d0a2 100644
--- a/.github/workflows/generate-doc-check.yml
+++ b/.github/workflows/generate-doc-check.yml
@@ -48,5 +48,5 @@ jobs:
         run: |-
           sudo apt-get install graphviz
 
-      - name: Compile docs for all Scala versions
-        run: sbt +compile:doc
+      - name: Compile testClass&docs for all Scala versions
+        run: sbt ";TestJdk9 / compile ; +compile:doc"
diff --git a/docs/src/test/java-jdk9-only/jdocs/stream/operators/source/AsSubscriber.java b/docs/src/test/java-jdk9-only/jdocs/stream/operators/source/AsSubscriber.java
index bdaeafdc1d7..a82609b25a5 100644
--- a/docs/src/test/java-jdk9-only/jdocs/stream/operators/source/AsSubscriber.java
+++ b/docs/src/test/java-jdk9-only/jdocs/stream/operators/source/AsSubscriber.java
@@ -20,7 +20,6 @@
 import org.apache.pekko.NotUsed;
 import org.apache.pekko.stream.javadsl.Source;
 import org.apache.pekko.stream.javadsl.JavaFlowSupport;
-
 //#imports
 public interface AsSubscriber {
     // We are 'faking' the JavaFlowSupport API here so we can include the signature as a snippet in the API,
diff --git a/docs/src/test/scala/docs/stream/operators/sink/AsPublisher.scala b/docs/src/test/scala/docs/stream/operators/sink/AsPublisher.scala
index ce1cf63e50c..cb5a302a198 100644
--- a/docs/src/test/scala/docs/stream/operators/sink/AsPublisher.scala
+++ b/docs/src/test/scala/docs/stream/operators/sink/AsPublisher.scala
@@ -13,10 +13,11 @@
 
 package docs.stream.operators.sink
 
-import scala.concurrent.{ ExecutionContextExecutor, Future }
 import org.apache.pekko.actor.ActorSystem
 import org.apache.pekko.stream.scaladsl.{ Sink, Source }
 
+import scala.concurrent.ExecutionContextExecutor
+
 object AsPublisher {
   implicit val system: ActorSystem = ???
   implicit val ec: ExecutionContextExecutor = system.dispatcher