diff --git a/build.sbt b/build.sbt
index 4a33c157..57bc87ba 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,7 +2,7 @@ import ElasticsearchPluginPlugin.autoImport.*
 import org.typelevel.sbt.tpolecat.{CiMode, DevMode}
 import org.typelevel.scalacoptions.*
 
-Global / scalaVersion := "3.3.3"
+Global / scalaVersion := "3.3.4"
 
 Global / scalacOptions += "-explain"
 
diff --git a/elastiknn-plugin/src/test/scala/com/klibisz/elastiknn/models/ExactSimilarityReference.scala b/elastiknn-plugin/src/test/scala/com/klibisz/elastiknn/models/ExactSimilarityReference.scala
index 1c8724de..2639de4d 100644
--- a/elastiknn-plugin/src/test/scala/com/klibisz/elastiknn/models/ExactSimilarityReference.scala
+++ b/elastiknn-plugin/src/test/scala/com/klibisz/elastiknn/models/ExactSimilarityReference.scala
@@ -1,6 +1,5 @@
 package com.klibisz.elastiknn.models
 
-import breeze.linalg.{DenseVector, euclideanDistance}
 import com.klibisz.elastiknn.api.Vec
 import breeze.linalg._