diff --git a/mllib/src/main/scala/org/apache/spark/ml/clustering/KMeans.scala b/mllib/src/main/scala/org/apache/spark/ml/clustering/KMeans.scala
index 8cd236f27a339..9dfe245155d48 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/clustering/KMeans.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/clustering/KMeans.scala
@@ -128,8 +128,7 @@ class KMeansModel private[ml] (
     validateAndTransformSchema(schema)
   }
 
-  private[clustering]
-  def predict(features: Vector): Int = parentModel.predict(features)
+  private[clustering] def predict(features: Vector): Int = parentModel.predict(features)
 
   def clusterCenters: Array[Vector] = parentModel.clusterCenters
 }