diff --git a/pkg/src/src/main/scala/edu/berkeley/cs/amplab/sparkr/SparkRBackendHandler.scala b/pkg/src/src/main/scala/edu/berkeley/cs/amplab/sparkr/SparkRBackendHandler.scala
index c292c59d63f29..44b90ab36ab6d 100644
--- a/pkg/src/src/main/scala/edu/berkeley/cs/amplab/sparkr/SparkRBackendHandler.scala
+++ b/pkg/src/src/main/scala/edu/berkeley/cs/amplab/sparkr/SparkRBackendHandler.scala
@@ -165,7 +165,6 @@ class SparkRBackendHandler(server: SparkRBackend)
         }
       }
       if (!parameterWrapperType.isInstance(args(i))) {
-        System.err.println(s"arg $i not match: expected type $parameterWrapperType, but got ${args(i).getClass()}")
         return false
       }
     }