diff --git a/openda/utils/py4j_utils.py b/openda/utils/py4j_utils.py
index 7b268a1..f37f7f4 100644
--- a/openda/utils/py4j_utils.py
+++ b/openda/utils/py4j_utils.py
@@ -9,7 +9,6 @@
 @author: hegeman
 """
 
-#import warnings
 import numpy as np
 import pandas as pd
 from py4j.java_collections import JavaArray
@@ -23,7 +22,6 @@
     IObservationDescriptions_class = gateway.jvm.java.lang.Class.forName("org.openda.interfaces.IObservationDescriptions")
 except Exception:
     pass
-    #warnings.warn("Cannot connect to JVM did you start oda_py4j. Java building blocks cannot be used")
 
 
 def initialize_openda_configurable(openda_configurable, input_dir, config_xml):