diff --git a/DDCore/python/dd4hepFactories.py b/DDCore/python/dd4hepFactories.py
index 2a1a4650c421d4907b7d8023a5fbdab12d9ae89c..2cb18d0983dd8159ee5bec02f668925057c5f774 100755
--- a/DDCore/python/dd4hepFactories.py
+++ b/DDCore/python/dd4hepFactories.py
@@ -18,9 +18,7 @@ import logging
 from ddsix.moves import input
 from io import open
 
-logging.basicConfig(format='%(levelname)s: %(message)s')
 logger = logging.getLogger(__name__)
-logger.setLevel(logging.INFO)
 
 
 class ComponentDumper:
diff --git a/DDCore/python/dd4hep_base.py b/DDCore/python/dd4hep_base.py
index 92a68d2648a943fe5c4c9e0d804d995f07373f01..33bc4b5e13b4c209d983a66132e012eb0028fc8a 100644
--- a/DDCore/python/dd4hep_base.py
+++ b/DDCore/python/dd4hep_base.py
@@ -13,9 +13,7 @@ import cppyy
 import imp
 import logging
 
-logging.basicConfig(format='%(levelname)s: %(message)s')
 logger = logging.getLogger(__name__)
-logger.setLevel(logging.INFO)
 
 # We compile the DDG4 plugin on the fly if it does not exist using the AClick mechanism:
 
diff --git a/DDCore/python/lcdd.py b/DDCore/python/lcdd.py
index 921a5cfe73bec15e5e3967658379aec30bcd247d..d86665441d68c34350d6e18c09a141056a9710d5 100644
--- a/DDCore/python/lcdd.py
+++ b/DDCore/python/lcdd.py
@@ -21,9 +21,7 @@ from ddsix.moves import range
 from io import open
 from ROOT import SetOwnership, dd4hep, TGeoMixture, TGeoMedium, gGeoManager, TNamed
 
-logging.basicConfig(format='%(levelname)s: %(message)s')
 logger = logging.getLogger(__name__)
-logger.setLevel(logging.INFO)
 
 Detector = dd4hep.Geometry.Detector
 Constant = dd4hep.Geometry.Constant
diff --git a/DDDigi/python/DDDigi.py b/DDDigi/python/DDDigi.py
index ea1befd8770cec2e79f2cdf87148b3fc362bccfd..7487662fab63941d7e3e0b7e502663622a80093f 100644
--- a/DDDigi/python/DDDigi.py
+++ b/DDDigi/python/DDDigi.py
@@ -13,9 +13,7 @@ from dd4hep_base import std, std_vector, std_list, std_map, std_pair
 import logging
 from dd4hep_base import *
 
-logging.basicConfig(format='%(levelname)s: %(message)s')
 logger = logging.getLogger(__name__)
-logger.setLevel(logging.INFO)
 
 
 def loadDDDigi():
diff --git a/DDG4/python/DDG4.py b/DDG4/python/DDG4.py
index 783addf6becdf66b3a4363b58c761fcb55d8e50b..cc97bae5a51c321ef8782617a6f8e2372c007c98 100644
--- a/DDG4/python/DDG4.py
+++ b/DDG4/python/DDG4.py
@@ -15,9 +15,7 @@ import logging
 from dd4hep_base import *
 import ddsix as six
 
-logging.basicConfig(format='%(levelname)s: %(message)s')
 logger = logging.getLogger(__name__)
-logger.setLevel(logging.INFO)
 
 
 def loadDDG4():
diff --git a/DDG4/python/DDSim/DD4hepSimulation.py b/DDG4/python/DDSim/DD4hepSimulation.py
index f39ed08f8a803c25e92b56161149b5100ea35f54..b88389b302215cf77c2318e21bac213c3b1ccb8b 100644
--- a/DDG4/python/DDSim/DD4hepSimulation.py
+++ b/DDG4/python/DDSim/DD4hepSimulation.py
@@ -28,9 +28,7 @@ from g4units import *
 import logging
 from io import open
 
-logging.basicConfig(format='%(levelname)s: %(message)s')
 logger = logging.getLogger(__name__)
-logger.setLevel(logging.INFO)
 
 try:
   import argcomplete
diff --git a/DDG4/python/DDSim/Helper/Filter.py b/DDG4/python/DDSim/Helper/Filter.py
index 2bedf7fb2897c5b875e8ae039c273f8637558c80..7f4d00b876450fe06bf6109f74250fe2bac46a91 100644
--- a/DDG4/python/DDSim/Helper/Filter.py
+++ b/DDG4/python/DDSim/Helper/Filter.py
@@ -12,9 +12,7 @@ import logging
 from ddsix.moves import range
 import ddsix as six
 
-logging.basicConfig(format='%(levelname)s: %(message)s')
 logger = logging.getLogger(__name__)
-logger.setLevel(logging.INFO)
 
 
 class Filter(ConfigHelper):
diff --git a/DDG4/python/DDSim/Helper/Gun.py b/DDG4/python/DDSim/Helper/Gun.py
index fe71b1edfb2f7d886f960a559cb3de077d736996..9963afe4ac19752c62b1f401ee499cf78eab7601 100644
--- a/DDG4/python/DDSim/Helper/Gun.py
+++ b/DDG4/python/DDSim/Helper/Gun.py
@@ -6,9 +6,7 @@ from g4units import GeV
 import logging
 import ddsix as six
 
-logging.basicConfig(format='%(levelname)s: %(message)s')
 logger = logging.getLogger(__name__)
-logger.setLevel(logging.INFO)
 
 
 class Gun(ConfigHelper):
diff --git a/DDG4/python/DDSim/Helper/Meta.py b/DDG4/python/DDSim/Helper/Meta.py
index 2599d6c3344b4d683a4b82d6ce2f45bda9448893..ace1bd20ceb97c6851b543c036a60a5307baa590 100644
--- a/DDG4/python/DDSim/Helper/Meta.py
+++ b/DDG4/python/DDSim/Helper/Meta.py
@@ -8,9 +8,7 @@ import logging
 import ddsix as six
 from io import open
 
-logging.basicConfig(format='%(levelname)s: %(message)s')
 logger = logging.getLogger(__name__)
-logger.setLevel(logging.INFO)
 
 
 class Meta(ConfigHelper):
diff --git a/DDG4/python/DDSim/Helper/ParticleHandler.py b/DDG4/python/DDSim/Helper/ParticleHandler.py
index 45be8cb50ab398582cd4dd726e94d2ab52814c61..db5864f6143556c29570b22609cf79f610c2367d 100644
--- a/DDG4/python/DDSim/Helper/ParticleHandler.py
+++ b/DDG4/python/DDSim/Helper/ParticleHandler.py
@@ -4,9 +4,7 @@ from DDSim.Helper.ConfigHelper import ConfigHelper
 from g4units import MeV, mm
 import logging
 
-logging.basicConfig(format='%(levelname)s: %(message)s')
 logger = logging.getLogger(__name__)
-logger.setLevel(logging.INFO)
 
 
 class ParticleHandler(ConfigHelper):
diff --git a/DDG4/python/DDSim/Helper/Random.py b/DDG4/python/DDSim/Helper/Random.py
index 0c54c57610b280d5bc5cf70989cf19f0f78898f5..1ee0c101da4cf89a3e23b51b8f98156a2d5bad6c 100644
--- a/DDG4/python/DDSim/Helper/Random.py
+++ b/DDG4/python/DDSim/Helper/Random.py
@@ -5,9 +5,7 @@ from DDSim.Helper.ConfigHelper import ConfigHelper
 import random
 import logging
 
-logging.basicConfig(format='%(levelname)s: %(message)s')
 logger = logging.getLogger(__name__)
-logger.setLevel(logging.INFO)
 
 
 class Random (ConfigHelper):
diff --git a/DDRec/python/DDRec.py b/DDRec/python/DDRec.py
index 3896ba3729559633adabeda6241eee94c65ead19..a8910f76974d7e648a5b2df7d69840de2f4aedfc 100644
--- a/DDRec/python/DDRec.py
+++ b/DDRec/python/DDRec.py
@@ -12,9 +12,7 @@ from __future__ import absolute_import, unicode_literals
 import dd4hep as core
 import logging
 
-logging.basicConfig(format='%(levelname)s: %(message)s')
 logger = logging.getLogger(__name__)
-logger.setLevel(logging.INFO)
 
 
 def loadDDRec():