diff --git a/scripts/createEDM4hepFile.py b/scripts/createEDM4hepFile.py
index f11c433b0..b532e174c 100755
--- a/scripts/createEDM4hepFile.py
+++ b/scripts/createEDM4hepFile.py
@@ -36,7 +36,7 @@ def create_MCParticleCollection():
     counter = count(COUNT_START)
     particles = edm4hep.MCParticleCollection()
     p_list = []
-    for i in range(3):
+    for _ in range(3):
         particle = particles.create()
         p_list.append(particle)
         particle.setPDG(next(counter))
diff --git a/test/test_EDM4hepFile.py b/test/test_EDM4hepFile.py
index 1b01a8c97..fc8da2d14 100644
--- a/test/test_EDM4hepFile.py
+++ b/test/test_EDM4hepFile.py
@@ -3,7 +3,6 @@
 created by scripts/createEDM4hepFile.py has the expected contents
 """
 
-import os
 import podio
 import edm4hep
 import pytest
@@ -12,7 +11,7 @@
 # For now simply copy these from createEDM4hepFile.py
 FRAMES = 3
 VECTORSIZE = 5
-COUNT_START = 42  # Where to the counter from
+COUNT_START = 42  # Starting point for the counters
 
 
 @pytest.fixture(scope="module")