diff --git a/.flake8 b/.flake8
index 15e43a6cc..4fc1beac0 100644
--- a/.flake8
+++ b/.flake8
@@ -8,6 +8,7 @@ extend-ignore:
     E203,
     E204,
     E231,
+    E265,
     E266,
     E303,
     E402,
diff --git a/test/test_datacube.py b/test/test_datacube.py
index e50590fbf..67f419014 100644
--- a/test/test_datacube.py
+++ b/test/test_datacube.py
@@ -1,6 +1,5 @@
 import py4DSTEM
 import numpy as np
-from os.path import join
 
 # set filepath
 path = py4DSTEM._TESTPATH + "/small_datacube.dm4"
diff --git a/test/test_native_io/test_calibration_io.py b/test/test_native_io/test_calibration_io.py
index 026ce6845..4bf1fbb3c 100644
--- a/test/test_native_io/test_calibration_io.py
+++ b/test/test_native_io/test_calibration_io.py
@@ -1,6 +1,6 @@
-#import py4DSTEM
-#import numpy as np
-#from os.path import join
+# import py4DSTEM
+# import numpy as np
+# from os.path import join
 
 # set filepath
 # path = join(py4DSTEM._TESTPATH, "filename")
diff --git a/test/test_native_io/test_realslice_read.py b/test/test_native_io/test_realslice_read.py
index 168737caf..f58a54435 100644
--- a/test/test_native_io/test_realslice_read.py
+++ b/test/test_native_io/test_realslice_read.py
@@ -11,4 +11,3 @@
 
 def test_read_realslice():
     realslice = py4DSTEM.read(filepath, datapath="4DSTEM/Fit Data")  # noqa: F841
-