diff --git a/nibabel/casting.py b/nibabel/casting.py
index 042a2f415..b27932547 100644
--- a/nibabel/casting.py
+++ b/nibabel/casting.py
@@ -51,11 +51,11 @@ class CastingError(Exception):
     getattr(np, dtype)
     for dtype in (
         'int8', 'byte', 'int16', 'short', 'int32', 'intc', 'int_', 'int64', 'longlong',
-        'uint8', 'ubyte', 'uint16', 'ushort', 'uint32', 'uintc', 'uint', 'uint64', 'ulonglong',  # noqa: E501
-        'float16', 'half', 'float32', 'single', 'float64', 'double', 'float96', 'float128', 'longdouble',  # noqa: E501
-        'complex64', 'csingle', 'complex128', 'cdouble', 'complex192', 'complex256', 'clongdouble',  # noqa: E501
+        'uint8', 'ubyte', 'uint16', 'ushort', 'uint32', 'uintc', 'uint', 'uint64', 'ulonglong',
+        'float16', 'half', 'float32', 'single', 'float64', 'double', 'float96', 'float128', 'longdouble',
+        'complex64', 'csingle', 'complex128', 'cdouble', 'complex192', 'complex256', 'clongdouble',
         # other names of the built-in scalar types
-        'int_', 'float_', 'complex_', 'bytes_', 'str_', 'bool_', 'datetime64', 'timedelta64',  # noqa: E501
+        'int_', 'float_', 'complex_', 'bytes_', 'str_', 'bool_', 'datetime64', 'timedelta64',
         # other
         'object_', 'void',
     )
diff --git a/nibabel/info.py b/nibabel/info.py
index d7873de21..87727cab1 100644
--- a/nibabel/info.py
+++ b/nibabel/info.py
@@ -108,4 +108,4 @@
 
 .. _Digital Object Identifier: https://en.wikipedia.org/wiki/Digital_object_identifier
 .. _zenodo: https://zenodo.org
-"""  # noqa: E501
+"""
diff --git a/nibabel/parrec.py b/nibabel/parrec.py
index 8b3ffb34a..0a2005835 100644
--- a/nibabel/parrec.py
+++ b/nibabel/parrec.py
@@ -6,8 +6,6 @@
 #   copyright and license terms.
 #
 ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ##
-# Disable line length checking for PAR fragments in module docstring
-# noqa: E501
 """Read images in PAR/REC format
 
 This is yet another MRI image format generated by Philips scanners. It is an
diff --git a/nibabel/pydicom_compat.py b/nibabel/pydicom_compat.py
index 76423b40a..ea1c60b59 100644
--- a/nibabel/pydicom_compat.py
+++ b/nibabel/pydicom_compat.py
@@ -44,8 +44,8 @@
 if have_dicom:
     # Values not imported by default
     import pydicom.values  # type: ignore[import-not-found]
-    from pydicom.dicomio import dcmread as read_file  # noqa:F401
-    from pydicom.sequence import Sequence  # noqa:F401
+    from pydicom.dicomio import dcmread as read_file
+    from pydicom.sequence import Sequence
 
     tag_for_keyword = pydicom.datadict.tag_for_keyword
 
diff --git a/nibabel/tests/test_data.py b/nibabel/tests/test_data.py
index 511fa7f85..bd086b556 100644
--- a/nibabel/tests/test_data.py
+++ b/nibabel/tests/test_data.py
@@ -23,11 +23,11 @@
     get_data_path,
     make_datasource,
 )
-from .test_environment import DATA_KEY, USER_KEY, with_environment  # noqa: F401
+from .test_environment import DATA_KEY, USER_KEY, with_environment
 
 
 @pytest.fixture
-def with_nimd_env(request, with_environment):  # noqa: F811
+def with_nimd_env(request, with_environment):
     DATA_FUNCS = {}
     DATA_FUNCS['home_dir_func'] = nibd.get_nipy_user_dir
     DATA_FUNCS['sys_dir_func'] = nibd.get_nipy_system_dir
diff --git a/nibabel/tests/test_scripts.py b/nibabel/tests/test_scripts.py
index d97c99d05..ee49b4173 100644
--- a/nibabel/tests/test_scripts.py
+++ b/nibabel/tests/test_scripts.py
@@ -196,7 +196,7 @@ def test_help():
             # needs special treatment since depends on fuse module which
             # might not be available.
             try:
-                import fuse  # noqa: F401
+                import fuse
             except Exception:
                 continue  # do not test this one
         code, stdout, stderr = run_command([cmd, '--help'])