diff --git a/docs/source/conf.py b/docs/source/conf.py
index b86e8e3..c5cdd24 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 #
-# diffpy.srxplanar documentation build configuration file, created by  # noqa: E501
+# diffpy.srxplanar documentation build configuration file, created by
 # sphinx-quickstart on Thu Jan 30 15:49:41 2014.
 #
 # This file is execfile()d with the current directory set to its
@@ -22,11 +22,11 @@
 try:
     fullversion = version("diffpy.srxplanar")
 except Exception:
-    fullversion = "No version found. The correct version will appear in the released version."  # noqa: E501
+    fullversion = "No version found. The correct version will appear in the released version."
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
-# documentation root, use Path().resolve() to make it absolute, like shown here.  # noqa: E501
+# documentation root, use Path().resolve() to make it absolute, like shown here.
 # sys.path.insert(0, str(Path(".").resolve()))
 sys.path.insert(0, str(Path("../..").resolve()))
 sys.path.insert(0, str(Path("../../src").resolve()))
diff --git a/news/remove-noqa.rst b/news/remove-noqa.rst
new file mode 100644
index 0000000..8aaa013
--- /dev/null
+++ b/news/remove-noqa.rst
@@ -0,0 +1,23 @@
+**Added:**
+
+* No news added: Removed noqa comments
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* <news item>
+
+**Fixed:**
+
+* <news item>
+
+**Security:**
+
+* <news item>
diff --git a/src/diffpy/srxplanar/selfcalibrate.py b/src/diffpy/srxplanar/selfcalibrate.py
index 2c3ea7b..136aedc 100644
--- a/src/diffpy/srxplanar/selfcalibrate.py
+++ b/src/diffpy/srxplanar/selfcalibrate.py
@@ -1,24 +1,17 @@
 from functools import partial
 
 import numpy as np
-from matplotlib import rcParams
 from scipy.optimize import leastsq, minimize
 
-rcParams["backend"] = "Qt4Agg"
 try:
-    import PySide  # noqa: F401
+    from matplotlib import rcParams
 
-    rcParams["backend.qt4"] = "PySide"
+    rcParams["backend"] = "QtAgg"
     import matplotlib.pyplot as plt
 
     mplenabled = True
 except ImportError:
-    try:
-        import matplotlib.pyplot as plt
-
-        mplenabled = True
-    except ImportError:
-        mplenabled = False
+    mplenabled = False
 
 
 def halfcut(
diff --git a/src/diffpy/srxplanar/srxplanarconfig.py b/src/diffpy/srxplanar/srxplanarconfig.py
index 0f8b5fe..b616587 100644
--- a/src/diffpy/srxplanar/srxplanarconfig.py
+++ b/src/diffpy/srxplanar/srxplanarconfig.py
@@ -505,7 +505,8 @@
 
 
 class SrXplanarConfig(ConfigBase):
-    """Config class, based on ConfigBase class in diffpy.srxconfutils."""
+    """Config class, based on ConfigBase class in
+    diffpy.srxconfutils."""
 
     # Text to display before the argument help
     _description = _description
diff --git a/src/diffpy/srxplanar/version.py b/src/diffpy/srxplanar/version.py
index 3523646..0cdb9ed 100644
--- a/src/diffpy/srxplanar/version.py
+++ b/src/diffpy/srxplanar/version.py
@@ -7,7 +7,7 @@
 # File coded by: Xiaohao Yang, Simon Billinge, Billinge Group members.
 #
 # See GitHub contributions for a more detailed list of contributors.
-# https://github.com/diffpy/diffpy.srxplanar/graphs/contributors  # noqa: E501
+# https://github.com/diffpy/diffpy.srxplanar/graphs/contributors
 #
 # See LICENSE.rst for license information.
 #