diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 491d5fb498..3b4fa8a340 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -20,7 +20,7 @@ repos:
     -   id: flake8
         exclude: '^(pyextra)|(external)|(cereal)|(rednose)|(panda)|(laika)|(opendbc)|(laika_repo)|(rednose_repo)|(selfdrive/debug)/'
         args:
-        - --select=E112,E113,E304,E501,E502,E701,E702,E703,E71,E72,E731,W191,W6
+        - --select=F,E112,E113,E304,E501,E502,E701,E702,E703,E71,E72,E731,W191,W6
         - --max-line-length=240
         - --statistics
 -   repo: local
diff --git a/common/transformations/orientation.py b/common/transformations/orientation.py
index b0e028d4e3..f0920942b6 100644
--- a/common/transformations/orientation.py
+++ b/common/transformations/orientation.py
@@ -8,8 +8,7 @@ from common.transformations.transformations import (ecef_euler_from_ned_single,
                                                     quat2euler_single,
                                                     quat2rot_single,
                                                     rot2euler_single,
-                                                    rot2quat_single,
-                                                    rot_matrix)
+                                                    rot2quat_single)
 
 
 def numpy_wrap(function, input_shape, output_shape):