diff --git a/requirements.txt b/requirements.txt
index 60ae1665..5d36fb6a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,6 @@ git+https://github.com/typesupply/feaPyFoFum
 git+https://github.com/typesupply/feaTools2
 pip
 packaging
-ruff
 ruff-api
 pytz
 delocate==0.10.7  # for merging intel+silicon wheels into universal2
diff --git a/setupApp.py b/setupApp.py
index 50cfd7e1..a2849d77 100644
--- a/setupApp.py
+++ b/setupApp.py
@@ -199,7 +199,6 @@ def getValueFromSysArgv(key, default=None, isBooleanFlag=False):
                 "setuptools",
                 "packaging",
                 "PIL",
-                "ruff",
                 "ruff_api",
             ],
             includes=[