diff --git a/desc/compute/_curve.py b/desc/compute/_curve.py
index 14cd574a81..4085a7aa66 100644
--- a/desc/compute/_curve.py
+++ b/desc/compute/_curve.py
@@ -625,7 +625,7 @@ def _x_SplineXYZCurve(params, transforms, profiles, data, **kwargs):
     units_long="meters",
     description="Position vector along curve, first derivative",
     dim=3,
-    params=["X", "Y", "Z", "knots", "rotmat"],
+    params=["X", "Y", "Z", "rotmat"],
     transforms={"knots": []},
     profiles=[],
     coordinates="s",
@@ -673,7 +673,7 @@ def _x_s_SplineXYZCurve(params, transforms, profiles, data, **kwargs):
     units_long="meters",
     description="Position vector along curve, second derivative",
     dim=3,
-    params=["X", "Y", "Z", "rotmat", "shift"],
+    params=["X", "Y", "Z", "rotmat"],
     transforms={"knots": []},
     profiles=[],
     coordinates="s",
@@ -721,7 +721,7 @@ def _x_ss_SplineXYZCurve(params, transforms, profiles, data, **kwargs):
     units_long="meters",
     description="Position vector along curve, third derivative",
     dim=3,
-    params=["X", "Y", "Z", "rotmat", "shift"],
+    params=["X", "Y", "Z", "rotmat"],
     transforms={"knots": []},
     profiles=[],
     coordinates="s",