diff --git a/algebra/versor.py b/algebra/versor.py
index a77bae9f..e8940d16 100644
--- a/algebra/versor.py
+++ b/algebra/versor.py
@@ -70,7 +70,4 @@ def versor_unit_residual(v: np.ndarray, *, allow_negative: bool = False) -> floa
     minus = vv.copy()
     minus[0] += 1.0
     return min(plus_residual, float(np.linalg.norm(minus)))
-
-
-def versor_condition(v: np.ndarray) -> float:
     return versor_unit_residual(v, allow_negative=False)