diff --git a/src/sage/rings/power_series_poly.pyx b/src/sage/rings/power_series_poly.pyx
index 4cf4d8307ac..7c93168d4b1 100644
--- a/src/sage/rings/power_series_poly.pyx
+++ b/src/sage/rings/power_series_poly.pyx
@@ -1122,11 +1122,6 @@ cdef class PowerSeries_poly(PowerSeries):
 
         a ratio of two polynomials
 
-        .. WARNING::
-
-            The current implementation uses a very slow algorithm and is not
-            suitable for high orders.
-
         ALGORITHM:
 
         This method uses the formula as a quotient of two determinants.