diff --git a/shared-bindings/pulseio/__init__.c b/shared-bindings/pulseio/__init__.c
index 1114b604b2..a3cec3dca5 100644
--- a/shared-bindings/pulseio/__init__.c
+++ b/shared-bindings/pulseio/__init__.c
@@ -54,10 +54,6 @@
 //|     PWMOut
 //|
 
-//| .. warning:: This module is not available in some SAMD21 builds. See the
-//|   :ref:`module-support-matrix` for more info.
-//|
-
 //| All classes change hardware state and should be deinitialized when they
 //| are no longer needed if the program continues after use. To do so, either
 //| call :py:meth:`!deinit` or use a context manager. See