diff --git a/os/hal/src/dac.c b/os/hal/src/dac.c
index 98b2ad03c..c3c1b7c0c 100644
--- a/os/hal/src/dac.c
+++ b/os/hal/src/dac.c
@@ -141,7 +141,6 @@ void dacStop(DACDriver *dacp) {
  */
 void dacPutChannelX(DACDriver *dacp, dacchannel_t channel, dacsample_t sample) {
 
-  osalDbgCheckClassI();
   osalDbgCheck(channel < DAC_MAX_CHANNELS);
   osalDbgAssert(dacp->state == DAC_READY, "invalid state");