diff --git a/module_usb_audio/warnings.xc b/module_usb_audio/warnings.xc
index 7c0f753d..ee85a3ca 100644
--- a/module_usb_audio/warnings.xc
+++ b/module_usb_audio/warnings.xc
@@ -72,10 +72,3 @@ Warnings relating to configuration defines located in this XC source file rather
 #error NUM_USB_CHAN_IN_FS expected to be less than or equal to NUM_USB_CHAN_IN
 #endif
 
-#if (NUM_USB_CHAN_IN && (NUM_USB_CHAN_IN < (I2S_CHANS_ADC + NUM_PDM_MICS)))
-#error Not enough USB input channels to support number of I2S and PDM inputs
-#endif
-
-#if (NUM_USB_CHAN_IN && (NUM_USB_CHAN_IN < (NUM_PDM_MICS + PDM_MIC_INDEX)))
-#error PDM mic inputs mapping exceeds bounds of USB input channel
-#endif