diff --git a/samples/drivers/video/capture/boards/arduino_nicla_vision_stm32h747xx_m7.conf b/samples/drivers/video/capture/boards/arduino_nicla_vision_stm32h747xx_m7.conf
index 6ae5e7da478..616279cb9c2 100644
--- a/samples/drivers/video/capture/boards/arduino_nicla_vision_stm32h747xx_m7.conf
+++ b/samples/drivers/video/capture/boards/arduino_nicla_vision_stm32h747xx_m7.conf
@@ -7,6 +7,7 @@ CONFIG_DMA=y
 CONFIG_USB_DEVICE_STACK=y
 CONFIG_USB_WORKQUEUE_STACK_SIZE=8192
 CONFIG_USB_DEVICE_INITIALIZE_AT_BOOT=y
+CONFIG_USB_CDC_ACM_LOG_LEVEL_OFF=y
 CONFIG_MAIN_STACK_SIZE=4096
 
 CONFIG_SERIAL=y
diff --git a/samples/subsys/shell/shell_module/overlay-usb.conf b/samples/subsys/shell/shell_module/overlay-usb.conf
index b92529f9cc6..f5e0e86d60b 100644
--- a/samples/subsys/shell/shell_module/overlay-usb.conf
+++ b/samples/subsys/shell/shell_module/overlay-usb.conf
@@ -1,6 +1,7 @@
 CONFIG_USB_DEVICE_STACK=y
 CONFIG_USB_DEVICE_PRODUCT="Zephyr USB shell sample"
 CONFIG_SHELL_BACKEND_SERIAL_CHECK_DTR=y
+CONFIG_USB_CDC_ACM_LOG_LEVEL_OFF=y
 CONFIG_UART_LINE_CTRL=y
 CONFIG_USB_DEVICE_INITIALIZE_AT_BOOT=n