diff --git a/samples/subsys/shell/shell_module/overlay-usb.conf b/samples/subsys/shell/shell_module/overlay-usb.conf
index ef7ec4357f9..692287e23a1 100644
--- a/samples/subsys/shell/shell_module/overlay-usb.conf
+++ b/samples/subsys/shell/shell_module/overlay-usb.conf
@@ -3,3 +3,9 @@ CONFIG_USB_DEVICE_PRODUCT="Zephyr USB shell sample"
 CONFIG_SHELL_BACKEND_SERIAL_CHECK_DTR=y
 CONFIG_UART_LINE_CTRL=y
 CONFIG_USB_DEVICE_INITIALIZE_AT_BOOT=n
+
+# POSIX_CLOCK requires an embedded C library while the native USB driver is incompatible with it.
+# So let's disable it. Once USB_NATIVE_POSIX supports embedded C libraries this can be removed.
+CONFIG_POSIX_CLOCK=n
+# DATE_SHELL requires POSIX_CLOCK
+CONFIG_DATE_SHELL=n