diff --git a/arch/arm/src/efm32/efm32_config.h b/arch/arm/src/efm32/efm32_config.h
index 0af2321b34..5e5727ecef 100644
--- a/arch/arm/src/efm32/efm32_config.h
+++ b/arch/arm/src/efm32/efm32_config.h
@@ -160,7 +160,9 @@
 #  undef CONFIG_LEUART0_SERIAL_CONSOLE
 #  define HAVE_LEUART_CONSOLE 1
 #else
-#  warning "No valid CONFIG_U[S]ART[n]_SERIAL_CONSOLE Setting"
+#  ifdef CONFIG_DEV_CONSOLE
+#    warning "No valid CONFIG_U[S]ART[n]_SERIAL_CONSOLE Setting"
+#  endif
 #  undef CONFIG_USART0_SERIAL_CONSOLE
 #  undef CONFIG_USART1_SERIAL_CONSOLE
 #  undef CONFIG_USART2_SERIAL_CONSOLE