diff --git a/build-scripts/I2S-4MFlash-sdkconfig.defaults b/build-scripts/I2S-4MFlash-sdkconfig.defaults
index 411d8400..2cb3ff3d 100644
--- a/build-scripts/I2S-4MFlash-sdkconfig.defaults
+++ b/build-scripts/I2S-4MFlash-sdkconfig.defaults
@@ -25,9 +25,9 @@ CONFIG_SPKFAULT_GPIO_LEVEL=0
 CONFIG_BAT_CHANNEL=-1
 CONFIG_BAT_SCALE="0"
 CONFIG_I2S_NUM=0
-CONFIG_I2S_BCK_IO=33
-CONFIG_I2S_WS_IO=25
-CONFIG_I2S_DO_IO=32
+CONFIG_I2S_BCK_IO=-1
+CONFIG_I2S_WS_IO=-1
+CONFIG_I2S_DO_IO=-1
 CONFIG_I2S_DI_IO=-1
 CONFIG_SPDIF_NUM=0
 CONFIG_SPDIF_BCK_IO=-1