diff --git a/radio/src/targets/gruvin9x/board_gruvin9x.h b/radio/src/targets/gruvin9x/board_gruvin9x.h
index 0a3aa2ba8..756b7c244 100644
--- a/radio/src/targets/gruvin9x/board_gruvin9x.h
+++ b/radio/src/targets/gruvin9x/board_gruvin9x.h
@@ -82,12 +82,13 @@
 #define JACK_PPM_OUT()           PORTG |= (1<<OUT_G_SIM_CTL)
 #define JACK_PPM_IN()            PORTG &= ~(1<<OUT_G_SIM_CTL)
 
+#define sdDone()
+
 // SD driver
 #if !defined(SIMU)
 bool sdMounted();
 void sdMountPoll();
 void sdPoll10ms();
-#define sdDone()
 
 #define SD_IS_HC()               (0)
 #define SD_GET_BLOCKNR()         (0)