diff --git a/keyboards/whitefox/mcuconf.h b/keyboards/whitefox/mcuconf.h
index 68c29cf6..28f3c6cd 100644
--- a/keyboards/whitefox/mcuconf.h
+++ b/keyboards/whitefox/mcuconf.h
@@ -29,21 +29,10 @@
 
 /* PEE mode - 48MHz system clock driven by external crystal. */
 #define KINETIS_MCG_MODE            KINETIS_MCG_MODE_PEE
-#define KINETIS_PLLCLK_FREQUENCY    96000000UL
-#define KINETIS_SYSCLK_FREQUENCY    48000000UL
-
-#if 0
-/* FEI mode - 48 MHz with internal 32.768 kHz crystal */
-#define KINETIS_MCG_MODE            KINETIS_MCG_MODE_FEI
-#define KINETIS_MCG_FLL_DMX32       1           /* Fine-tune for 32.768 kHz */
-#define KINETIS_MCG_FLL_DRS         1           /* 1464x FLL factor */
-#define KINETIS_SYSCLK_FREQUENCY    47972352UL  /* 32.768 kHz * 1464 (~48 MHz) */
-#define KINETIS_CLKDIV1_OUTDIV1     1
-#define KINETIS_CLKDIV1_OUTDIV2     1
-#define KINETIS_CLKDIV1_OUTDIV4     2
-#define KINETIS_BUSCLK_FREQUENCY    KINETIS_SYSCLK_FREQUENCY
-#define KINETIS_FLASHCLK_FREQUENCY  KINETIS_SYSCLK_FREQUENCY/2
-#endif
+#define KINETIS_PLLCLK_FREQUENCY    72000000UL
+#define KINETIS_SYSCLK_FREQUENCY    72000000UL
+#define KINETIS_BUSCLK_FREQUENCY    36000000UL
+#define KINETIS_FLASHCLK_FREQUENCY  24000000UL
 
 /*
  * SERIAL driver system settings.