diff --git a/libraries/AP_HAL/AP_HAL_Boards.h b/libraries/AP_HAL/AP_HAL_Boards.h
index c568176e40..ff8f306310 100644
--- a/libraries/AP_HAL/AP_HAL_Boards.h
+++ b/libraries/AP_HAL/AP_HAL_Boards.h
@@ -10,7 +10,6 @@
 #define HAL_BOARD_SITL     3
 #define HAL_BOARD_SMACCM   4 // unused
 #define HAL_BOARD_PX4      5
-#define HAL_BOARD_FLYMAPLE 6
 #define HAL_BOARD_LINUX    7
 #define HAL_BOARD_VRBRAIN  8
 #define HAL_BOARD_QURT     9
@@ -57,7 +56,6 @@
 #define HAL_INS_MPU60XX_I2C 3
 #define HAL_INS_HIL     4
 #define HAL_INS_PX4     5
-#define HAL_INS_FLYMAPLE 6
 #define HAL_INS_L3G4200D 7
 #define HAL_INS_VRBRAIN  8
 #define HAL_INS_MPU9250_SPI  9
@@ -108,7 +106,6 @@
    Note that these are only approximate, not exact CPU speeds.
  */
 #define HAL_CPU_CLASS_16   1   // DEPRECATED: 16Mhz, AVR2560 or similar
-#define HAL_CPU_CLASS_75   2   // 75Mhz, Flymaple or similar
 #define HAL_CPU_CLASS_150  3   // 150Mhz, PX4 or similar, assumes
                                // hardware floating point. Assumes tens
                                // of kilobytes of memory available
@@ -144,26 +141,6 @@
 #define HAL_GPIO_LED_ON           LOW
 #define HAL_GPIO_LED_OFF          HIGH
 
-#elif CONFIG_HAL_BOARD == HAL_BOARD_FLYMAPLE
-#define HAL_BOARD_NAME "FLYMAPLE"
-#define HAL_CPU_CLASS HAL_CPU_CLASS_75
-#define HAL_STORAGE_SIZE            4096
-#define HAL_STORAGE_SIZE_AVAILABLE  HAL_STORAGE_SIZE
-#define HAL_INS_DEFAULT HAL_INS_FLYMAPLE
-#define HAL_BARO_DEFAULT HAL_BARO_BMP085
-#define HAL_BARO_BMP085_BUS 1
-#define HAL_BARO_BMP085_I2C_ADDR 0x77
-#define HAL_COMPASS_DEFAULT HAL_COMPASS_HMC5843
-#define HAL_COMPASS_HMC5843_I2C_BUS 1
-#define HAL_COMPASS_HMC5843_I2C_ADDR 0x1E
-#define HAL_SERIAL0_BAUD_DEFAULT 115200
-#define CONFIG_HAL_BOARD_SUBTYPE HAL_BOARD_SUBTYPE_NONE
-#define HAL_GPIO_A_LED_PIN        13
-#define HAL_GPIO_B_LED_PIN        13
-#define HAL_GPIO_C_LED_PIN        13
-#define HAL_GPIO_LED_ON           LOW
-#define HAL_GPIO_LED_OFF          HIGH
-
 #elif CONFIG_HAL_BOARD == HAL_BOARD_PX4
 #define HAL_BOARD_NAME "PX4"
 #define HAL_CPU_CLASS HAL_CPU_CLASS_150
diff --git a/libraries/AP_HAL/AP_HAL_Main.h b/libraries/AP_HAL/AP_HAL_Main.h
index f01e42a521..e26045a1c3 100644
--- a/libraries/AP_HAL/AP_HAL_Main.h
+++ b/libraries/AP_HAL/AP_HAL_Main.h
@@ -2,11 +2,7 @@
 
 #include "HAL.h"
 
-#if CONFIG_HAL_BOARD == HAL_BOARD_FLYMAPLE
-#define CONFIG_MAIN_WITHOUT_ARGC_ARGV 1
-#else
 #define CONFIG_MAIN_WITHOUT_ARGC_ARGV 0
-#endif
 
 #if CONFIG_HAL_BOARD == HAL_BOARD_PX4 || CONFIG_HAL_BOARD == HAL_BOARD_VRBRAIN
 #define AP_MAIN __EXPORT ArduPilot_main