diff --git a/src/rp2_common/pico_bootrom/include/pico/bootrom.h b/src/rp2_common/pico_bootrom/include/pico/bootrom.h
index 4494ae1..e6a2560 100644
--- a/src/rp2_common/pico_bootrom/include/pico/bootrom.h
+++ b/src/rp2_common/pico_bootrom/include/pico/bootrom.h
@@ -1010,17 +1010,6 @@
     return func(callback_num, funcptr);
 }
 
-#define BOOT_TYPE_NORMAL     0
-#define BOOT_TYPE_BOOTSEL    2
-#define BOOT_TYPE_RAM_IMAGE  3
-#define BOOT_TYPE_FLASH_UPDATE 4
-
-// values 8-15 are secure only
-#define BOOT_TYPE_PC_SP      0xd
-
-// ORed in if a bootloader chained into the image
-#define BOOT_TYPE_CHAINED_FLAG 0x80
-
 /*!
  * \brief Get system information
  * \ingroup pico_bootrom