diff --git a/ports/atmel-samd/boards/samd51x19-bootloader-external-flash-crystalless.ld b/ports/atmel-samd/boards/samd51x19-bootloader-external-flash-crystalless.ld
deleted file mode 100644
index c89e90dfdc..0000000000
--- a/ports/atmel-samd/boards/samd51x19-bootloader-external-flash-crystalless.ld
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
-    GNU linker script for SAMD51x19 (512K flash, 192K RAM)
-*/
-
-/* Specify the memory areas */
-MEMORY
-{
-    /* Leave 16KiB for the bootloader. 8K for user data and 256b for user config.*/
-    FLASH (rx) : ORIGIN = 0x00000000 + 16K, LENGTH = 512K - 16K - 8K - 256
-    RAM (xrw)  : ORIGIN = 0x20000000, LENGTH = 192K
-}
-
-/* top end of the stack */
-/* stack must be double-word (8 byte) aligned */
-_estack = ORIGIN(RAM) + LENGTH(RAM) - 8;
-_bootloader_dbl_tap = ORIGIN(RAM) + LENGTH(RAM) - 4;
-
-/* define output sections */
-SECTIONS
-{
-    /* The program code and other data goes into FLASH */
-    .text :
-    {
-        . = ALIGN(4);
-        _sfixed = .;
-        KEEP(*(.vectors)) /* isr vector table */
-        *(.text)           /* .text sections (code) */
-        *(.text*)          /* .text* sections (code) */
-        *(.rodata)         /* .rodata sections (constants, strings, etc.) */
-        *(.rodata*)        /* .rodata* sections (constants, strings, etc.) */
-
-        . = ALIGN(4);
-    } >FLASH
-
-    .ARM.exidx :
-    {
-        *(.ARM.exidx*)
-        *(.gnu.linkonce.armexidx.*)
-        _etext = .;        /* define a global symbol at end of code */
-        _sidata = .;       /* start of .data section */
-    } > FLASH
-
-    /* This is the initialized data section
-    The program executes knowing that the data is in the RAM
-    but the loader puts the initial values in the FLASH (inidata).
-    It is one task of the startup to copy the initial values from FLASH to RAM. */
-    .data : AT ( _sidata )
-    {
-        . = ALIGN(4);
-        _srelocate = .;        /* create a global symbol at data start; used by startup code in order to initialise the .data section in RAM */
-        *(.ramfunc)
-        *(.ramfunc*)
-        *(.data)           /* .data sections */
-        *(.data*)          /* .data* sections */
-
-        . = ALIGN(4);
-        _erelocate = .;        /* define a global symbol at data end; used by startup code in order to initialise the .data section in RAM */
-    } >RAM
-
-    /* Uninitialized data section */
-    .bss :
-    {
-        . = ALIGN(4);
-        _sbss = .;
-        _szero = .;         /* define a global symbol at bss start; used by startup code */
-        *(.bss)
-        *(.bss*)
-        *(COMMON)
-
-        . = ALIGN(4);
-        _ezero = .;         /* define a global symbol at bss end; used by startup code */
-        _ebss = .;
-    } >RAM
-
-    /* this just checks there is enough RAM for a minimal stack */
-    .stack :
-    {
-        . = ALIGN(4);
-        . = . + 10K; /* Reserve a minimum of 10K for the stack. nvm will temporarily store 8k on the stack when writing. */
-        . = ALIGN(4);
-    } >RAM
-
-    .ARM.attributes 0 : { *(.ARM.attributes) }
-}