diff --git a/cpu/cortexm_common/ldscripts/cortexm_base.ld b/cpu/cortexm_common/ldscripts/cortexm_base.ld
index 4a6d3f762b..6dc5e0428f 100644
--- a/cpu/cortexm_common/ldscripts/cortexm_base.ld
+++ b/cpu/cortexm_common/ldscripts/cortexm_base.ld
@@ -212,10 +212,6 @@ SECTIONS
     _sram = ORIGIN(ram);
     _eram = ORIGIN(ram) + LENGTH(ram);
 
-    /* Populate information about rom size */
-    _srom = ORIGIN(rom);
-    _erom = ORIGIN(rom) + LENGTH(rom);
-
     _sbackup_data_load = LOADADDR(.backup.data);
     .backup.data :  ALIGN(4) {
         _sbackup_data = .;
@@ -241,8 +237,4 @@ SECTIONS
     .flash_writable (NOLOAD) : {
         KEEP(*(SORT(.flash_writable.*)))
     } > rom
-
-    .end_fw (NOLOAD) : ALIGN(4) {
-        _end_fw = . ;
-    } > rom
 }
diff --git a/cpu/cortexm_common/periph/flashpage.c b/cpu/cortexm_common/periph/flashpage.c
deleted file mode 100644
index ff77a6e8f4..0000000000
--- a/cpu/cortexm_common/periph/flashpage.c
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (C) 2021 Freie Universität Berlin
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
- */
-
-/**
- * @ingroup     cpu_cortexm_common
- * @ingroup     drivers_periph_flashpage
- * @{
- * @file
- * @brief       common periph/flashpage functions
- *
- * @author  Nils Ollrogge <nils.ollrogge@fu-berlin.de>
- * @}
- */
-
-#include "periph/flashpage.h"
-
-/**
- * @brief   Memory markers, defined in the linker script
- * @{
- */
-extern uint32_t _end_fw;
-extern uint32_t _erom;
-
-unsigned flashpage_first_free(void)
-{
-    return flashpage_page(&_end_fw) + 1;
-}
-
-unsigned flashpage_last_free(void)
-{
-    return flashpage_page(&_erom) - 1;
-}