diff --git a/components/esp_rom/patches/esp_rom_cache_writeback_esp32c5_esp32c61_esp32h4.c b/components/esp_rom/patches/esp_rom_cache_writeback_esp32c5_esp32c61_esp32h4.c
index 7c87535edb3..3c6051ae1c7 100644
--- a/components/esp_rom/patches/esp_rom_cache_writeback_esp32c5_esp32c61_esp32h4.c
+++ b/components/esp_rom/patches/esp_rom_cache_writeback_esp32c5_esp32c61_esp32h4.c
@@ -31,6 +31,7 @@ int Cache_WriteBack_Addr(uint32_t addr, uint32_t size)
     return 0;
 }
 
+#ifndef BOOTLOADER_BUILD
 void Cache_WriteBack_All(void)
 {
     REG_WRITE(CACHE_SYNC_MAP_REG, CACHE_MAP_FLASH_CACHE);
@@ -42,6 +43,7 @@ void Cache_WriteBack_All(void)
     REG_WRITE(CACHE_SYNC_CTRL_REG, CACHE_WRITEBACK_ENA);
     while (!REG_GET_BIT(CACHE_SYNC_CTRL_REG, CACHE_SYNC_DONE));
 }
+#endif
 
 int Cache_WriteBack_Invalidate_Addr(uint32_t addr, uint32_t size)
 {
diff --git a/components/esp_rom/patches/esp_rom_cache_writeback_esp32p4_esp32s31.c b/components/esp_rom/patches/esp_rom_cache_writeback_esp32p4_esp32s31.c
index 702ad6da01f..4eb4d220451 100644
--- a/components/esp_rom/patches/esp_rom_cache_writeback_esp32p4_esp32s31.c
+++ b/components/esp_rom/patches/esp_rom_cache_writeback_esp32p4_esp32s31.c
@@ -52,6 +52,7 @@ int Cache_WriteBack_Addr(uint32_t map, uint32_t addr, uint32_t size)
     return 0;
 }
 
+#ifndef BOOTLOADER_BUILD
 int Cache_WriteBack_All(uint32_t map)
 {
     /* writeback readonly cache is invalid */
@@ -74,6 +75,7 @@ int Cache_WriteBack_All(uint32_t map)
 
     return 0;
 }
+#endif
 
 int Cache_WriteBack_Invalidate_Addr(uint32_t map, uint32_t addr, uint32_t size)
 {