diff --git a/components/esp_phy/src/phy_init.c b/components/esp_phy/src/phy_init.c
index dc6cce167c..8ba871652a 100644
--- a/components/esp_phy/src/phy_init.c
+++ b/components/esp_phy/src/phy_init.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -478,6 +478,13 @@ const esp_phy_init_data_t* esp_phy_get_init_data(void)
         assert(memcmp(init_data_store + init_data_store_length - sizeof(phy_init_magic_post),
                       PHY_INIT_MAGIC, sizeof(phy_init_magic_post)) == 0);
 
+        err = esp_partition_erase_range(partition, 0, partition->size);
+        if (err != ESP_OK) {
+            ESP_LOGE(TAG, "failed to erase partition (0x%x)!", err);
+            free(init_data_store);
+            return NULL;
+        }
+
         // write default data
         err = esp_partition_write(partition, 0, init_data_store, init_data_store_length);
         if (err != ESP_OK) {