diff --git a/esphome/components/esp8266/core.h b/esphome/components/esp8266/core.h
index 8df9e26d55..d820683f23 100644
--- a/esphome/components/esp8266/core.h
+++ b/esphome/components/esp8266/core.h
@@ -5,8 +5,8 @@
 #include <cstdint>
 #include "esphome/core/hal.h"
 
-extern const uint8_t ESPHOME_ESP8266_GPIO_INITIAL_MODE[16] PROGMEM;
-extern const uint8_t ESPHOME_ESP8266_GPIO_INITIAL_LEVEL[16] PROGMEM;
+extern const uint8_t ESPHOME_ESP8266_GPIO_INITIAL_MODE[16];
+extern const uint8_t ESPHOME_ESP8266_GPIO_INITIAL_LEVEL[16];
 
 namespace esphome {
 namespace esp8266 {}  // namespace esp8266