diff --git a/cpu/esp_common/include/esp_common.h b/cpu/esp_common/include/esp_common.h
index 1a855ea729..9fe9d645f7 100644
--- a/cpu/esp_common/include/esp_common.h
+++ b/cpu/esp_common/include/esp_common.h
@@ -28,15 +28,10 @@ extern "C" {
 
 #include "log.h"
 #include "esp_common_log.h"
+#include "macros/xtstr.h"
 
 #define asm __asm__
 
-/** string representation of x */
-#ifndef XTSTR
-#define _XTSTR(x)    # x
-#define XTSTR(x)    _XTSTR(x)
-#endif /* XSTR */
-
 #if !defined(ICACHE_FLASH)
 #ifndef ICACHE_RAM_ATTR
 /** Places the code with this attribute in the IRAM. */