diff --git a/extmod/moduplatform.h b/extmod/moduplatform.h
index 2b9ad3ae49..d911d33ddd 100644
--- a/extmod/moduplatform.h
+++ b/extmod/moduplatform.h
@@ -41,7 +41,7 @@
 #define MICROPY_PLATFORM_ARCH   "x86_64"
 #elif defined(__i386__) || defined(_M_IX86)
 #define MICROPY_PLATFORM_ARCH   "x86"
-#elif defined(__xtensa__) || defined(_M_IX86)
+#elif defined(__xtensa__)
 #define MICROPY_PLATFORM_ARCH   "xtensa"
 #else
 #define MICROPY_PLATFORM_ARCH   ""