diff --git a/include/Macro.h b/include/Macro.h
index 19651b91..bf1fe7ce 100644
--- a/include/Macro.h
+++ b/include/Macro.h
@@ -4,4 +4,6 @@
 //
 //#ifdef esp32_4mb
 //#pragma message STR(esp32_4mb)
-//#endif
\ No newline at end of file
+//#endif
+
+//Serial.println(STR(esp32_4mb));
\ No newline at end of file
diff --git a/platformio.ini b/platformio.ini
index d61bb3a2..a74a9eca 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -11,7 +11,7 @@
 ;Please use one of definition:
 ;esp8266_1mb , esp8266_4mb , esp32_4mb
 [platformio]
-default_envs = esp32_4mb
+default_envs = esp8266_4mb
 
 
 
@@ -32,7 +32,7 @@ lib_deps_internal =
 
 
 [env:esp8266_4mb]
-build_flags = -Desp8266_1mb="esp8266_4mb"
+build_flags = -Desp8266_4mb="esp8266_4mb"
 framework = arduino
 board = nodemcuv2
 board_build.ldscript = eagle.flash.4m1m.ld
diff --git a/src/Tests.cpp b/src/Tests.cpp
index 1e6c305e..6b1d9cad 100644
--- a/src/Tests.cpp
+++ b/src/Tests.cpp
@@ -5,15 +5,6 @@
 
 void testsPerform() {
     Serial.println("====some tests section====");
-
-    #ifdef esp32_4mb
-    Serial.println("esp32_4mb defined");
-    #endif
-    #ifdef esp8266_1mb
-    Serial.println("esp32_4mb defined");
-    #endif
-
-    //Serial.println(STR(esp32_4mb));
-
+    
     Serial.println("==========end============");
 }
\ No newline at end of file