diff --git a/library.properties b/library.properties
index c890c5f1..5fe63b00 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=Embedded Template Library
-version=10.3.2
+version=10.3.3
 author= John Wellbelove <john.wellbelove@etlcpp.com>
 maintainer=John Wellbelove <john.wellbelove@etlcpp.com>
 sentence=A C++ template library tailored for embedded systems.
diff --git a/src/etl_arduino.h b/src/etl_arduino.h
deleted file mode 100644
index 7efdae0c..00000000
--- a/src/etl_arduino.h
+++ /dev/null
@@ -1,8 +0,0 @@
-
-
-#ifndef __ETL_PLATFORM_ARDUINO__
-
-#define COMPILER_GCC
-#define PLATFORM_ARM
-
-#endif