diff --git a/builder/frameworks/arduino.py b/builder/frameworks/arduino.py
index 40a7965..5952afb 100644
--- a/builder/frameworks/arduino.py
+++ b/builder/frameworks/arduino.py
@@ -344,7 +344,8 @@
 
 libs.append(env.BuildLibrary(
     join("$BUILD_DIR", "FrameworkArduino"),
-    join(FRAMEWORK_DIR, "cores", BUILD_CORE)
+    join(FRAMEWORK_DIR, "cores", BUILD_CORE),
+    src_filter="+<*> -<Blink.cc>"
 ))
 
 env.Prepend(LIBS=libs)