diff --git a/build/macosx/avr-gcc-7.3.0-atmel3.6.1-arduino5-x86_64-apple-darwin14.tar.bz2.sha b/build/macosx/avr-gcc-7.3.0-atmel3.6.1-arduino5-x86_64-apple-darwin14.tar.bz2.sha
deleted file mode 100644
index ede9bf723..000000000
--- a/build/macosx/avr-gcc-7.3.0-atmel3.6.1-arduino5-x86_64-apple-darwin14.tar.bz2.sha
+++ /dev/null
@@ -1 +0,0 @@
-40ced394dff8ec5381b7cf3708b2ab8dea54a1f6
diff --git a/build/macosx/avrdude-6.3.0-arduino17-x86_64-apple-darwin12.tar.bz2.sha b/build/macosx/avrdude-6.3.0-arduino17-x86_64-apple-darwin12.tar.bz2.sha
deleted file mode 100644
index fac5ac8f1..000000000
--- a/build/macosx/avrdude-6.3.0-arduino17-x86_64-apple-darwin12.tar.bz2.sha
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@@ -1 +0,0 @@
-dfb2a2a4d380c7fc0dc8e141555ae6c028786a8e