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deleted file mode 100644
index 8be58418b..000000000
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new file mode 100644
index 000000000..71247b215
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deleted file mode 100644
index 8a208695b..000000000
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new file mode 100644
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diff --git a/build/arduino-builder-macosx-1.0.0-beta16.tar.bz2.sha b/build/arduino-builder-macosx-1.0.0-beta16.tar.bz2.sha
deleted file mode 100644
index fdf05bbb5..000000000
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new file mode 100644
index 000000000..d7cabb3fe
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diff --git a/build/arduino-builder-windows-1.0.0-beta16.zip.sha b/build/arduino-builder-windows-1.0.0-beta16.zip.sha
deleted file mode 100644
index efd318737..000000000
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diff --git a/build/arduino-builder-windows-1.0.0-beta17.zip.sha b/build/arduino-builder-windows-1.0.0-beta17.zip.sha
new file mode 100644
index 000000000..4f7aa1fc5
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diff --git a/build/build.xml b/build/build.xml
index 03045751e..b9233e6ce 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -71,7 +71,7 @@
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