diff --git a/_config.yml b/_config.yml
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index 00000000..36ae959a
--- /dev/null
+++ b/_config.yml
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+# jekyll configuration for github pages
+
+# ignore stuff not part of the website
+# (especially ignore things that contain executables that generate a warning on every build)
+exclude: [ "vc", "src", "output", "pipelines", "m4", "gfceu", "getSDLKey", "fceux-server", "attic" ]