diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000000..07f55e519e
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,3 @@
+*.sig linguist-language=none
+*.pac linguist-language=none
+testing/btest/Baseline/** linguist-language=none