diff --git a/src/doc/rustc-dev-guide/.gitattributes b/src/doc/rustc-dev-guide/.gitattributes
index fd394480f15c..ba72ee959223 100644
--- a/src/doc/rustc-dev-guide/.gitattributes
+++ b/src/doc/rustc-dev-guide/.gitattributes
@@ -1,6 +1,9 @@
 # Set the default behavior, in case people don't have core.autocrlf set.
 * text=auto eol=lf
 
+# git grep shouldn't match entries in huge minified javascript
+*.min.js binary
+
 # Older git versions try to fix line endings on images, this prevents it.
 *.png binary
 *.jpg binary