diff --git a/.gitignore b/.gitignore
index 437a1067f837201d1bc0c1e348abfcadff242b62..ab0950d7ddfbd8aab6172dd089f69fc37b2eaaa3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,4 +24,3 @@ railties/tmp
 .rvmrc
 .rbenv-version
 RDOC_MAIN.rdoc
-.rbx