diff --git a/filetypes.xml b/filetypes.xml
index 2d6ebe6..5831326 100644
--- a/filetypes.xml
+++ b/filetypes.xml
@@ -3,7 +3,6 @@
     <extensionMap>
       <mapping pattern="setenv" type="AUTO_DETECTED" />
       <mapping ext="aiko" type="AUTO_DETECTED" />
-      <mapping pattern=".rvmrc" type="PLAIN_TEXT" />
       <mapping pattern="gemfile.lock" type="PLAIN_TEXT" />
       <mapping ext="plist" type="PLAIN_TEXT" />
       <removed_mapping ext="bat" approved="true" type="PLAIN_TEXT" />