diff --git a/filetypes.xml b/filetypes.xml
index 2e2ab74..291d081 100644
--- a/filetypes.xml
+++ b/filetypes.xml
@@ -5,7 +5,6 @@
       <mapping ext="stl" type="PLAIN_TEXT" />
       <mapping ext="obj" type="PLAIN_TEXT" />
       <mapping ext="mtl" type="PLAIN_TEXT" />
-      <mapping pattern="pubspec.lock" type="YAML" />
       <removed_mapping ext="apk" approved="true" type="ARCHIVE" />
       <removed_mapping ext="db" approved="true" type="SQLite" />
       <removed_mapping ext="ignore" approved="true" type="IgnoreLang file" />