diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 85920324..fba61cd4 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -549,7 +549,6 @@ DIGITAL Command Language:
   type: programming
   lexer: Text only
   search_term: dcl
-  group: OpenVMS
   aliases:
   - dcl
   extensions:
@@ -1480,7 +1479,6 @@ Module Management System:
   type: programming
   lexer: Text only
   search_term: mms
-  group: OpenVMS
   extensions:
   - .mms
   - .mmk