diff --git a/grammars.yml b/grammars.yml
index 5288597d..9cd40188 100644
--- a/grammars.yml
+++ b/grammars.yml
@@ -63,8 +63,6 @@ https://github.com/alkemist/gradle.tmbundle:
 - source.groovy.gradle
 https://github.com/ambethia/Sublime-Loom:
 - source.loomscript
-https://github.com/andik/IDL-Syntax:
-- source.webidl
 https://github.com/angryant0007/VBDotNetSyntax:
 - source.vbnet
 https://github.com/anunayk/cool-tmbundle:
diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index bddc4568..8db980d8 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -3057,7 +3057,7 @@ WebIDL:
   type: programming
   extensions:
   - .webidl
-  tm_scope: source.webidl
+  tm_scope: none
   ace_mode: text
 
 XC: