diff --git a/package.json b/package.json
index f259313b6..ce706d2e6 100644
--- a/package.json
+++ b/package.json
@@ -104,7 +104,6 @@
     "whitespace": "0.14.0",
     "wrap-guide": "0.14.0",
     "language-c": "0.10.0",
-    "language-clojure": "0.2.0",
     "language-coffee-script": "0.10.0",
     "language-css": "0.8.0",
     "language-gfm": "0.17.0",
@@ -117,9 +116,7 @@
     "language-json": "0.7.0",
     "language-less": "0.4.0",
     "language-make": "0.6.0",
-    "language-mustache": "0.3.0",
     "language-objective-c": "0.8.0",
-    "language-pegjs": "0.3.0",
     "language-perl": "0.7.0",
     "language-php": "0.7.0",
     "language-property-list": "0.6.0",