diff --git a/package.json b/package.json
index a2efaf66..1f86e5ee 100644
--- a/package.json
+++ b/package.json
@@ -119,18 +119,6 @@
     "preliminaries-parser-toml": "1.1.0",
     "preliminaries-parser-yaml": "1.1.0",
     "prismjs": "^1.5.1",
-    "prosemirror-commands": "^0.17.0",
-    "prosemirror-history": "^0.17.0",
-    "prosemirror-inputrules": "^0.17.0",
-    "prosemirror-keymap": "^0.17.0",
-    "prosemirror-markdown": "^0.17.0",
-    "prosemirror-model": "^0.17.0",
-    "prosemirror-schema-basic": "^0.17.0",
-    "prosemirror-schema-list": "^0.17.0",
-    "prosemirror-schema-table": "^0.17.0",
-    "prosemirror-state": "^0.17.0",
-    "prosemirror-transform": "^0.17.0",
-    "prosemirror-view": "^0.17.0",
     "react": "^15.1.0",
     "react-addons-css-transition-group": "^15.3.1",
     "react-autosuggest": "^7.0.1",