diff --git a/package.json b/package.json
index bd8226ca56e..eefe2cbbe53 100644
--- a/package.json
+++ b/package.json
@@ -183,7 +183,6 @@
     "remarkable": "^1.7.1",
     "rst2html": "github:thoward/rst2html#990cb89",
     "rxjs": "^6.3.3",
-    "rxjs-compat": "^6.3.3",
     "slate": "^0.33.4",
     "slate-plain-serializer": "^0.5.10",
     "slate-prism": "^0.5.0",