diff --git a/package.json b/package.json
index 965dcc2474..762a267578 100644
--- a/package.json
+++ b/package.json
@@ -73,7 +73,6 @@
     "dependencies": {
         "@matrix-org/olm": "3.2.15",
         "@matrix-org/react-sdk-module-api": "^2.3.0",
-        "gfm.css": "^1.1.2",
         "jsrsasign": "^11.0.0",
         "katex": "^0.16.0",
         "lodash": "^4.17.21",
diff --git a/src/vector/index.ts b/src/vector/index.ts
index e21fa5860a..f26d56243b 100644
--- a/src/vector/index.ts
+++ b/src/vector/index.ts
@@ -31,7 +31,6 @@ import "setimmediate";
 // Require common CSS here; this will make webpack process it into bundle.css.
 // Our own CSS (which is themed) is imported via separate webpack entry points
 // in webpack.config.js
-require("gfm.css/gfm.css");
 require("katex/dist/katex.css");
 
 /**