diff --git a/src/matrix/net/HomeServerApi.js b/src/matrix/net/HomeServerApi.js
index 81da33d1..1f2acab4 100644
--- a/src/matrix/net/HomeServerApi.js
+++ b/src/matrix/net/HomeServerApi.js
@@ -220,6 +220,10 @@ export class HomeServerApi {
     roomKeyForRoomAndSession(version, roomId, sessionId, options = null) {
         return this._get(`/room_keys/keys/${encodeURIComponent(roomId)}/${encodeURIComponent(sessionId)}`, {version}, null, options);
     }
+
+    uploadAttachment(blob, filename, options = null) {
+        return this._post("/upload", {filename}, blob, options);
+    }
 }
 
 export function tests() {
diff --git a/src/matrix/net/MediaRepository.js b/src/matrix/net/MediaRepository.js
index 8ab37a87..2e7ec438 100644
--- a/src/matrix/net/MediaRepository.js
+++ b/src/matrix/net/MediaRepository.js
@@ -72,11 +72,4 @@ export class MediaRepository {
             return this.downloadPlaintextFile(content.url, content.info?.mimetype, cache);
         }
     }
-
-    async upload(bufferHandle, filename) {
-        const url = `${this._homeServer}/_matrix/media/r0/upload?filename=${encodeURIComponent(filename)}`;
-        // TODO: body doesn't take a bufferHandle currently
-        const {content_uri} = await this._platform.request(url, {method: "POST", body: bufferHandle}).response();
-        return content_uri;
-    }
 }