diff --git a/src/tools/loadCombinedGraph.js b/src/tools/loadCombinedGraph.js
deleted file mode 100644
index cde4f66..0000000
--- a/src/tools/loadCombinedGraph.js
+++ /dev/null
@@ -1,35 +0,0 @@
-// @flow
-
-import cloneGitGraph from "../plugins/git/cloneGitGraph";
-import fetchGithubGraph from "../plugins/github/fetchGithubGraph";
-import type {
-  NodePayload as GithubNodePayload,
-  EdgePayload as GithubEdgePayload,
-} from "../plugins/github/types";
-import type {
-  NodePayload as GitNodePayload,
-  EdgePayload as GitEdgePayload,
-} from "../plugins/git/types";
-import {Graph} from "../core/graph";
-
-export type NodePayload = GitNodePayload | GithubNodePayload;
-export type EdgePayload = GitEdgePayload | GithubEdgePayload;
-/**
- * Load a cross-plugin contribution graph for the given GitHub repo
- *
- * @param {String} repoOwner
- *   the GitHub username of the owner of the repository to be cloned
- * @param {String} repoName
- *   the name of the repository to be cloned
- * @return {Promise<Graph>}
- *   a Promise containing the combined contribution graph
- */
-export function loadCombinedGraph(
-  repoOwner: string,
-  repoName: string,
-  token: string
-): Promise<Graph> {
-  const githubGraphPromise = fetchGithubGraph(repoOwner, repoName, token);
-  const gitGraph = cloneGitGraph(repoOwner, repoName);
-  return githubGraphPromise.then((x) => Graph.mergeConservative([gitGraph, x]));
-}