diff --git a/src/cli2/merge.js b/src/cli2/merge.js
deleted file mode 100644
index e35e5b0..0000000
--- a/src/cli2/merge.js
+++ /dev/null
@@ -1,53 +0,0 @@
-// @flow
-
-import fs from "fs-extra";
-import stringify from "json-stable-stringify";
-import {join as pathJoin} from "path";
-
-import {LoggingTaskReporter} from "../util/taskReporter";
-import type {Command} from "./command";
-import {makePluginDir, loadInstanceConfig} from "./common";
-import {
-  toJSON as weightedGraphToJSON,
-  fromJSON as weightedGraphFromJSON,
-  type WeightedGraph,
-  merge,
-} from "../core/weightedGraph";
-
-function die(std, message) {
-  std.err("fatal: " + message);
-  return 1;
-}
-
-const mergeCommand: Command = async (args, std) => {
-  if (args.length !== 0) {
-    return die(std, "usage: sourcecred merge");
-  }
-  const taskReporter = new LoggingTaskReporter();
-  taskReporter.start("merge");
-  const baseDir = process.cwd();
-  const config = await loadInstanceConfig(baseDir);
-  const graphOutputPrefix = ["output", "graphs"];
-
-  async function loadGraph(pluginName): Promise<WeightedGraph> {
-    const outputDir = makePluginDir(baseDir, graphOutputPrefix, pluginName);
-    const outputPath = pathJoin(outputDir, "graph.json");
-    const graphJSON = JSON.parse(await fs.readFile(outputPath));
-    return weightedGraphFromJSON(graphJSON);
-  }
-
-  const pluginNames = Array.from(config.bundledPlugins.keys());
-  const graphs = await Promise.all(pluginNames.map(loadGraph));
-
-  // TODO: Support identity merging.
-  // TODO: Support weight overrides.
-  const combinedGraph = merge(graphs);
-
-  const outputPath = pathJoin(baseDir, "output", "graph.json");
-  const serializedGraph = stringify(weightedGraphToJSON(combinedGraph));
-  await fs.writeFile(outputPath, serializedGraph);
-  taskReporter.finish("merge");
-  return 0;
-};
-
-export default mergeCommand;
diff --git a/src/cli2/score.js b/src/cli2/score.js
index a0fee82..daddd81 100644
--- a/src/cli2/score.js
+++ b/src/cli2/score.js
@@ -5,9 +5,10 @@ import stringify from "json-stable-stringify";
 import {join as pathJoin} from "path";
 
 import type {Command} from "./command";
-import {loadInstanceConfig} from "./common";
+import {makePluginDir, loadInstanceConfig} from "./common";
 import {fromJSON as weightedGraphFromJSON} from "../core/weightedGraph";
 import {defaultParams} from "../analysis/timeline/params";
+import {type WeightedGraph, merge} from "../core/weightedGraph";
 import {LoggingTaskReporter} from "../util/taskReporter";
 import {
   compute,
@@ -34,9 +35,17 @@ const scoreCommand: Command = async (args, std) => {
   const baseDir = process.cwd();
   const config = await loadInstanceConfig(baseDir);
 
-  const graphFilePath = pathJoin(baseDir, "output", "graph.json");
-  const graphJSON = JSON.parse(await fs.readFile(graphFilePath));
-  const graph = weightedGraphFromJSON(graphJSON);
+  const graphOutputPrefix = ["output", "graphs"];
+  async function loadGraph(pluginName): Promise<WeightedGraph> {
+    const outputDir = makePluginDir(baseDir, graphOutputPrefix, pluginName);
+    const outputPath = pathJoin(outputDir, "graph.json");
+    const graphJSON = JSON.parse(await fs.readFile(outputPath));
+    return weightedGraphFromJSON(graphJSON);
+  }
+
+  const pluginNames = Array.from(config.bundledPlugins.keys());
+  const graphs = await Promise.all(pluginNames.map(loadGraph));
+  const combinedGraph = merge(graphs);
 
   const plugins = Array.from(config.bundledPlugins.values());
   const declarations = plugins.map((x) => x.declaration());
@@ -44,7 +53,7 @@ const scoreCommand: Command = async (args, std) => {
   // TODO: Support loading params from config.
   const params = defaultParams();
 
-  const credResult = await compute(graph, params, declarations);
+  const credResult = await compute(combinedGraph, params, declarations);
   const compressed = compressByThreshold(credResult, CRED_THRESHOLD);
   const credJSON = stringify(credResultToJSON(compressed));
   const outputPath = pathJoin(baseDir, "output", "credResult.json");
diff --git a/src/cli2/sourcecred.js b/src/cli2/sourcecred.js
index b5a5d3f..6b41e35 100644
--- a/src/cli2/sourcecred.js
+++ b/src/cli2/sourcecred.js
@@ -4,7 +4,6 @@ import type {Command} from "./command";
 
 import load from "./load";
 import graph from "./graph";
-import merge from "./merge";
 import score from "./score";
 
 const sourcecred: Command = async (args, std) => {
@@ -17,8 +16,6 @@ const sourcecred: Command = async (args, std) => {
       return load(args.slice(1), std);
     case "graph":
       return graph(args.slice(1), std);
-    case "merge":
-      return merge(args.slice(1), std);
     case "score":
       return score(args.slice(1), std);
     default: