diff --git a/packages/metro-bundler/src/JSTransformer/__tests__/Transformer-test.js b/packages/metro-bundler/src/JSTransformer/__tests__/Transformer-test.js
index 11f5c258..c093f32d 100644
--- a/packages/metro-bundler/src/JSTransformer/__tests__/Transformer-test.js
+++ b/packages/metro-bundler/src/JSTransformer/__tests__/Transformer-test.js
@@ -18,7 +18,6 @@ jest
 
 const Transformer = require('../');
 
-const {any} = jasmine;
 const {Readable} = require('stream');
 
 describe('Transformer', function() {
diff --git a/packages/metro-bundler/src/ModuleGraph/worker/__tests__/wrap-worker-fn-test.js b/packages/metro-bundler/src/ModuleGraph/worker/__tests__/wrap-worker-fn-test.js
index ebb10ec9..e1b532ae 100644
--- a/packages/metro-bundler/src/ModuleGraph/worker/__tests__/wrap-worker-fn-test.js
+++ b/packages/metro-bundler/src/ModuleGraph/worker/__tests__/wrap-worker-fn-test.js
@@ -19,8 +19,6 @@ const wrapWorkerFn = require('../wrap-worker-fn');
 const {dirname} = require('path');
 const {fn} = require('../../test-helpers');
 
-const {any} = jasmine;
-
 describe('wrapWorkerFn:', () => {
   const infile = '/arbitrary/in/file';
   const outfile = '/arbitrary/in/file';
diff --git a/packages/metro-bundler/src/Resolver/__tests__/Resolver-test.js b/packages/metro-bundler/src/Resolver/__tests__/Resolver-test.js
index 80b7d272..88639be0 100644
--- a/packages/metro-bundler/src/Resolver/__tests__/Resolver-test.js
+++ b/packages/metro-bundler/src/Resolver/__tests__/Resolver-test.js
@@ -16,7 +16,6 @@ jest.useRealTimers();
 
 jest.mock('path');
 
-const {join: pathJoin} = require.requireActual('path');
 const DependencyGraph = jest.fn();
 jest.setMock('../../node-haste/DependencyGraph', DependencyGraph);
 let Module;
diff --git a/packages/metro-bundler/src/Resolver/index.js b/packages/metro-bundler/src/Resolver/index.js
index d27227c3..204863ba 100644
--- a/packages/metro-bundler/src/Resolver/index.js
+++ b/packages/metro-bundler/src/Resolver/index.js
@@ -24,9 +24,8 @@ const {
 const pathJoin = require('path').join;
 
 import type Module, {HasteImpl, TransformCode} from '../node-haste/Module';
-import type {MappingsMap, CompactRawMappings} from '../lib/SourceMap';
+import type {CompactRawMappings} from '../lib/SourceMap';
 import type {PostMinifyProcess} from '../Bundler';
-import type {Options as JSTransformerOptions} from '../JSTransformer/worker';
 import type {Reporter} from '../lib/reporting';
 import type {
   TransformCache,
@@ -36,8 +35,6 @@ import type {GlobalTransformCache} from '../lib/GlobalTransformCache';
 
 import typeof {minify as MinifyCode} from '../JSTransformer/worker';
 
-type ContainsTransformerOptions = {+transformer: JSTransformerOptions};
-
 type Options = {|
   +assetExts: Array<string>,
   +assetRegistryPath: string,
diff --git a/packages/metro-bundler/src/Server/index.js b/packages/metro-bundler/src/Server/index.js
index 1f48bbd5..e42cec8a 100644
--- a/packages/metro-bundler/src/Server/index.js
+++ b/packages/metro-bundler/src/Server/index.js
@@ -23,7 +23,6 @@ const formatBundlingError = require('../lib/formatBundlingError');
 const getMaxWorkers = require('../lib/getMaxWorkers');
 const getOrderedDependencyPaths = require('../lib/getOrderedDependencyPaths');
 const mime = require('mime-types');
-const nullthrows = require('fbjs/lib/nullthrows');
 const parsePlatformFilePath = require('../node-haste/lib/parsePlatformFilePath');
 const path = require('path');
 const symbolicate = require('./symbolicate');
diff --git a/packages/metro-bundler/src/node-haste/Module.js b/packages/metro-bundler/src/node-haste/Module.js
index 54032547..22204b1f 100644
--- a/packages/metro-bundler/src/node-haste/Module.js
+++ b/packages/metro-bundler/src/node-haste/Module.js
@@ -21,7 +21,6 @@ const jsonStableStringify = require('json-stable-stringify');
 
 const {join: joinPath, relative: relativePath, extname} = require('path');
 
-import type {RawMapping} from '../Bundler/source-map';
 import type {
   TransformedCode,
   Options as WorkerOptions,