3 files changed, 5 insertions, 8 deletions
diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index 5d2f290ac..d3351e6cf 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -11,8 +11,7 @@
         "test": "test"
     },
     "scripts": {
-        "watch_without_deps": "yarn pre_build && tsc -w",
-        "build": "yarn pre_build && tsc",
+        "build": "yarn pre_build && tsc -b",
         "pre_build": "run-s compile copy_artifacts generate_contract_wrappers",
         "copy_artifacts": "copyfiles -u 4 '../migrations/artifacts/2.0.0/**/*' ./lib/artifacts;",
         "test": "yarn run_mocha",
diff --git a/packages/contracts/test/utils/web3_wrapper.ts b/packages/contracts/test/utils/web3_wrapper.ts
index acb3103b7..d1cd3d387 100644
--- a/packages/contracts/test/utils/web3_wrapper.ts
+++ b/packages/contracts/test/utils/web3_wrapper.ts
@@ -1,5 +1,5 @@
 import { devConstants, env, EnvVars, web3Factory } from '@0xproject/dev-utils';
-import { prependSubprovider } from '@0xproject/subproviders';
+import { prependSubprovider, Web3ProviderEngine } from '@0xproject/subproviders';
 import { logUtils } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
@@ -47,7 +47,7 @@ const ganacheConfigs = {
 };
 const providerConfigs = testProvider === ProviderType.Ganache ? ganacheConfigs : gethConfigs;
 
-export const provider = web3Factory.getRpcProvider(providerConfigs);
+export const provider: Web3ProviderEngine = web3Factory.getRpcProvider(providerConfigs);
 const isCoverageEnabled = env.parseBoolean(EnvVars.SolidityCoverage);
 const isProfilerEnabled = env.parseBoolean(EnvVars.SolidityProfiler);
 const isRevertTraceEnabled = env.parseBoolean(EnvVars.SolidityRevertTrace);
diff --git a/packages/contracts/tsconfig.json b/packages/contracts/tsconfig.json
index 86b33ede7..5fd4c5331 100644
--- a/packages/contracts/tsconfig.json
+++ b/packages/contracts/tsconfig.json
@@ -2,13 +2,11 @@
     "extends": "../../tsconfig",
     "compilerOptions": {
         "outDir": "lib",
-        "baseUrl": ".",
-        "declaration": false,
-        "allowJs": true
+        "rootDir": "."
     },
     "include": [
         "./globals.d.ts",
-        "./contract_wrappers",
+        "./generated_contract_wrappers",
         "./src/**/*",
         "./utils/**/*",
         "./test/**/*",