diff --git a/package.json b/package.json
index be875774fad..ab9bf0c9bd8 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "lint:fix": "yarn lint:eslint --fix && yarn lint:misc --write",
     "test": "jest",
     "test:watch": "jest --watch",
-    "build": "rimraf dist && tsc --project .",
+    "build": "rimraf dist && tsc --project tsconfig.build.json",
     "build:watch": "yarn build --watch",
     "build:link": "yarn build && cd dist && yarn link && rm -rf node_modules && cd ..",
     "doc": "typedoc && touch docs/.nojekyll"
diff --git a/src/dependencies.d.ts b/src/dependencies.d.ts
deleted file mode 100644
index f94a6499a99..00000000000
--- a/src/dependencies.d.ts
+++ /dev/null
@@ -1,31 +0,0 @@
-// TODO: Add types to each of these packages, replace them, or add full types here.
-
-declare module '@metamask/contract-metadata';
-
-declare module '@metamask/metamask-eth-abis';
-
-declare module 'eth-ens-namehash';
-
-declare module 'eth-json-rpc-infura/src/createProvider';
-
-declare module 'eth-keyring-controller';
-
-declare module 'eth-phishing-detect/src/config.json';
-
-declare module 'eth-phishing-detect/src/detector';
-
-declare module 'eth-query';
-
-declare module 'ethjs-provider-http';
-
-declare module 'ethjs-unit';
-
-declare module 'isomorphic-fetch';
-
-declare module 'single-call-balance-checker-abi';
-
-declare module 'web3-provider-engine';
-
-declare module 'web3-provider-engine/subproviders/provider';
-
-declare module 'web3-provider-engine/zero';
diff --git a/tsconfig.build.json b/tsconfig.build.json
new file mode 100644
index 00000000000..70df21e1651
--- /dev/null
+++ b/tsconfig.build.json
@@ -0,0 +1,11 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "declaration": true,
+    "declarationDir": "./dist",
+    "outDir": "./dist",
+    "rootDir": "./src"
+  },
+  "include": ["./src/**/*.ts"],
+  "exclude": ["**/*.test.ts"]
+}
diff --git a/tsconfig.json b/tsconfig.json
index 8db604aaa42..2887202355a 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,17 +1,15 @@
 {
   "compilerOptions": {
-    "declaration": true,
-    "declarationDir": "dist",
+    "baseUrl": ".",
     "esModuleInterop": true,
+    "inlineSources": true,
     "module": "commonjs",
     "moduleResolution": "node",
-    "outDir": "dist",
-    "rootDir": "./src",
+    "paths": {
+      "*": ["./types/*"]
+    },
     "sourceMap": true,
-    "inlineSources": true,
     "strict": true,
     "target": "es6"
-  },
-  "include": ["src/**/*.ts"],
-  "exclude": ["**/*.test.ts"]
+  }
 }
diff --git a/types/@metamask/contract-metadata.d.ts b/types/@metamask/contract-metadata.d.ts
new file mode 100644
index 00000000000..dfbc40c8acb
--- /dev/null
+++ b/types/@metamask/contract-metadata.d.ts
@@ -0,0 +1 @@
+declare module '@metamask/contract-metadata';
diff --git a/types/@metamask/metamask-eth-abis.d.ts b/types/@metamask/metamask-eth-abis.d.ts
new file mode 100644
index 00000000000..d26af311c1b
--- /dev/null
+++ b/types/@metamask/metamask-eth-abis.d.ts
@@ -0,0 +1 @@
+declare module '@metamask/metamask-eth-abis';
diff --git a/types/eth-ens-namehash.d.ts b/types/eth-ens-namehash.d.ts
new file mode 100644
index 00000000000..1f686f57aea
--- /dev/null
+++ b/types/eth-ens-namehash.d.ts
@@ -0,0 +1 @@
+declare module 'eth-ens-namehash';
diff --git a/types/eth-json-rpc-infura/src/createProvider.d.ts b/types/eth-json-rpc-infura/src/createProvider.d.ts
new file mode 100644
index 00000000000..53b9352d5ce
--- /dev/null
+++ b/types/eth-json-rpc-infura/src/createProvider.d.ts
@@ -0,0 +1 @@
+declare module 'eth-json-rpc-infura/src/createProvider';
diff --git a/types/eth-keyring-controller.d.ts b/types/eth-keyring-controller.d.ts
new file mode 100644
index 00000000000..7576b89189c
--- /dev/null
+++ b/types/eth-keyring-controller.d.ts
@@ -0,0 +1 @@
+declare module 'eth-keyring-controller';
diff --git a/types/eth-phishing-detect/src/config.json.d.ts b/types/eth-phishing-detect/src/config.json.d.ts
new file mode 100644
index 00000000000..6943346451f
--- /dev/null
+++ b/types/eth-phishing-detect/src/config.json.d.ts
@@ -0,0 +1 @@
+declare module 'eth-phishing-detect/src/config.json';
diff --git a/types/eth-phishing-detect/src/detector.d.ts b/types/eth-phishing-detect/src/detector.d.ts
new file mode 100644
index 00000000000..cab272fdde9
--- /dev/null
+++ b/types/eth-phishing-detect/src/detector.d.ts
@@ -0,0 +1 @@
+declare module 'eth-phishing-detect/src/detector';
diff --git a/types/eth-query.d.ts b/types/eth-query.d.ts
new file mode 100644
index 00000000000..e857105f282
--- /dev/null
+++ b/types/eth-query.d.ts
@@ -0,0 +1 @@
+declare module 'eth-query';
diff --git a/types/ethjs-provider-http.d.ts b/types/ethjs-provider-http.d.ts
new file mode 100644
index 00000000000..6bee27c95f9
--- /dev/null
+++ b/types/ethjs-provider-http.d.ts
@@ -0,0 +1 @@
+declare module 'ethjs-provider-http';
diff --git a/types/ethjs-unit.d.ts b/types/ethjs-unit.d.ts
new file mode 100644
index 00000000000..9030a9770f7
--- /dev/null
+++ b/types/ethjs-unit.d.ts
@@ -0,0 +1 @@
+declare module 'ethjs-unit';
diff --git a/types/isomorphic-fetch.d.ts b/types/isomorphic-fetch.d.ts
new file mode 100644
index 00000000000..702932253d0
--- /dev/null
+++ b/types/isomorphic-fetch.d.ts
@@ -0,0 +1 @@
+declare module 'isomorphic-fetch';
diff --git a/types/single-call-balance-checker-abi.d.ts b/types/single-call-balance-checker-abi.d.ts
new file mode 100644
index 00000000000..7bcda047d7d
--- /dev/null
+++ b/types/single-call-balance-checker-abi.d.ts
@@ -0,0 +1 @@
+declare module 'single-call-balance-checker-abi';
diff --git a/types/web3-provider-engine.d.ts b/types/web3-provider-engine.d.ts
new file mode 100644
index 00000000000..4d03b99ed28
--- /dev/null
+++ b/types/web3-provider-engine.d.ts
@@ -0,0 +1 @@
+declare module 'web3-provider-engine';
diff --git a/types/web3-provider-engine/subproviders/provider.d.ts b/types/web3-provider-engine/subproviders/provider.d.ts
new file mode 100644
index 00000000000..1b953f44368
--- /dev/null
+++ b/types/web3-provider-engine/subproviders/provider.d.ts
@@ -0,0 +1 @@
+declare module 'web3-provider-engine/subproviders/provider';
diff --git a/types/web3-provider-engine/zero.d.ts b/types/web3-provider-engine/zero.d.ts
new file mode 100644
index 00000000000..a1dcda9a562
--- /dev/null
+++ b/types/web3-provider-engine/zero.d.ts
@@ -0,0 +1 @@
+declare module 'web3-provider-engine/zero';