diff --git a/.babelrc b/.babelrc
index 9f6e93c6..a9ce1369 100644
--- a/.babelrc
+++ b/.babelrc
@@ -1,28 +1,3 @@
 {
-  "env": {
-    // For RN example development
-    "development": {
-      "presets": ["react-native"]
-    },
-    // For Jest
-    "test": {
-      "presets": ["react-native"]
-    },
-    // For publishing to NPM for RN
-    "publish-rn": {
-      "presets": ["react-native-syntax"]
-    },
-    // For publishing to NPM for web
-    "publish-web": {
-      "presets": ["es2015", "stage-1", "react"],
-      "plugins": [
-        [
-          "transform-define",
-          {
-            "__DEV__": false
-          }
-        ]
-      ]
-    }
-  }
+  "presets": ["react-native"]
 }
diff --git a/.gitignore b/.gitignore
index 8e3a27bc..deeb1b93 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,8 +8,6 @@ jsconfig.json
 # NodeJS
 npm-debug.log
 node_modules
-lib-rn
-lib
 yarn-error.log
 
 # OS X
@@ -19,4 +17,4 @@ yarn-error.log
 .exponent
 
 # Jest
-coverage
\ No newline at end of file
+coverage
diff --git a/examples/NavigationPlayground/.flowconfig b/examples/NavigationPlayground/.flowconfig
index 1cc0eaf6..2a71d77b 100644
--- a/examples/NavigationPlayground/.flowconfig
+++ b/examples/NavigationPlayground/.flowconfig
@@ -34,9 +34,6 @@
 ; Ignore react-native-fbads dependency of the expo sdk
 .*/node_modules/react-native-fbads/*
 
-.*/react-navigation/lib-rn/.*
-.*/react-navigation/lib/.*
-
 .*/react-navigation/examples/ReduxExample/.*
 .*/react-navigation/website/.*
 
diff --git a/package.json b/package.json
index 25d5c9fe..f1098c6a 100644
--- a/package.json
+++ b/package.json
@@ -22,13 +22,12 @@
     "format": "eslint --fix .",
     "precommit": "lint-staged"
   },
-  "files": ["lib", "src"],
+  "files": ["src"],
   "peerDependencies": {
     "react": "*",
     "react-native": "*"
   },
   "dependencies": {
-    "babel-plugin-transform-define": "^1.3.0",
     "clamp": "^1.0.1",
     "hoist-non-react-statics": "^2.2.0",
     "path-to-regexp": "^1.7.0",
@@ -41,12 +40,7 @@
     "babel-core": "^6.25.0",
     "babel-eslint": "^7.2.3",
     "babel-jest": "^20.0.3",
-    "babel-preset-es2015": "^6.24.1",
-    "babel-preset-react": "^6.24.1",
     "babel-preset-react-native": "^2.1.0",
-    "babel-preset-react-native-stage-0": "^1.0.1",
-    "babel-preset-react-native-syntax": "^1.0.0",
-    "babel-preset-stage-1": "^6.24.1",
     "codecov": "^2.2.0",
     "eslint": "^4.2.0",
     "eslint-config-prettier": "^2.3.0",