diff --git a/packages/babel-plugin-transform-strict-mode/README.md b/packages/babel-plugin-transform-strict-mode/README.md
index 08c5afe405..da12aa03cb 100644
--- a/packages/babel-plugin-transform-strict-mode/README.md
+++ b/packages/babel-plugin-transform-strict-mode/README.md
@@ -34,7 +34,6 @@ npm install --save-dev babel-plugin-transform-strict-mode
 
 **.babelrc**
 
-Without options:
 
 ```json
 {
@@ -42,17 +41,6 @@ Without options:
 }
 ```
 
-With options:
-
-```json
-{
-  "plugins": [
-    ["transform-strict-mode", {
-      "strict": true
-    }]
-  ]
-}
-```
 
 ### Via CLI
 
diff --git a/packages/babel-plugin-transform-strict-mode/src/index.js b/packages/babel-plugin-transform-strict-mode/src/index.js
index 756979d79e..ac94b5d92f 100644
--- a/packages/babel-plugin-transform-strict-mode/src/index.js
+++ b/packages/babel-plugin-transform-strict-mode/src/index.js
@@ -3,11 +3,7 @@ import * as t from "babel-types";
 export default function() {
   return {
     visitor: {
-      Program(path, state) {
-        if (state.opts.strict === false || state.opts.strictMode === false) {
-          return;
-        }
-
+      Program(path) {
         const { node } = path;
 
         for (const directive of (node.directives: Array<Object>)) {
diff --git a/packages/babel-plugin-transform-strict-mode/test/fixtures/disable-strict-mode/options.json b/packages/babel-plugin-transform-strict-mode/test/fixtures/disable-strict-mode/options.json
deleted file mode 100644
index aaa785cb96..0000000000
--- a/packages/babel-plugin-transform-strict-mode/test/fixtures/disable-strict-mode/options.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "plugins": [
-    ["transform-strict-mode", { "strictMode": false }]
-  ]
-}
diff --git a/packages/babel-plugin-transform-strict-mode/test/fixtures/disable-strict-mode/strictMode-false/actual.js b/packages/babel-plugin-transform-strict-mode/test/fixtures/disable-strict-mode/strictMode-false/actual.js
deleted file mode 100644
index a280f9a5cc..0000000000
--- a/packages/babel-plugin-transform-strict-mode/test/fixtures/disable-strict-mode/strictMode-false/actual.js
+++ /dev/null
@@ -1 +0,0 @@
-foo();
diff --git a/packages/babel-plugin-transform-strict-mode/test/fixtures/disable-strict-mode/strictMode-false/expected.js b/packages/babel-plugin-transform-strict-mode/test/fixtures/disable-strict-mode/strictMode-false/expected.js
deleted file mode 100644
index a280f9a5cc..0000000000
--- a/packages/babel-plugin-transform-strict-mode/test/fixtures/disable-strict-mode/strictMode-false/expected.js
+++ /dev/null
@@ -1 +0,0 @@
-foo();