diff --git a/docs/configuration.md b/docs/configuration.md
index 3e7832f1..fe38c763 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -54,23 +54,6 @@ polly.configure({
 });
 ```
 
-## recordIfExpired
-
-_deprecated! use [expiryStrategy](#expiryStrategy)_
-_Type_: `Boolean`
-_Default_: `false`
-
-If a request's recording has expired, pass-through to the server and
-record a new response.
-
-**Example**
-
-```js
-polly.configure({
-  recordIfExpired: true
-});
-```
-
 ## recordFailedRequests
 
 _Type_: `Boolean`
diff --git a/packages/@pollyjs/core/src/utils/merge-configs.js b/packages/@pollyjs/core/src/utils/merge-configs.js
index d7da9528..95445447 100644
--- a/packages/@pollyjs/core/src/utils/merge-configs.js
+++ b/packages/@pollyjs/core/src/utils/merge-configs.js
@@ -1,25 +1,4 @@
 import mergeWith from 'lodash-es/mergeWith';
-import { EXPIRY_STRATEGIES } from '@pollyjs/utils';
-
-function deprecateRecordIfExpired(mergedConfig) {
-  if (mergedConfig.hasOwnProperty('recordIfExpired')) {
-    console.warn(
-      '[Polly] config option "recordIfExpired" is deprecated. Please use "expiryStrategy".'
-    );
-
-    if (mergedConfig.recordIfExpired) {
-      // replace recordIfExpired: true with expiryStrategy: record
-      mergedConfig.expiryStrategy = EXPIRY_STRATEGIES.RECORD;
-    } else {
-      // replace recordIfExpired: false with expiryStrategy: warn
-      mergedConfig.expiryStrategy = EXPIRY_STRATEGIES.WARN;
-    }
-
-    delete mergedConfig.recordIfExpired;
-  }
-
-  return mergedConfig;
-}
 
 function customizer(objValue, srcValue, key) {
   // Arrays and `context` options should just replace the existing value
@@ -30,7 +9,5 @@ function customizer(objValue, srcValue, key) {
 }
 
 export default function mergeConfigs(...configs) {
-  const mergedConfig = mergeWith({}, ...configs, customizer);
-
-  return deprecateRecordIfExpired(mergedConfig);
+  return mergeWith({}, ...configs, customizer);
 }
diff --git a/tests/integration/adapter-tests.js b/tests/integration/adapter-tests.js
index 85d48db5..8c13d180 100644
--- a/tests/integration/adapter-tests.js
+++ b/tests/integration/adapter-tests.js
@@ -254,16 +254,6 @@ export default function adapterTests() {
       await this.polly.persister.delete(this.polly.recordingId);
     });
 
-    it('re-records on expired recording if recordIfExpired is true', async function() {
-      this.polly.configure({ recordIfExpired: true });
-      expect(await testExpiration.call(this)).to.equal(true);
-    });
-
-    it('replays the expired recording if recordIfExpired is false', async function() {
-      this.polly.configure({ recordIfExpired: false });
-      expect(await testExpiration.call(this)).to.equal(false);
-    });
-
     it('warns and plays back on expired recording if expiryStrategy is "warn"', async function() {
       this.polly.configure({ expiryStrategy: 'warn' });
       expect(await testExpiration.call(this)).to.equal(false);