diff --git a/README.md b/README.md
index 1a85bb9..84449b9 100644
--- a/README.md
+++ b/README.md
@@ -27,9 +27,6 @@ ember install ember-lifeline-decorators ember-lifeline
 
 ## Usage
 
-You don't need to register `runDisposables(this)` in the `willDestroy` hook. The
-decorators do this for you.
-
 ### Available decorators
 
 | Decorator                              | ember-lifeline                             | Description                                            |
diff --git a/addon/debounce.ts b/addon/debounce.ts
index 31d5308..9b4c45b 100644
--- a/addon/debounce.ts
+++ b/addon/debounce.ts
@@ -4,7 +4,6 @@ import EmberObject from '@ember/object';
 
 import { debounceTask } from 'ember-lifeline';
 
-import hookDisposablesRunner from './hook-disposables-runner';
 import privateAlias from './utils/private-alias';
 import { Prototype } from './utils/type-helpers';
 
@@ -21,8 +20,6 @@ export default decoratorWithRequiredParams(function debounce<
     typeof desc.value === 'function'
   );
 
-  hookDisposablesRunner(target.constructor);
-
   return privateAlias(
     target,
     key,
diff --git a/addon/disposable.ts b/addon/disposable.ts
index 67df5f2..6f6c671 100644
--- a/addon/disposable.ts
+++ b/addon/disposable.ts
@@ -6,7 +6,6 @@ import { registerDisposable } from 'ember-lifeline';
 
 import { afterMethod } from 'patch-method';
 
-import hookDisposablesRunner from './hook-disposables-runner';
 import { Prototype } from './utils/type-helpers';
 
 export default decoratorWithParams(function disposable<
@@ -21,8 +20,6 @@ export default decoratorWithParams(function disposable<
     typeof desc.value === 'function'
   );
 
-  hookDisposablesRunner(target.constructor);
-
   afterMethod(target.constructor, 'init', function () {
     // `.bind` is required because ember-lifeline does not set the correct context
     registerDisposable(this, desc.value.bind(this));
diff --git a/addon/event-listener.ts b/addon/event-listener.ts
index a2926f7..91f2676 100644
--- a/addon/event-listener.ts
+++ b/addon/event-listener.ts
@@ -7,7 +7,6 @@ import { addEventListener } from 'ember-lifeline';
 
 import { afterMethod } from 'patch-method';
 
-import hookDisposablesRunner from './hook-disposables-runner';
 import { Prototype, Constructor } from './utils/type-helpers';
 
 // eslint-disable-next-line @typescript-eslint/naming-convention, @typescript-eslint/no-empty-function
@@ -45,7 +44,6 @@ export default decoratorWithRequiredParams(function eventListener<
   );
 
   collapseProto(target);
-  hookDisposablesRunner(target.constructor);
 
   afterMethod(
     target.constructor as Constructor<Component>,
diff --git a/addon/hook-disposables-runner.ts b/addon/hook-disposables-runner.ts
deleted file mode 100644
index 1d5d542..0000000
--- a/addon/hook-disposables-runner.ts
+++ /dev/null
@@ -1,27 +0,0 @@
-import EmberObject from '@ember/object';
-
-import { runDisposables } from 'ember-lifeline';
-
-import { Constructor } from './utils/type-helpers';
-
-const hookedWithDisposables = new WeakSet<Constructor<EmberObject>>();
-
-export default function hookDisposablesRunner(
-  klass: Constructor<EmberObject>
-): void {
-  if (hookedWithDisposables.has(klass)) return;
-  hookedWithDisposables.add(klass);
-
-  const { prototype } = klass;
-
-  const originalMethod = Object.getOwnPropertyDescriptor(
-    prototype,
-    'willDestroy'
-  );
-  prototype.willDestroy = function (...args: any[]) {
-    runDisposables(this);
-    if (originalMethod) {
-      return originalMethod.value.apply(this, args);
-    }
-  };
-}
diff --git a/addon/later.ts b/addon/later.ts
index d712ade..ea1d2aa 100644
--- a/addon/later.ts
+++ b/addon/later.ts
@@ -4,7 +4,6 @@ import EmberObject from '@ember/object';
 
 import { runTask } from 'ember-lifeline';
 
-import hookDisposablesRunner from './hook-disposables-runner';
 import { Prototype } from './utils/type-helpers';
 
 export default decoratorWithRequiredParams(function later<
@@ -20,8 +19,6 @@ export default decoratorWithRequiredParams(function later<
     typeof desc.value === 'function'
   );
 
-  hookDisposablesRunner(target.constructor);
-
   return {
     ...desc,
     value(this: InstanceType<typeof target.constructor>, ...args: any[]) {
diff --git a/addon/schedule.ts b/addon/schedule.ts
index 17780bb..e52c229 100644
--- a/addon/schedule.ts
+++ b/addon/schedule.ts
@@ -4,7 +4,6 @@ import EmberObject from '@ember/object';
 
 import { scheduleTask } from 'ember-lifeline';
 
-import hookDisposablesRunner from './hook-disposables-runner';
 import { Prototype } from './utils/type-helpers';
 
 /**
@@ -27,8 +26,6 @@ export default decoratorWithRequiredParams(function schedule<
     typeof desc.value === 'function'
   );
 
-  hookDisposablesRunner(target.constructor);
-
   return {
     ...desc,
     value(this: InstanceType<typeof target.constructor>, ...args: any[]) {
diff --git a/addon/throttle.ts b/addon/throttle.ts
index 8414648..4ecec69 100644
--- a/addon/throttle.ts
+++ b/addon/throttle.ts
@@ -4,7 +4,6 @@ import EmberObject from '@ember/object';
 
 import { throttleTask } from 'ember-lifeline';
 
-import hookDisposablesRunner from './hook-disposables-runner';
 import privateAlias from './utils/private-alias';
 import { Prototype } from './utils/type-helpers';
 
@@ -21,8 +20,6 @@ export default decoratorWithRequiredParams(function throttle<
     typeof desc.value === 'function'
   );
 
-  hookDisposablesRunner(target.constructor);
-
   return privateAlias(
     target,
     key,