diff --git a/__tests__/lib.test.ts b/__tests__/lib.test.ts
index ad8e083..43ee4a8 100644
--- a/__tests__/lib.test.ts
+++ b/__tests__/lib.test.ts
@@ -1,4 +1,3 @@
-import {ExitCode} from '@actions/exit'
 import * as os from 'os'
 import * as path from 'path'
 import * as core from '../src/core'
@@ -121,18 +120,18 @@ describe('@actions/core', () => {
 
   it('setNeutral sets the correct exit code', () => {
     core.setFailed('Failure message')
-    expect(process.exitCode).toBe(ExitCode.Failure)
+    expect(process.exitCode).toBe(core.ExitCode.Failure)
   })
 
   it('setFailure sets the correct exit code and failure message', () => {
     core.setFailed('Failure message')
-    expect(process.exitCode).toBe(ExitCode.Failure)
+    expect(process.exitCode).toBe(core.ExitCode.Failure)
     assertWriteCalls([`##[error]Failure message${os.EOL}`])
   })
 
   it('setFailure escapes the failure message', () => {
     core.setFailed('Failure \r\n\nmessage\r')
-    expect(process.exitCode).toBe(ExitCode.Failure)
+    expect(process.exitCode).toBe(core.ExitCode.Failure)
     assertWriteCalls([`##[error]Failure %0D%0A%0Amessage%0D${os.EOL}`])
   })
 
diff --git a/package.json b/package.json
index fea0198..1e34e5e 100644
--- a/package.json
+++ b/package.json
@@ -32,8 +32,5 @@
   },
   "devDependencies": {
     "@types/node": "^12.0.2"
-  },
-  "dependencies": {
-    "@actions/exit": "^0.0.0"
   }
 }
diff --git a/src/core.ts b/src/core.ts
index ec98624..cf67d9e 100644
--- a/src/core.ts
+++ b/src/core.ts
@@ -1,4 +1,3 @@
-import {ExitCode} from '@actions/exit'
 import {issue, issueCommand} from './command'
 
 import * as path from 'path'
@@ -11,6 +10,26 @@ export interface InputOptions {
   required?: boolean
 }
 
+/**
+ * The code to exit an action
+ */
+export enum ExitCode {
+  /**
+   * A code indicating that the action was successful
+   */
+  Success = 0,
+
+  /**
+   * A code indicating that the action was a failure
+   */
+  Failure = 1,
+
+  /**
+   * A code indicating that the action is complete, but neither succeeded nor failed
+   */
+  Neutral = 78
+}
+
 //-----------------------------------------------------------------------
 // Variables
 //-----------------------------------------------------------------------