diff --git a/action.yml b/action.yml
index f0701f2..2e5c1bc 100644
--- a/action.yml
+++ b/action.yml
@@ -4,10 +4,6 @@ author: 'GitHub'
 inputs: 
   dotnet-version:
     description: 'SDK version to use. E.g. 2.2.104'
-# Deprecated option, do not use. Will not be supported after October 1, 2019
-  version:
-    description: 'Deprecated. Use dotnet-version instead. Will not be supported after October 1, 2019'
-    deprecationMessage: 'The version property will not be supported after October 1, 2019. Use dotnet-version instead'
 runs:
   using: 'node12'
   main: 'lib/setup-dotnet.js'
diff --git a/lib/setup-dotnet.js b/lib/setup-dotnet.js
index 1c4cdae..8822872 100644
--- a/lib/setup-dotnet.js
+++ b/lib/setup-dotnet.js
@@ -1,10 +1,9 @@
 "use strict";
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
-    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
         function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
         function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
-        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
+        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
         step((generator = generator.apply(thisArg, _arguments || [])).next());
     });
 };
@@ -27,10 +26,7 @@ function run() {
             // If not supplied then task is still used to setup proxy, auth, etc...
             //
             console.log(`::warning::Use the v1 tag to get the last version, master may contain breaking changes and will not contain any required packages in the future. i.e. actions/setup-dotnet@v1`);
-            let version = core.getInput('version');
-            if (!version) {
-                version = core.getInput('dotnet-version');
-            }
+            let version = core.getInput('dotnet-version');
             if (version) {
                 const dotnetInstaller = new installer.DotnetCoreInstaller(version);
                 yield dotnetInstaller.installDotnet();
diff --git a/src/setup-dotnet.ts b/src/setup-dotnet.ts
index eee984d..08c817f 100644
--- a/src/setup-dotnet.ts
+++ b/src/setup-dotnet.ts
@@ -12,10 +12,8 @@ async function run() {
       `::warning::Use the v1 tag to get the last version, master may contain breaking changes and will not contain any required packages in the future. i.e. actions/setup-dotnet@v1`
     );
 
-    let version = core.getInput('version');
-    if (!version) {
-      version = core.getInput('dotnet-version');
-    }
+    let version = core.getInput('dotnet-version');
+
     if (version) {
       const dotnetInstaller = new installer.DotnetCoreInstaller(version);
       await dotnetInstaller.installDotnet();