diff --git a/README.md b/README.md
index 0d6fd20..9402047 100644
--- a/README.md
+++ b/README.md
@@ -21,10 +21,6 @@ This is a fork of [wirgen/portainer-stack-redeploy-action](https://github.com/wi
 
 ID of endpoint (environment). Required if your stack is not in local environment
 
-### `repositoryAuthentication`
-
-Use stored credentials to pull docker-compose.yaml from git repository. When credentials are stored, but this is not set to `true`, the action will fail
-
 ### `environment`
 
 Environment variables to set on the stack. When omitted, all existing variables will be cleared from the stack. Must be input as a JSON String; one array of objects each with the keys `name` and `value`
diff --git a/action.yml b/action.yml
index da3fd6d..f21e78f 100644
--- a/action.yml
+++ b/action.yml
@@ -16,16 +16,12 @@ inputs:
     description: 'Endpoint ID'
     required: false
     default: ''
-  repositoryAuthentication:
-    description: 'Use stored credentials to pull docker-compose.yaml from git repository'
-    required: false
-    default: false
   environment:
     description: 'Environment variables'
     required: false
 
 runs:
-  using: 'node20'
+  using: 'node16'
   main: 'dist/index.js'
 
 branding:
diff --git a/dist/index.js b/dist/index.js
index 147bf1f..f0f4914 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -2825,7 +2825,6 @@ let portainerUrl = core.getInput("portainerUrl")
 const accessToken = core.getInput("accessToken")
 const stackId = parseInt(core.getInput("stackId"))
 const endpointId = parseInt(core.getInput("endpointId"))
-const repositoryAuthentication = core.getInput("repositoryAuthentication")
 const environmentVariables = core.getInput("environment")
 
 if (isNaN(stackId)) {
@@ -2856,10 +2855,6 @@ const postDataObject = {
   pullImage: true,
 }
 
-if (repositoryAuthentication === true || repositoryAuthentication === 'true') {
-  postDataObject.repositoryAuthentication = true
-}
-
 if (environmentVariables !== undefined && environmentVariables !== "") {
   postDataObject.env = JSON.parse(environmentVariables)
 }
diff --git a/index.js b/index.js
index 19d693a..d97e028 100644
--- a/index.js
+++ b/index.js
@@ -6,7 +6,6 @@ let portainerUrl = core.getInput("portainerUrl")
 const accessToken = core.getInput("accessToken")
 const stackId = parseInt(core.getInput("stackId"))
 const endpointId = parseInt(core.getInput("endpointId"))
-const repositoryAuthentication = core.getInput("repositoryAuthentication")
 const environmentVariables = core.getInput("environment")
 
 if (isNaN(stackId)) {
@@ -37,10 +36,6 @@ const postDataObject = {
   pullImage: true,
 }
 
-if (repositoryAuthentication === true || repositoryAuthentication === 'true') {
-  postDataObject.repositoryAuthentication = true
-}
-
 if (environmentVariables !== undefined && environmentVariables !== "") {
   postDataObject.env = JSON.parse(environmentVariables)
 }