diff --git a/.github/workflows/tox_steps.yml b/.github/workflows/tox_steps.yml
index fd0b3e5a0..fe50e7fc3 100644
--- a/.github/workflows/tox_steps.yml
+++ b/.github/workflows/tox_steps.yml
@@ -14,15 +14,6 @@ on:
         description: 'Upload coverage to Codecov'
         type: boolean
         default: false
-      AWS_ACCESS_KEY_ID:
-        description: 'access key ID for AWS'
-        type: string
-      AWS_SECRET_ACCESS_KEY:
-        description: 'access key for AWS'
-        type: string
-      AWS_TEST_FARM_PEM:
-        description: 'contents of AWS PEM file to be placed in $AWS_EC2_PEM_FILE from environment'
-        type: string
       test_name:
         type: string
 permissions:
@@ -80,14 +71,14 @@ jobs:
     - name: Create test farm pem file
       if: contains(inputs.TOXENV, 'test-farm')
       env:
-        PEM_CONTENTS: "${{ inputs.AWS_TEST_FARM_PEM }}"
+        PEM_CONTENTS: "${{ secrets.AWS_TEST_FARM_PEM }}"
       run: |-
         echo "${PEM_CONTENTS}" >> $AWS_EC2_PEM_FILE
       shell: bash
     - name: Run tox
       env:
-        AWS_ACCESS_KEY_ID: "${{ inputs.AWS_ACCESS_KEY_ID }}"
-        AWS_SECRET_ACCESS_KEY: "${{ inputs.AWS_SECRET_ACCESS_KEY }}"
+        AWS_ACCESS_KEY_ID: "${{ secrets.AWS_ACCESS_KEY_ID }}"
+        AWS_SECRET_ACCESS_KEY: "${{ secrets.AWS_SECRET_ACCESS_KEY }}"
         PIP_USE_PEP517: "${{ inputs.PIP_USE_PEP517 }}"
         TOXENV: "${{ inputs.TOXENV }}"
       run: |-