diff --git a/.github/workflows/manual.yml b/.github/workflows/manual.yml
index a28db2a..a405f60 100644
--- a/.github/workflows/manual.yml
+++ b/.github/workflows/manual.yml
@@ -1,31 +1,12 @@
-# This is a basic workflow that is manually triggered
-
 name: Regression tests
 
-# Controls when the action will run. Workflow runs when manually triggered using the UI
-# or API.
 on:
   workflow_dispatch:
-    # Inputs the workflow accepts.
-    inputs:
-      name:
-        # Friendly description to be shown in the UI instead of 'name'
-        description: 'Environment'
-        # Default value if no value is explicitly provided
-        default: 'ubuntu-16.04'
-        # Input has to be provided for the workflow to run
-        required: true
 
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
-  # This workflow contains a single job called "greet"
-  regression:
-    # The type of runner that the job will run on
-    runs-on: ${{ github.event.inputs.runson }}
-
-    # Steps represent a sequence of tasks that will be executed as part of the job
+  ubuntu16:
+    runs-on: ubuntu-16.04
     steps:
-    # Runs a single command using the runners shell
-    - name: Regression test
-      run: sudo -E ./run_tests
+     - name: Regression test
+       run: sudo -E ./run_tests