diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 7a34328969..ae8f76d1ae 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -5,16 +5,12 @@ on:
   workflow_dispatch:
     inputs:
       image_version:
-        description: "Docker image version"
+        description: "Image version"
         required: true
       staging:
         description: "Build staging images"
         type: boolean
         default: false
-      prepull_staging:
-        description: "Pre-pull staging Docker images"
-        type: boolean
-        default: false
       build_docker:
         description: "Build Docker images"
         type: boolean
@@ -39,7 +35,6 @@ on:
 env:
   PACKER_VERSION: "1.9.2"
   BUILD_DOCKER_REPO: ${{ inputs.staging && 'base-stgn' || 'base' }}
-  PREPULL_DOCKER_REPO: ${{ inputs.prepull_staging && 'base-stgn' || 'base' }}
   VM_IMAGE_BUILD_PREFIX: ${{ inputs.staging && format('stgn-{0}-', github.run_number) || '' }} # staging ? prefix : ''
 
 jobs:
@@ -111,7 +106,7 @@ jobs:
           chmod +x packer
       - name: Run packer
         run: |
-          ./packer build -var-file=versions.json $PROD_VARS -var image_repo=${{ env.PREPULL_DOCKER_REPO }} -var image_version=${{ inputs.image_version }} -var build_prefix=$VM_IMAGE_BUILD_PREFIX aws-image${{ matrix.variant }}.json
+          ./packer build -var-file=versions.json $PROD_VARS -var image_version=${{ inputs.image_version }} -var build_prefix=$VM_IMAGE_BUILD_PREFIX aws-image${{ matrix.variant }}.json
         env:
           PROD_VARS: ${{ !inputs.staging && '-var-file=aws-vars-prod.json' || '' }} # production ? var-file : ''
 
@@ -144,7 +139,7 @@ jobs:
           chmod +x packer
       - name: Run packer
         run: |
-          ./packer build -var-file=versions.json -var image_repo=${{ env.PREPULL_DOCKER_REPO }} -var image_version=${{ inputs.image_version }} -var build_prefix=$VM_IMAGE_BUILD_PREFIX azure-image${{ matrix.variant }}.json
+          ./packer build -var-file=versions.json -var image_version=${{ inputs.image_version }} -var build_prefix=$VM_IMAGE_BUILD_PREFIX azure-image${{ matrix.variant }}.json
       - name: Publish azure image
         if: ${{ !inputs.staging }}
         run: |
@@ -182,7 +177,7 @@ jobs:
           chmod +x packer
       - name: Run packer
         run: |
-          ./packer build -var-file=versions.json -var image_repo=${{ env.PREPULL_DOCKER_REPO }} -var image_version=${{ inputs.image_version }} -var build_prefix=$VM_IMAGE_BUILD_PREFIX gcp-image${{ matrix.variant }}.json
+          ./packer build -var-file=versions.json -var image_version=${{ inputs.image_version }} -var build_prefix=$VM_IMAGE_BUILD_PREFIX gcp-image${{ matrix.variant }}.json
       - name: Publish images
         run: |
           IMAGE_VERSION=${IMAGE_VERSION//./-}
@@ -231,7 +226,6 @@ jobs:
         run: |
           ./packer build \
             -var-file=versions.json \
-            -var image_repo=${{ env.PREPULL_DOCKER_REPO }} \
             -var image_version=${{ inputs.image_version }} \
             -var build_prefix=$VM_IMAGE_BUILD_PREFIX \
             -var oci_compartment_ocid=$OCI_COMPARTMENT \
diff --git a/scripts/packer/aws-image-cuda.json b/scripts/packer/aws-image-cuda.json
index 9074dcdbd5..c60ee6d325 100644
--- a/scripts/packer/aws-image-cuda.json
+++ b/scripts/packer/aws-image-cuda.json
@@ -12,7 +12,6 @@
     "build_prefix": "",
     "ami_regions": "",
     "ami_groups": "",
-    "image_repo": "",
     "image_version": ""
   },
   "builders": [
diff --git a/scripts/packer/aws-image.json b/scripts/packer/aws-image.json
index 45d41b5a85..ab6922e9fb 100644
--- a/scripts/packer/aws-image.json
+++ b/scripts/packer/aws-image.json
@@ -11,7 +11,6 @@
     "build_prefix": "",
     "ami_regions": "",
     "ami_groups": "",
-    "image_repo": "",
     "image_version": ""
   },
   "builders": [
diff --git a/scripts/packer/azure-image-cuda.json b/scripts/packer/azure-image-cuda.json
index 9f1e82ae80..0a200e7855 100644
--- a/scripts/packer/azure-image-cuda.json
+++ b/scripts/packer/azure-image-cuda.json
@@ -10,7 +10,6 @@
     "build_prefix": "",
     "docker_version": "",
     "cuda_drivers_version": "",
-    "image_repo": "",
     "image_version": ""
   },
   "builders": [{
diff --git a/scripts/packer/azure-image-grid.json b/scripts/packer/azure-image-grid.json
index 863bfc7693..bad64a24aa 100644
--- a/scripts/packer/azure-image-grid.json
+++ b/scripts/packer/azure-image-grid.json
@@ -9,7 +9,6 @@
     "azure_vm_size": "Standard_D2s_v6",
     "build_prefix": "",
     "docker_version": "",
-    "image_repo": "",
     "image_version": ""
   },
   "builders": [{
diff --git a/scripts/packer/azure-image.json b/scripts/packer/azure-image.json
index bb630166a9..7d7d0d9c82 100644
--- a/scripts/packer/azure-image.json
+++ b/scripts/packer/azure-image.json
@@ -9,7 +9,6 @@
     "azure_vm_size": "Standard_D2s_v6",
     "build_prefix": "",
     "docker_version": "",
-    "image_repo": "",
     "image_version": ""
   },
   "builders": [{
diff --git a/scripts/packer/gcp-image-cuda.json b/scripts/packer/gcp-image-cuda.json
index b093d35007..6f68d6e277 100644
--- a/scripts/packer/gcp-image-cuda.json
+++ b/scripts/packer/gcp-image-cuda.json
@@ -3,7 +3,6 @@
     "build_prefix": "",
     "docker_version": "",
     "cuda_drivers_version": "",
-    "image_repo": "",
     "image_version": ""
   },
   "builders": [
diff --git a/scripts/packer/gcp-image.json b/scripts/packer/gcp-image.json
index 853b1bbd6b..b500a78989 100644
--- a/scripts/packer/gcp-image.json
+++ b/scripts/packer/gcp-image.json
@@ -2,7 +2,6 @@
   "variables": {
     "build_prefix": "",
     "docker_version": "",
-    "image_repo": "",
     "image_version": ""
   },
   "builders": [
diff --git a/scripts/packer/oci-image-cuda.json b/scripts/packer/oci-image-cuda.json
index 6b096a2341..df2d69af9f 100644
--- a/scripts/packer/oci-image-cuda.json
+++ b/scripts/packer/oci-image-cuda.json
@@ -3,7 +3,6 @@
     "build_prefix": "",
     "docker_version": "",
     "cuda_drivers_version": "",
-    "image_repo": "",
     "image_version": "",
     "oci_availability_domain": "",
     "oci_compartment_ocid": "",
diff --git a/scripts/packer/oci-image.json b/scripts/packer/oci-image.json
index 9fc1d04aa8..c80626723f 100644
--- a/scripts/packer/oci-image.json
+++ b/scripts/packer/oci-image.json
@@ -2,7 +2,6 @@
   "variables": {
     "build_prefix": "",
     "docker_version": "",
-    "image_repo": "",
     "image_version": "",
     "oci_availability_domain": "",
     "oci_compartment_ocid": "",