Drop platforms
diff --git a/hack/generate-github-workflows b/hack/generate-github-workflows
index 5622777..b9aeb65 100755
--- a/hack/generate-github-workflows
+++ b/hack/generate-github-workflows
@@ -51,6 +51,10 @@
     "ironic": "python-dracclient sushy",
     "placement": "httplib2",
 }
+PLATFORMS = {
+    "nova": "linux/amd64,linux/arm64",
+    "neutron": "linux/amd64,linux/arm64",
+}
 
 
 def get_ref_for_project(project, release):
@@ -70,15 +74,6 @@
     }
 
 
-def get_platforms_for_project(project):
-    try:
-        return (
-            open(f"images/openstack/projects/{project}/platforms", "r").read().strip()
-        )
-    except FileNotFoundError:
-        return "linux/amd64"
-
-
 def get_job_for_project(project, release):
     build_args = get_build_args_for_project(project, release)
     ref = get_ref_for_project(project, release)
@@ -91,7 +86,7 @@
             "cache-from": "type=gha",
             "cache-to": "type=gha,mode=max",
             "push": True,
-            "platforms": get_platforms_for_project(project),
+            "platforms": PLATFORMS.get(project, "linux/amd64"),
             "build-args": "\n".join([f"{k}={v}" for k, v in build_args.items()]),
             "tags": f"quay.io/vexxhost/{project}:{ref}",
         },
diff --git a/images/openstack/projects/neutron/platforms b/images/openstack/projects/neutron/platforms
deleted file mode 100644
index aaba0ef..0000000
--- a/images/openstack/projects/neutron/platforms
+++ /dev/null
@@ -1 +0,0 @@
-linux/amd64,linux/arm64
diff --git a/images/openstack/projects/nova/platforms b/images/openstack/projects/nova/platforms
deleted file mode 100644
index aaba0ef..0000000
--- a/images/openstack/projects/nova/platforms
+++ /dev/null
@@ -1 +0,0 @@
-linux/amd64,linux/arm64