diff --git a/.forgejo/workflows/build-container.yaml b/.forgejo/workflows/build-container.yaml
index 6533449..7f09630 100644
--- a/.forgejo/workflows/build-container.yaml
+++ b/.forgejo/workflows/build-container.yaml
@@ -143,14 +143,7 @@ jobs:
           VERSION=$(grep -m1 '^\s*version\s*=\s*"' "$NIX_FILE" \
             | sed 's/.*"\(.*\)".*/\1/' || true)
 
-          # Fall back to CONTAINER_APP_VERSION from Dockerfile
-          if [ -z "$VERSION" ] && [ -f "containers/$CONTAINER/Dockerfile" ]; then
-            VERSION=$(grep -m1 '^ARG CONTAINER_APP_VERSION=' \
-              "containers/$CONTAINER/Dockerfile" \
-              | sed 's/^ARG CONTAINER_APP_VERSION=//')
-          fi
-
-          # Last resort: nix eval for nixpkgs packages
+          # Fall back to nix eval for nixpkgs packages
           if [ -z "$VERSION" ]; then
             VERSION=$(nix --extra-experimental-features "nix-command flakes" \
               eval --raw "nixpkgs#${CONTAINER}.version")