diff --git a/Dockerfile.scratch b/Dockerfile.scratch
index 3303ee727..82abd6ee1 100644
--- a/Dockerfile.scratch
+++ b/Dockerfile.scratch
@@ -41,7 +41,6 @@ RUN cd web && npm i --force && npm run build
 
 # install dependencies from poetry.lock file
 COPY pyproject.toml poetry.toml poetry.lock ./
-RUN --mount=type=cache,target=/root/.cache/pypoetry,sharing=locked
 
 RUN --mount=type=cache,target=/root/.cache/pypoetry,sharing=locked \
     /root/.local/bin/poetry install --sync --no-cache --no-root