diff --git a/dockers/sympa/Dockerfile b/dockers/sympa/Dockerfile
index b7fc513..bcdb582 100644
--- a/dockers/sympa/Dockerfile
+++ b/dockers/sympa/Dockerfile
@@ -123,6 +123,7 @@ RUN apt-get update \
     && apt-get install -y --no-install-recommends \
         pflogsumm \
         cron \
+    && rm -f /etc/cron.d/anacron \
     && rm -rf /var/lib/apt/lists/*