diff --git a/kernel-akmods.Dockerfile b/kernel-akmods.Dockerfile
index 868c9e9..f9ac361 100644
--- a/kernel-akmods.Dockerfile
+++ b/kernel-akmods.Dockerfile
@@ -79,3 +79,7 @@ RUN ln -s /etc/alternatives/ld /usr/bin/ld
 
 # install Nvidia software
 RUN rpm-ostree install nvidia-vaapi-driver nvidia-persistenced opencl-filesystem
+
+# Clear cache, /var and /tmp and commit ostree
+RUN rm -rf /tmp/* /var/* && mkdir -p /var/tmp && chmod -R 1777 /var/tmp && \
+ostree container commit