diff --git a/Dockerfile b/Dockerfile
index c9514199e411d52cc3b219d2fb3c6d9f6d6e8088..6a7decf2025ac63b8afa24c102689a8494f7b48c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -93,5 +93,5 @@ RUN for i in $(seq 16); do \
 # Add go webserver
 COPY ./bin/web ${BIN}/goweb
 
-CMD rm /dev/tty && exec tini ${BIN}/goweb ${BIN}/maxima-optimised
+CMD rm /dev/tty && rm --one-file-system -rf /tmp/ && exec tini ${BIN}/goweb ${BIN}/maxima-optimised
 
diff --git a/assets/optimize.mac.template b/assets/optimize.mac.template
index bb78dbf17c58fda7e617eed9e79faf164796d7f3..0af9ffe0ac4c83a84eba8192f5ac3e680548b5ea 100644
--- a/assets/optimize.mac.template
+++ b/assets/optimize.mac.template
@@ -8,5 +8,6 @@ load("${LIB}/stackmaxima.mac");
 load(stats);
 load(distrib);
 load(descriptive);
+load(simplex)
 :lisp (sb-ext:save-lisp-and-die "maxima-optimised" :toplevel #'run :executable t)