diff --git a/docs/hardening.md b/docs/hardening.md
deleted file mode 100644
index 1ebd97b..0000000
--- a/docs/hardening.md
+++ /dev/null
@@ -1,28 +0,0 @@
-# To rebuild all gds
-
-Build notes are also in the tt-03-build of discord
-
-On git tag tapeout
-
-run 
-
-    . setuptokens.sh
-    ./configure.py --harden
-
-Some projects will fail with golden config. Change this line in golden config
-
-    set ::env(PL_BASIC_PLACEMENT) {1}
-
-Then reharden the fails:
-
-    for i in 000 027 047 062 064 081 087 092 094 117 118 126 129 140 141 146 153 156 163 165 ; do 
-        echo $i
-        ./configure.py  --single $i --harden
-    done
-
-Project 106 only hardens with the config.tcl as provided
-
-After rehardening, this should return empty:
-
-    grep 'Flow failed' projects/*/runs/wokwi/errors.log
-