--- zimfw.zsh   2021-09-21 16:26:34.034179638 +1000
+++ zimfw.zsh   2021-09-21 16:30:58.546504098 +1000
@@ -53,10 +53,6 @@

 _zimfw_build_init() {
   local -r ztarget=${ZIM_HOME}/init.zsh
-  # Force update of init.zsh if it's older than .zimrc
-  if [[ ${ztarget} -ot ${ZDOTDIR:-${HOME}}/.zimrc ]]; then
-    command mv -f ${ztarget}{,.old} || return 1
-  fi
   _zimfw_mv =(
     print -R "zimfw() { source ${ZIM_HOME}/zimfw.zsh \"\${@}\" }"
     print -R "zmodule() { source ${ZIM_HOME}/zimfw.zsh \"\${@}\" }"
@@ -65,16 +61,13 @@
     if (( ${#_zfunctions} )) print -R 'autoload -Uz '${_zfunctions#${~zpre}}
     print -R ${(F)_zcmds#${~zpre}}
   ) ${ztarget}
+  chmod -R u+rX,g+rX,o+rX "${ZIM_HOME}" &>/dev/null
 }

 _zimfw_build_login_init() {
   # Array with unique dirs. ${ZIM_HOME} or any subdirectory should only occur once.
   local -Ur zscriptdirs=(${ZIM_HOME} ${${_zdirs##${ZIM_HOME}/*}:A})
   local -r zscriptglob=("${^zscriptdirs[@]}/(^*test*/)#*.zsh(|-theme)(N-.)") ztarget=${ZIM_HOME}/login_init.zsh
-  # Force update of login_init.zsh if it's older than .zimrc
-  if [[ ${ztarget} -ot ${ZDOTDIR:-${HOME}}/.zimrc ]]; then
-    command mv -f ${ztarget}{,.old} || return 1
-  fi
   _zimfw_mv =(
     print -Rn "() {
   setopt LOCAL_OPTIONS CASE_GLOB EXTENDED_GLOB
@@ -101,6 +94,7 @@
 } \"\${@}\"
 "
   ) ${ztarget}
+  chmod -R u+rX,g+rX,o+rX "${ZIM_HOME}" &>/dev/null
 }

 _zimfw_build() {