diff --git a/.envrc b/.envrc
index df41b25..64e10c1 100644
--- a/.envrc
+++ b/.envrc
@@ -15,23 +15,23 @@ now="$(date +%Y-%m-%d)"
 if [[ ! -d .direnv/tmp ]]; then
   mkdir -p .direnv/tmp
 elif command -v find >/dev/null; then
-  find .direnv/tmp/ -mindepth 1 -maxdepth 1 -type d -and ! -newermt "4 hours ago" -delete
+  find .direnv/tmp/ -mindepth 1 -maxdepth 1 -type d -and ! -newermt "4 hours ago" -exec rm -rf {} \;
 fi
 if [[ ! -s .direnv/pull-date || "$now" != "$(cat .direnv/pull-date)" ]]; then
   tmp=$(mktemp -p .direnv/tmp -d)
   trap 'rm -rf "$tmp" >&/dev/null' ERR EXIT RETURN
-  if ! $GIT diff --exit-code --quiet HEAD -- flake.lock >&/dev/null; then
+  if ! git diff --exit-code --quiet HEAD -- flake.lock >&/dev/null; then
     cp flake.lock "$tmp"/dirty-flake.lock
-    $GIT reset -- flake.lock
-    $GIT restore -- flake.lock
-    cp flake.lock "$tmp"/clean-flake.lock # we could instead preserve the current $GIT rev
+    git reset -- flake.lock
+    git restore -- flake.lock
+    cp flake.lock "$tmp"/clean-flake.lock # we could instead preserve the current git rev
   fi
-  $GIT pull --rebase --autostash
+  git pull --rebase --autostash
   if grep -q "^=======" flake.lock; then
     # TODO: can this happen anymore?
-    $GIT reset -- flake.lock
+    git reset -- flake.lock
     rm flake.lock # restore?
-    $GIT checkout -- flake.lock
+    git checkout -- flake.lock
   elif [[ -s "$tmp"/clean-flake.lock ]] && ! diff -q "$tmp"/clean-flake.lock flake.lock >&/dev/null; then
     cp "$tmp"/flake-dirty.lock flake.lock
   fi