diff --git a/tools/branch-deploy.sh b/tools/branch-deploy.sh
index a2bfb9c..260bfd0 100755
--- a/tools/branch-deploy.sh
+++ b/tools/branch-deploy.sh
@@ -7,10 +7,19 @@ set -u
 TARGET_FOLDER=$(realpath $1)
 BASE_URL="$2"
 
+# Arguments to add to the Hugo call
+HUGO_ARGUMENTS="--gc"
+
+# Ensure the target folder exists
 mkdir -p "${TARGET_FOLDER}"
 
-# Track all remote branches locally
+# Prune branches that have disappeared from origin
 git remote prune origin > /dev/null
+PRUNE_BRANCHES=$(git fetch -p ; git branch -r | awk '{print $1}' | egrep -v -f /dev/fd/0 <(git branch -vv | grep origin) | awk '{print $1}')
+echo $PRUNE_BRANCHES | xargs --no-run-if-empty git branch -d > /dev/null
+echo $PRUNE_BRANCHES | xargs --no-run-if-empty -I '{}' rm -rf ${TARGET_FOLDER}/{}
+
+# Track all remote branches locally
 git branch -r | grep -v '\->' | sed "s,\x1B\[[0-9;]*[a-zA-Z],,g" | while read remote; do git branch --track "${remote#origin/}" "$remote" >/dev/null 2>&1; done
 
 # Pull the branches
@@ -29,7 +38,7 @@ for BRANCH in $(git for-each-ref --format='%(refname:short)' refs/heads); do
     git --work-tree="${TEMP_FOLDER}" checkout "${BRANCH}" -- .
 
     # Build to the destination folder
-    hugo --gc -b "${BASE_URL}/${BRANCH}" -s "${TEMP_FOLDER}" -d "${TARGET_FOLDER}/${BRANCH}" > /dev/null
+    hugo ${HUGO_ARGUMENTS} -b "${BASE_URL}/${BRANCH}" -s "${TEMP_FOLDER}" -d "${TARGET_FOLDER}/${BRANCH}" > /dev/null
 
     # Cleanup the temp folder
     rm -rf "${TEMP_FOLDER}"