diff --git a/assets/install b/assets/install
index 7ff9e9b..4575a28 100644
--- a/assets/install
+++ b/assets/install
@@ -8,7 +8,6 @@ nightly=${NIGHTLY:-0}
 verify=${VERIFY:-0}
 local=${LOCAL:-0}
 use_sudo=${USE_SUDO:-0}
-force_update=${FORCE_UPDATE:-0}
 
 usage() {
     echo "Options:"
@@ -18,7 +17,6 @@ usage() {
     echo "  -d <path>, --dest <path>  Set install destination (default /usr/local/bin)"
     echo "  -V, --verify              Verify gpg signature"
     echo "  -l, --local               Verify gpg signature with local keychain"
-    echo "  -F, --force               Force re-install even if flow is up-to-date"
     exit 1
 }
 
@@ -33,7 +31,7 @@ while true; do
         shift 1
         ;;
     -d | --dest)
-        install_dir=$2
+        install_dir=/$2
         shift 2
         ;;
     -V | --verify)
@@ -44,10 +42,6 @@ while true; do
         local=1
         shift 1
         ;;
-    -F | --force)
-        force_update=1
-        shift 1
-        ;;
     -h | --help)
         usage
         ;;
@@ -88,6 +82,21 @@ if [ -z "$need_sudo" ] && [ -e "$install_dir/f" ]; then
     fi
 fi
 
+if [ "$use_sudo" -eq 0 ] && [ -n "$need_sudo" ]; then
+    printf "%s is not writable. Permissions will be requested with sudo.\n" "$need_sudo"
+    use_sudo=1
+fi
+
+SUDOCMD=""
+if [ -n "$need_sudo" ]; then
+    if [ "$use_sudo" -eq 1 ]; then
+        SUDOCMD=sudo
+    else
+        echo "error: '$need_sudo' is not writable."
+        exit 1
+    fi
+fi
+
 # prompt for nightly build option if interactive
 if [ "$nightly" -eq 0 ] && [ "$have_term" -eq 1 ]; then
     printf "do you want to install a Nightly build? [y/N]: "
@@ -145,33 +154,6 @@ version=$(curl -s "https://api.github.com/repos/$repo/releases/latest" | grep '"
 }
 title="$title $version"
 
-if [ "$force_update" -eq 0 ] && [ -e "$install_dir/flow" ]; then
-    current_version=$(flow --version 2>/dev/null | grep version: | cut -f2 -d ' ')
-    if [ "$current_version" = "$version" ]; then
-        echo "flow is up-to-date (version $version @ $install_dir/flow)"
-        exit 0
-    else
-        if [ -n "$current_version" ]; then
-            echo "updating flow from $current_version to $version"
-        fi
-    fi
-fi
-
-if [ "$use_sudo" -eq 0 ] && [ -n "$need_sudo" ]; then
-    printf "%s is not writable. Permissions will be requested with sudo.\n" "$need_sudo"
-    use_sudo=1
-fi
-
-SUDOCMD=""
-if [ -n "$need_sudo" ]; then
-    if [ "$use_sudo" -eq 1 ]; then
-        SUDOCMD=sudo
-    else
-        echo "error: '$need_sudo' is not writable."
-        exit 1
-    fi
-fi
-
 # construct download url
 # note: nightly assets are named like "flow-<version>-<os>-<arch>.<ext>"
 filename="flow-$version-$os-$arch"