diff --git a/install_and_cache_pkgs.sh b/install_and_cache_pkgs.sh
index a35971f..fca07bb 100755
--- a/install_and_cache_pkgs.sh
+++ b/install_and_cache_pkgs.sh
@@ -29,7 +29,7 @@ fi
 
 log "Updating APT package list..."
 if [[ -z "$(find -H /var/lib/apt/lists -maxdepth 0 -mmin -5)" ]]; then
-  sudo apt-fast update > /dev/null
+  apt-fast update > /dev/null
   log "done"
 else
   log "skipped (fresh within at least 5 minutes)"
@@ -62,7 +62,7 @@ install_log_filepath="${cache_dir}/install.log"
 
 log "Clean installing ${package_count} packages..."
 # Zero interaction while installing or upgrading the system via apt.
-sudo DEBIAN_FRONTEND=noninteractive apt-fast --yes install ${packages} > "${install_log_filepath}"
+DEBIAN_FRONTEND=noninteractive apt-fast --yes install ${packages} > "${install_log_filepath}"
 log "done"
 log "Installation log written to ${install_log_filepath}"
 
@@ -94,7 +94,7 @@ for installed_package in ${installed_packages}; do
       while IFS= read -r f; do test -f "${f}" -o -L "${f}" && get_tar_relpath "${f}"; done |
       # Single quotes ensure literals like backslash get captured. Use \0 to avoid field separation.   
       awk -F"\0" '{print "\x27"$1"\x27"}' |
-      sudo xargs tar -cf "${cache_filepath}" -C /
+      xargs tar -cf "${cache_filepath}" -C /
 
     log "    done (compressed size $(du -h "${cache_filepath}" | cut -f1))."
   fi
diff --git a/lib.sh b/lib.sh
index 6ac2f22..80c9c06 100755
--- a/lib.sh
+++ b/lib.sh
@@ -24,7 +24,7 @@ function execute_install_script {
     log "- Executing ${install_script_filepath}..."
     # Don't abort on errors; dpkg-trigger will error normally since it is
     # outside its run environment.
-    sudo sh -x ${install_script_filepath} ${4} || true
+    sh -x ${install_script_filepath} ${4} || true
     log "  done"
   fi
 }
diff --git a/restore_pkgs.sh b/restore_pkgs.sh
index 418f9f0..83ef315 100755
--- a/restore_pkgs.sh
+++ b/restore_pkgs.sh
@@ -47,7 +47,7 @@ log "Restoring ${cached_filecount} packages from cache..."
 for cached_filepath in ${cached_filepaths}; do
 
   log "- $(basename "${cached_filepath}") restoring..."
-  sudo tar -xf "${cached_filepath}" -C "${cache_restore_root}" > /dev/null
+  
   log "  done"
 
   # Execute install scripts if available.