diff --git a/scripts/install b/scripts/install
index 11a984d..2f37431 100755
--- a/scripts/install
+++ b/scripts/install
@@ -55,6 +55,12 @@ pushd $install_dir
 	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH $ynh_npm run build
 popd
 
+# Cleanup after install
+ynh_secure_remove --file="$install_dir/.cache"
+ynh_secure_remove --file="$install_dir/.npm/_cacache"
+ynh_secure_remove --file="$install_dir/node_modules"
+ynh_secure_remove --file="$install_dir/frontend/node_modules"
+
 chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"
 chown -R $app:$app "$install_dir"
diff --git a/scripts/upgrade b/scripts/upgrade
index f84c432..186b1ad 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -43,6 +43,12 @@ chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"
 chown -R $app:$app "$install_dir"
 
+# Cleanup after install
+ynh_secure_remove --file="$install_dir/.cache"
+ynh_secure_remove --file="$install_dir/.npm/_cacache"
+ynh_secure_remove --file="$install_dir/node_modules"
+ynh_secure_remove --file="$install_dir/frontend/node_modules"
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================