diff --git a/scripts/install b/scripts/install
index 59043c6..d0dc75e 100644
--- a/scripts/install
+++ b/scripts/install
@@ -182,9 +182,6 @@ npm install typescript@>=2.0 --save
 npm install ts-node
 popd
 
-#Fix a error in the public page
-ynh_replace_string "res.writeHead(200)" "res.writeHead(200, {\"content-type\": \"text/html\",})" "$final_path/src/distbin-html/public.ts"
-
 chown -R $app:$app $final_path
 
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index 7c8469b..c64c458 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -61,6 +61,10 @@ ynh_remove_nodejs
 # REMOVE APP MAIN DIR
 #=================================================
 
+# remove tmp files
+sudo -u $app rm -rf /tmp/*
+ynh_secure_remove "/var/tmp/*"
+
 # Remove the app directory securely
 ynh_secure_remove "$final_path"
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 79a3781..4d0575a 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -125,9 +125,6 @@ npm install typescript@>=2.0 --save
 npm install ts-node
 popd
 
-#Fix a error in the public page
-ynh_replace_string "res.writeHead(200)" "res.writeHead(200, {\"content-type\": \"text/html\",})" "$final_path/src/distbin-html/public.ts"
-
 ### Verify the checksum of a file, stored by `ynh_store_file_checksum` in the install script.
 ### And create a backup of this file if the checksum is different. So the file will be backed up if the admin had modified it.
 #ynh_backup_if_checksum_is_different "$final_path/CONFIG_FILE"