diff --git a/app/Middleware/ConvertEmptyStringsToNull.js b/app/Middleware/ConvertEmptyStringsToNull.js
new file mode 100644
index 0000000..a5750cc
--- /dev/null
+++ b/app/Middleware/ConvertEmptyStringsToNull.js
@@ -0,0 +1,17 @@
+'use strict'
+
+class ConvertEmptyStringsToNull {
+  async handle ({ request }, next) {
+    if (Object.keys(request.body).length) {
+      request.body = Object.assign(
+        ...Object.keys(request.body).map(key => ({
+          [key]: request.body[key] !== '' ? request.body[key] : null
+        }))
+      )
+    }
+
+    await next()
+  }
+}
+
+module.exports = ConvertEmptyStringsToNull
diff --git a/app/Models/Traits/NoTimestamp.js b/app/Models/Traits/NoTimestamp.js
new file mode 100644
index 0000000..45f210e
--- /dev/null
+++ b/app/Models/Traits/NoTimestamp.js
@@ -0,0 +1,15 @@
+'use strict'
+
+class NoTimestamp {
+  register (Model) {
+    Object.defineProperties(Model, 'createdAtColumn', {
+      get () { return null }
+    })
+
+    Object.defineProperties(Model, 'updatedAtColumn', {
+      get () { return null }
+    })
+  }
+}
+
+module.exports = NoTimestamp
diff --git a/start/kernel.js b/start/kernel.js
index cba76b4..b4f2720 100644
--- a/start/kernel.js
+++ b/start/kernel.js
@@ -16,7 +16,8 @@ const globalMiddleware = [
   'Adonis/Middleware/BodyParser',
   'Adonis/Middleware/Session',
   'Adonis/Middleware/Shield',
-  'Adonis/Middleware/AuthInit'
+  'Adonis/Middleware/AuthInit',
+  'App/Middleware/ConvertEmptyStringsToNull',
 ]
 
 /*