diff --git a/python/nav/web/alertprofiles/forms.py b/python/nav/web/alertprofiles/forms.py
index a5a689bf49..3c8090eace 100644
--- a/python/nav/web/alertprofiles/forms.py
+++ b/python/nav/web/alertprofiles/forms.py
@@ -23,9 +23,6 @@
 from django import forms
 from django.db.models import Q
 
-from crispy_forms.helper import FormHelper
-from crispy_forms_foundation.layout import Layout, Row, Column, Field, Submit
-
 from nav.alertengine.dispatchers.email_dispatcher import Email
 from nav.alertengine.dispatchers.slack_dispatcher import Slack
 from nav.alertengine.dispatchers.sms_dispatcher import Sms
@@ -38,6 +35,7 @@
     FormRow,
     FormColumn,
     HelpFormField,
+    SubmitField,
 )
 
 _ = lambda a: a  # gettext variable (for future implementations)
@@ -174,24 +172,31 @@ class TimePeriodForm(forms.ModelForm):
 
     def __init__(self, *args, **kwargs):
         super(TimePeriodForm, self).__init__(*args, **kwargs)
-        self.helper = FormHelper()
         submit_text = 'Add'
 
         if self.instance and self.instance.id:
             self.fields['valid_during'].widget.attrs['disabled'] = 'disabled'
             submit_text = 'Save'
 
-        self.helper.form_tag = False
-        self.helper.layout = Layout(
-            'id',
-            'profile',
-            Row(
-                Column('start', css_class='medium-6'),
-                Column(
-                    Field('valid_during', css_class='select2'), css_class='medium-6'
+        self.fields['valid_during'].widget.attrs.update({"class": "select2"})
+        self.attrs = set_flat_form_attributes(
+            form_fields=[
+                self['id'],
+                self['profile'],
+                FormRow(
+                    fields=[
+                        FormColumn(
+                            fields=[self['start']],
+                            css_classes='medium-6',
+                        ),
+                        FormColumn(
+                            fields=[self['valid_during']],
+                            css_classes='medium-6',
+                        ),
+                    ]
                 ),
-            ),
-            Submit('submit', submit_text, css_class='small'),
+                SubmitField(value=submit_text, css_classes='small'),
+            ]
         )
 
     class Meta(object):
diff --git a/python/nav/web/templates/alertprofiles/timeperiod_edit.html b/python/nav/web/templates/alertprofiles/timeperiod_edit.html
index 96503758bc..6fc7c471f9 100644
--- a/python/nav/web/templates/alertprofiles/timeperiod_edit.html
+++ b/python/nav/web/templates/alertprofiles/timeperiod_edit.html
@@ -1,10 +1,13 @@
 {% extends "alertprofiles/base.html" %}
-{% load crispy_forms_tags %}
 
 {% block tabcontent %}
 
 <form action="{% url 'alertprofiles-profile-timeperiod-add' %}" method="post">
     <input type="hidden" name="valid_during" value="{{ time_period.valid_during }}" />
-    {% crispy time_period_form %}
+    {% if time_period_form.attrs %}
+        {% include 'custom_crispy_templates/_form_content.html' with form=time_period_form %}
+    {% else %}
+        {{ time_period_form }}
+    {% endif %}
 </form>
 {% endblock %}
diff --git a/python/nav/web/templates/alertprofiles/timeperiod_form.html b/python/nav/web/templates/alertprofiles/timeperiod_form.html
index aef8f59aba..3ce021324b 100644
--- a/python/nav/web/templates/alertprofiles/timeperiod_form.html
+++ b/python/nav/web/templates/alertprofiles/timeperiod_form.html
@@ -1,10 +1,11 @@
-{% load crispy_forms_tags %}
-
 {% if time_period %}
     <h4>Edit time period</h4>
 {% else %}
     <h4>Add new time period</h4>
 {% endif %}
 
-{% crispy time_period_form %}
-
+{% if time_period_form.attrs %}
+    {% include 'custom_crispy_templates/_form_content.html' with form=time_period_form %}
+{% else %}
+    {{ time_period_form }}
+{% endif %}