Open Themes section on the admin panel of your web store (Online Store → Themes);
Find Theme from the list which will be used with our installed app.
Click Actions → Edit Code.
Find theme.liquid file under Layout section remove the block which starts from the line:
<!-- spurit_sct-added →
-
{% render 'spurit_sct_theme
-_snippet' %}
and finishes the line:
<!-- /spurit_sct-added -->
...