diff --git a/_showcase/cats/cat.md b/_showcase/cats/cat.md
deleted file mode 100644
index 13c2463..0000000
--- a/_showcase/cats/cat.md
+++ /dev/null
@@ -1,9 +0,0 @@
----
-show: true
-width: 3
-date: 2020-01-12 00:01:00 +0800
-group: Cats
----
-<div>
-<img src="{{ 'assets/images/etc/cat1.jpg' | relative_url }}" class="img-fluid rounded-xl" >
-</div>
\ No newline at end of file
diff --git a/_showcase/cats/cat2.md b/_showcase/cats/cat2.md
deleted file mode 100644
index 4f2d16d..0000000
--- a/_showcase/cats/cat2.md
+++ /dev/null
@@ -1,9 +0,0 @@
----
-show: true
-width: 3
-date: 2020-01-12 00:01:00 +0800
-group: Cats
----
-<div>
-    <img data-src="{{ 'assets/images/etc/cat2.jpg' | relative_url }}" class="lazy w-100 rounded-xl" src="{{ '/assets/images/empty_300x200.png' | relative_url }}" data-toggle="tooltip" data-placement="top" title="Caption of this image">
-</div>
diff --git a/_showcase/cats/cat3.md b/_showcase/cats/cat3.md
deleted file mode 100644
index d7b278d..0000000
--- a/_showcase/cats/cat3.md
+++ /dev/null
@@ -1,11 +0,0 @@
----
-show: true
-width: 3
-date: 2020-01-12 00:01:00 +0800
-group: Cats
----
-<div>
-<a href="https://unsplash.com/photos/russian-blue-cat-standing-near-ceramic-vase-with-artificial-flowers-Vv45XEMJWZk" target="_blank">
-    <img data-src="https://images.unsplash.com/photo-1497473376897-16fbb7552478?q=80&w=2970&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D" class="lazy w-100 rounded-xl" src="{{ '/assets/images/empty_300x200.png' | relative_url }}">
-</a>
-</div>
diff --git a/_showcase/cats/cat4.md b/_showcase/cats/cat4.md
deleted file mode 100644
index b91c82e..0000000
--- a/_showcase/cats/cat4.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-show: true
-width: 3
-date: 2020-01-10 00:01:00 +0800
-group: Cats
----
-<div>
-  <img data-src="https://images.unsplash.com/photo-1536070800722-f1a29a336bc7?q=80&w=2970&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D" class="lazy w-100 rounded-xl-top" src="{{ '/assets/images/empty_300x200.png' | relative_url }}">
-  <div class="card-body">
-    <p class="card-text">
-      Meow! I am a cat. <a href="https://unsplash.com/photos/russian-blue-cat-in-close-up-photography-1pjqSWDcgwo" target="_blank">Unsplash</a>
-    </p>
-  </div>
-</div>
diff --git a/_showcase/cats/cat_lazyload.md b/_showcase/cats/cat_lazyload.md
deleted file mode 100644
index 2135fa2..0000000
--- a/_showcase/cats/cat_lazyload.md
+++ /dev/null
@@ -1,10 +0,0 @@
----
-show: true
-width: 3
-date: 2019-01-12 00:01:00 +0800
-group: Cats
----
-<div>
-    <img data-src="{{ site.data.profile.portrait_url | relative_url }}" class="lazy w-100 rounded-xl" src="{{ '/assets/images/empty_300x200.png' | relative_url }}">
-</div>
-