diff --git a/package.json b/package.json
index 3605cc5c2..c4d8d36e9 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,8 @@
   "author": "vn7 <vn7n24fzkq@gmail.com>",
   "license": "MIT",
   "dependencies": {
-    "axios": "^0.19.2"
+    "axios": "^0.19.2",
+    "d3": "^5.16.0",
+    "dotenv": "^8.2.0"
   }
 }
diff --git a/src/templates/card.js b/src/templates/card.js
deleted file mode 100644
index e322e6837..000000000
--- a/src/templates/card.js
+++ /dev/null
@@ -1,65 +0,0 @@
-const Theme = require("../const/theme");
-
-class Card {
-  constructor(
-    title = "Title",
-    width = 320,
-    height = 180,
-    theme = Theme.default
-  ) {
-    this.title = title;
-    this.paddingX = 20;
-    this.paddingY = 30;
-    this.theme = theme;
-    this.width = width;
-    this.height = height;
-  }
-
-  getContentSVG() {
-    return "";
-  }
-
-  getSVG() {
-    return `
-      <svg
-        height= "${this.height}"
-        width= "${this.width}"
-        viewBox="0 0 ${this.width} ${this.height}"
-        fill="none"
-        xmlns="http://www.w3.org/2000/svg"
-      >
-      <style>
-      ${this.theme}
-      </style>
-      
-      <rect
-        data-testid="card-bg"
-        rx="4.0"
-        ry="4.0"
-        height="100%"
-        stroke="#E4E2E2"
-        fill="#006600"
-        stroke-opacity="1"
-        />
-
-      <g
-        data-testid="card-title"
-        transform="translate(${this.paddingX}, ${this.paddingY})"
-      >
-      <text
-        class="card-title"
-        data-testid="card-title"
-      >
-      ${this.title}
-      </text>
-      </g>
-        <g
-          data-testid="card-content"
-        >
-        </g>
-      </svg>
-          `;
-  }
-}
-
-module.exports = Card;
diff --git a/src/templates/top-lang-card.js b/src/templates/top-lang-card.js
deleted file mode 100644
index eeca4d355..000000000
--- a/src/templates/top-lang-card.js
+++ /dev/null
@@ -1,21 +0,0 @@
-const Theme = require("../const/theme");
-const Card = require("./card");
-
-class TopLangCard extends Card {
-  constructor(
-    username,
-    title = "TopLangCard",
-    width = 320,
-    height = 180,
-    theme = Theme.default
-  ) {
-    super(title, width, height, theme);
-    this.username = username;
-  }
-  getContentSVG() {
-    return `
-        `;
-  }
-}
-
-module.exports = TopLangCard;