diff --git a/public/assets/tools-dark.png b/public/assets/tools-dark.png
deleted file mode 100644
index 4f201e1b..00000000
Binary files a/public/assets/tools-dark.png and /dev/null differ
diff --git a/public/assets/tools-light.png b/public/assets/tools-light.png
deleted file mode 100644
index 6e42864e..00000000
Binary files a/public/assets/tools-light.png and /dev/null differ
diff --git a/src/elements/tool.ts b/src/elements/tool.ts
index 2ca83f1a..67272cbe 100644
--- a/src/elements/tool.ts
+++ b/src/elements/tool.ts
@@ -32,14 +32,14 @@ export class Tool extends LitElement {
         display: inline-block;
         width: 16px;
         height: 16px;
-        background-image: url('assets/tools-light.png');
+        background-image: url('data:image/png;base64,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');
         background-repeat: no-repeat;
         margin: 2px;
       }
 
       @media (prefers-color-scheme: dark) {
         div.tool {
-          background-image: url('assets/tools-dark.png');
+          background-image: url('data:image/png;base64,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');
         }
       }