diff --git a/assets/symbols/hill.svg b/assets/symbols/hill.svg
deleted file mode 100644
index ee1e782..0000000
--- a/assets/symbols/hill.svg
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Generator: Moho 13.5 build 20210422 -->
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg version="1.1" id="Frame_0" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="720px" height="720px">
-<g id="gradients">
-</g>
-<g id="BW_gradients">
-<g id="Layer_7">
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-<stop offset="58.04%" style="stop-color:rgb(255,255,255);stop-opacity:1.00" />
-<stop offset="100.00%" style="stop-color:rgb(0,0,0);stop-opacity:1.00" />
-</radialGradient>
-<path id="S1" fill="url(#38ABC70B-4ABE-486A-86D2-D63DD05384E0_0)" fill-rule="evenodd" stroke="#000000" stroke-width="4" stroke-linejoin="round" d="M 699.660 529.830 C 699.660 338.771 548.000 190.170 360.000 190.170 C 172.000 190.170 20.340 317.542 20.340 529.830 C 20.340 529.830 699.592 529.830 699.660 529.830 Z"/>
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