diff --git a/src/icons/scalable/actions/udpscope-math-symbolic.svg b/src/icons/scalable/actions/udpscope-math-symbolic.svg
deleted file mode 100644
index 877f7c0..0000000
--- a/src/icons/scalable/actions/udpscope-math-symbolic.svg
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- SPDX-License-Identifier: MIT -->
-<!-- SPDX-FileCopyrightText: 2026 Martino Ferrari -->
-<!-- A sigma: the one pane that computes rather than reads. Four filled subpaths, all
-     wound clockwise so the default nonzero rule unions them where they overlap; the
-     diagonals run from the bars' left ends to a vertex right of centre, which is the
-     way the glyph actually points. -->
-<svg height="16px" width="16px" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg">
-  <path fill="#2e3436" d="M3 2 H13 V4 H3 Z
-                          M3 12 H13 V14 H3 Z
-                          M4.64 2.23 L10.64 7.23 L9.36 8.77 L3.36 3.77 Z
-                          M10.64 8.77 L4.64 13.77 L3.36 12.23 L9.36 7.23 Z"/>
-</svg>
diff --git a/src/icons/udpscope.gresource.xml b/src/icons/udpscope.gresource.xml
index b0386aa..b8e6e77 100644
--- a/src/icons/udpscope.gresource.xml
+++ b/src/icons/udpscope.gresource.xml
@@ -20,7 +20,6 @@
     <file preprocess="xml-stripblanks">scalable/actions/udpscope-trigger-symbolic.svg</file>
     <file preprocess="xml-stripblanks">scalable/actions/udpscope-cursors-symbolic.svg</file>
     <file preprocess="xml-stripblanks">scalable/actions/udpscope-measure-symbolic.svg</file>
-    <file preprocess="xml-stripblanks">scalable/actions/udpscope-math-symbolic.svg</file>
     <file preprocess="xml-stripblanks">scalable/actions/udpscope-events-symbolic.svg</file>
     <file preprocess="xml-stripblanks">scalable/actions/udpscope-resize-rows-symbolic.svg</file>
     <file preprocess="xml-stripblanks">scalable/apps/org.udpscope.app.svg</file>