diff --git a/src/icons/skin/build-icons/icons/collapse-expand.svg b/src/icons/skin/build-icons/icons/collapse-expand.svg
deleted file mode 100644
index c2ff45b1b..000000000
--- a/src/icons/skin/build-icons/icons/collapse-expand.svg
+++ /dev/null
@@ -1,21 +0,0 @@
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