diff --git a/binaries/data/mods/public/art/materials/basic_spec.xml b/binaries/data/mods/public/art/materials/basic_spec.xml
deleted file mode 100644
index 2f8635ca64..0000000000
--- a/binaries/data/mods/public/art/materials/basic_spec.xml
+++ /dev/null
@@ -1,8 +0,0 @@
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diff --git a/binaries/data/mods/public/art/materials/blend_spec.xml b/binaries/data/mods/public/art/materials/blend_spec.xml
deleted file mode 100644
index 4debfa207c..0000000000
--- a/binaries/data/mods/public/art/materials/blend_spec.xml
+++ /dev/null
@@ -1,10 +0,0 @@
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diff --git a/binaries/data/mods/public/art/materials/objectcolor_spec.xml b/binaries/data/mods/public/art/materials/objectcolor_spec.xml
deleted file mode 100644
index 63b8d9beff..0000000000
--- a/binaries/data/mods/public/art/materials/objectcolor_spec.xml
+++ /dev/null
@@ -1,9 +0,0 @@
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diff --git a/binaries/data/mods/public/art/materials/playercolor_spec.xml b/binaries/data/mods/public/art/materials/playercolor_spec.xml
deleted file mode 100644
index fd32141a05..0000000000
--- a/binaries/data/mods/public/art/materials/playercolor_spec.xml
+++ /dev/null
@@ -1,9 +0,0 @@
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