diff --git a/binaries/data/mods/public/art/materials/terrain_norm.xml b/binaries/data/mods/public/art/materials/terrain_norm.xml
deleted file mode 100644
index 726f6cd518..0000000000
--- a/binaries/data/mods/public/art/materials/terrain_norm.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<material>
-  <alternative material="terrain_base.xml" quality="2"/>
-  <required_texture name="baseTex"/>
-  <required_texture name="normTex" define="USE_NORMAL_MAP"/>
-  <shader effect="terrain_base"/>
-  <uniform name="effectSettings" value="1.0 15.0 0.0"/>
-</material>
diff --git a/binaries/data/mods/public/art/materials/terrain_spec.xml b/binaries/data/mods/public/art/materials/terrain_spec.xml
deleted file mode 100644
index 547a2af8fa..0000000000
--- a/binaries/data/mods/public/art/materials/terrain_spec.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<material>
-  <alternative material="terrain_base.xml" quality="2"/>
-  <required_texture name="baseTex"/>
-  <required_texture name="specTex" define="USE_SPECULAR_MAP"/>
-  <shader effect="terrain_base"/>
-  <uniform name="effectSettings" value="1.0 15.0 0.0"/>
-</material>
diff --git a/binaries/data/mods/public/art/materials/terrain_triplanar_norm.xml b/binaries/data/mods/public/art/materials/terrain_triplanar_norm.xml
deleted file mode 100644
index 50ada513f1..0000000000
--- a/binaries/data/mods/public/art/materials/terrain_triplanar_norm.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<material>
-  <alternative material="terrain_triplanar.xml" quality="2"/>
-  <define name="USE_TRIPLANAR" value="1"/>
-  <required_texture name="baseTex"/>
-  <required_texture name="normTex" define="USE_NORMAL_MAP"/>
-  <shader effect="terrain_base"/>
-  <uniform name="effectSettings" value="1.0 15.0 0.0"/>
-</material>