diff --git a/src/main/assets/Head4.mtl b/src/main/assets/Head4.mtl
deleted file mode 100644
index 72ff485..0000000
--- a/src/main/assets/Head4.mtl
+++ /dev/null
@@ -1,44 +0,0 @@
-# Created by Metasequoia
-
-newmtl mat1
-Ka 0.32471 0.41647 0.48000
-Kd 0.43294 0.55529 0.64000
-Ks 0.00000 0.00000 0.00000
-Ns 5.00000
-
-newmtl mat2
-Ka 0.48000 0.31294 0.38353
-Kd 0.64000 0.41725 0.51137
-Ks 0.00000 0.00000 0.00000
-Ns 5.00000
-
-newmtl mat3
-Ka 0.00000 0.00000 0.00000
-Kd 0.00000 0.00000 0.00000
-Ks 0.00000 0.00000 0.00000
-Ns 5.00000
-
-newmtl mat4
-Ka 0.48000 0.48000 0.48000
-Kd 0.64000 0.64000 0.64000
-Ks 0.00000 0.00000 0.00000
-Ns 5.00000
-
-newmtl mat5
-Ka 0.32471 0.41647 0.48000
-Kd 0.43294 0.55529 0.64000
-Ks 0.00000 0.00000 0.00000
-Ns 5.00000
-
-newmtl mat6
-Ka 0.48000 0.48000 0.48000
-Kd 0.64000 0.64000 0.64000
-Ks 0.00000 0.00000 0.00000
-Ns 5.00000
-
-newmtl mat7
-Ka 0.11497 0.18888 0.27922
-Kd 0.26353 0.43294 0.64000
-Ks 0.00000 0.00000 0.00000
-Ns 5.00000
-