diff --git a/lib/domains/ir/ac/mrl-spl.txt b/lib/domains/ir/ac/mrl-spl.txt
deleted file mode 100644
index b952092f61..0000000000
--- a/lib/domains/ir/ac/mrl-spl.txt
+++ /dev/null
@@ -1 +0,0 @@
-Mechatronics Research Laboratory, Islamic Azad University, Qazvin