diff --git a/lib/domains/abused.txt b/lib/domains/abused.txt
index da0af254e6..c278e41c46 100644
--- a/lib/domains/abused.txt
+++ b/lib/domains/abused.txt
@@ -1401,4 +1401,5 @@ jak.lv
 hpn.edu.vn
 madisoncity.k12.al.us
 mail.fresnostate.edu
-uettaxila.edu.pk
\ No newline at end of file
+uettaxila.edu.pk
+sdu.ac.kr
\ No newline at end of file
diff --git a/lib/domains/kr/ac/sdu.txt b/lib/domains/kr/ac/sdu.txt
deleted file mode 100644
index 915598fc26..0000000000
--- a/lib/domains/kr/ac/sdu.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-서울디지털대학교
-SEOUL DIGITAL UNIVERSITY
\ No newline at end of file