diff --git a/lib/domains/abused.txt b/lib/domains/abused.txt
index bab9a60ce6..e4f826750b 100644
--- a/lib/domains/abused.txt
+++ b/lib/domains/abused.txt
@@ -1391,4 +1391,5 @@ alumnos.cecyteg.edu.mx
 koreatech.ac.kr
 usal.es
 u.tsukuba.ac.jp
-unsaac.edu.pe
\ No newline at end of file
+unsaac.edu.pe
+yrdsb.ca
\ No newline at end of file
diff --git a/lib/domains/ca/yrdsb.txt b/lib/domains/ca/yrdsb.txt
deleted file mode 100644
index 3a6bb619c4..0000000000
--- a/lib/domains/ca/yrdsb.txt
+++ /dev/null
@@ -1 +0,0 @@
-York Region District School Board
diff --git a/lib/domains/kr/ac/seoultech.txt b/lib/domains/kr/ac/seoultech.txt
deleted file mode 100644
index d66d49c4de..0000000000
--- a/lib/domains/kr/ac/seoultech.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-서울과학기술대학교
-Seoul National University of Science and Technology
\ No newline at end of file
diff --git a/lib/domains/stoplist.txt b/lib/domains/stoplist.txt
index 950bdcdcda..b14ed9ddb4 100644
--- a/lib/domains/stoplist.txt
+++ b/lib/domains/stoplist.txt
@@ -542,4 +542,6 @@ hendrix.edu
 psu.edu
 bau.edu.jo
 cantho.edu.vn
-2trom.com
\ No newline at end of file
+2trom.com
+bannsai.com
+office.ptu.ac.kr
\ No newline at end of file