diff --git a/share/timedef/ko_KR.UTF-8.src b/share/timedef/ko_KR.UTF-8.src
index 42c248fe1867..a95b00f13dab 100644
--- a/share/timedef/ko_KR.UTF-8.src
+++ b/share/timedef/ko_KR.UTF-8.src
@@ -71,13 +71,11 @@
 #
 # am
 #
-#오전
-AM
+오전
 #
 # pm
 #
-#오후
-PM
+오후
 #
 # date_fmt
 #
diff --git a/share/timedef/ko_KR.eucKR.src b/share/timedef/ko_KR.eucKR.src
index b8916386d7ee..13336e1946fb 100644
--- a/share/timedef/ko_KR.eucKR.src
+++ b/share/timedef/ko_KR.eucKR.src
@@ -71,13 +71,11 @@
 #
 # am
 #
-#¿ÀÀü
-AM
+¿ÀÀü
 #
 # pm
 #
-#¿ÀÈÄ
-PM
+¿ÀÈÄ
 #
 # date_fmt
 #